-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| TRIGONOMETRIC PARALLAXES PUBLISHED SINCE THE YALE PARALLAX CATALOG (1995) AND HIPPARCOS RESULTS (1997) last updated: 2012.0110 -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| Status = relating to inclusion in RECONS 25 Parsec Database yes has been included no has not been included pend pending prob there is a problem ??? possibly done, but not confirmed -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| GROUND-BASED TRIGONOMETRIC PARALLAXES -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| Status ref # pi* first author year program reference paper title -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| yes Gat93** 2 Gatewood, G. 1993 Allegheny 1993PASP..105.1101G One-milliarsecond precision parallax studies in the regions of Delta Cephei and EV Lacertae (YPC missed this paper) ??? Gat95a 1 Gatewood, G. 1995 Allegheny 1995AJ....109..434G Astrometric Studies in the Region of Algol ??? Gat95b 8 Gatewood, G. 1995 Allegheny 1995ApJ...445..712G Map-Based Trigonometric Parallaxes of Open Clusters: Coma ??? Gat95c 3 Gatewood, G. 1995 Allegheny 1995ApJ...450..364G Map-Based Trigonometric Parallaxes of Altair & Vega ??? Gat95d 1 Gatewood, G. 1995 Allegheny 1995AJ....110.1860G A Map-Based Study of ADS 14893 ??? Ian95 1 Ianna, P.A. 1995 Virginia 1995ApJ...441L..47I The Brown Dwarf Candidate ESO207-61: Its Distance and Very Low Luminosity ??? Tin95 18 Tinney, C.G. 1995 1995AJ....110.3014T Trigonometric Parallaxes and the HR Diagram at the Bottom of the Main Sequence pend Cam96 1 Campbell, R.M. 1996 1996ApJ...461L..95C VLBI-Derived Trigonometric Parallax and Proper Motion of PSR B2021+51 prob Ian96 32 Ianna, P.A. 1996 Virginia 1996AJ....111..492I Parallaxes and Proper Motions from the McCormick Observatory (no absolute pi+pierr, just relative and correction) ??? Tin96 13 Tinney, C.G. 1996 1996MNRAS.281..644T CCD Astrometry of Southern Very Low-Mass Stars ??? Bra97 1 Bradshaw, C.F. 1997 1997ApJ...484L..55B The Distance and Milliarcsecond Radio Structure of SCO X-1 yes Gui97 2 Guirado, J.C. 1997 1997ApJ...490..835G Astrometric Detection of a Low-Mass Companion Orbiting the Star AB Doradus (also a Hipparcos re-reduction) yes Hen97 1 Henry, T.J. 1997 Virginia 1997AJ....114..388H TSN04: Discovery of the Twentieth Nearest Star System yes Lee97 4 Lee, J.T. 1997 Yale 1997BaltA...6...19L A parallax study of four white dwarf members of the Hyades yes Sha97 1 Shakht, N.A. 1997 Pulkovo 1997A&AT...13..327S A study of the motion of the star Gliese 623 with a low-mass dark companion on the basis of observations at Pulkovo ??? Duc98 8 Ducourant, C. 1998 1998A&A...333..882D Wide Field Search for Nearby Faint Stars (plus 13 zero parallaxes) ??? Gat98 63: Gatewood, G. 1998 Allegheny 1998AJ....116.1501G Correlation of the Hipparcos and Allegheny Observatory Parallax Catalogs (note: many duplicates to other Gatewood papers) ??? Har98 3 Harris, H.C. 1998 USNO 1998ApJ...502..437H Astrometry & Photometry for Two Dwarf Carbon Stars ??? Haw98 6 Hawkins, M.R.S. 1998 1998MNRAS.294..505H A New Population of Brown Dwarfs ??? Bra99 1 Bradshaw, C.F. 1999 1999ApJ...512L.121B High-Resolution Parallax Measurements of Scorpius X-1 ??? Fom99 2 Fomalont, E.B. 1999 1999AJ....117.3025F Sub-Milliarcsecond Precision of Pulsar Motions: Using In-Beam Calibrators with the VLBA ??? Gut99 3 Gutierrez-Moreno, A. 1999 1999PASP..111.1163G Trigonometric Distances of Planetary Nebulae ??? Ham99 1 Hambly, N.C. 1999 1999MNRAS.309L..33H On the parallax of WD 0346++246: a halo white dwarf candidate ??? Har99 3 Harris, H.C. 1999 USNO 1999AJ....117..339H Astrometry & Photometry for Brown Dwarf Candidates in the Hyades ??? Les99 11 Lestrade, J.F. 1999 1999A&A...344.1014L High Precision VLBI Astrometry of Radio-Emitting Stars ??? Wei99 48 Weis, E.W. 1999 Yale 1999AJ....117.1037W Parallaxes & Proper Motions XX ??? Bri00 1 Brisken, Walter F. 2000 2000ApJ...541..959B Measurement of the Parallax of PSR B0950+08 Using the VLBA ??? Gat00 7 Gatewood, G. 2000 Allegheny 2000ApJ...533..938G The Pleiades, Map-Based Trigonometric Parallaxes of Open Clusters V ??? Gir00 1 Girard, T.M. 2000 2000AJ....119.2428G A Redetermination of the Mass of Procyon (also Hipparcos rereduction) pend Cha01 1 Chatterjee, S. 2001 VLBA 2001ApJ...550..287C Parallax and Kinematics of PSR B0919+06 from VLBA Astrometry and Interstellar Scintillometry ??? Dea01 1 Deacon, N.R. 2001 2001A&A...380..148D The Trigonometric Parallax of DENIS-P J104814.7-395606.1 yes Gir00 1 Girard, T.M. 2000 Hipparcos 2000AJ....119.2428G A Redetermination of the Mass of Procyon (also ground-based rereduction) (rederived Hipparcos parallax but did not publish or use) yes Gat01 1 Gatewood, G. 2001 Allegheny 2001ApJ...549.1145G Hipparcos and MAP Studies of the Triple Star pi Cephei (also Hipparcos rereduction) ??? Dah02 28 Dahn, C.C. 2002 USNO 2002AJ....124.1170D Astrometry and Photometry for Cool Dwarfs & Brown Dwarfs ??? Han02 1 Han, I. 2002 Allegheny 2002PASP..114..224H A Precise Orbit Determination of Chi Orionis from Astrometric & Radial Velocity Data ??? Gat03 1 Gatewood, G. 2003 Allegheny 2003AJ....125.1530G An Astrometric Study of the Low-Mass Binary Star Ross 614 ??? Rei03 1 Reid, I.N. 2003 USNO 2003AJ....125..354R Meeting the Cool Neighbors IV: 2MASS 1835+32 A Newly Discovered M8.5 Dwarf within 6 Parsecs of the Sun ??? Sma03 6 Smart, R.L. 2003 Torino 2003A&A...404..317S The Torino Observatory Parallax Program: White Dwarf candidates yes Tee03 1 Teegarden, B.J. 2003 2003ApJ...589L..51T Discovery of a New Nearby Star ??? Tho03a 1 Thorstensen, J.R. 2003 Dartmouth 2003PASP..115.1207T Serendipitous Discovery & Parallax of a Nearby L Dwarf ??? Tho03b 20 Thorstensen, J.R. 2003 Dartmouth 2003AJ....126.3017T Parallax and Distance Estimates for 14 Cataclysmic Variable Stars pend Vle03 4 Vlemmings, W.H.T. 2003 VLBA 2003A&A...407..213V VLBI astrometry of circumstellar OH masers: Proper motions and parallaxes of four AGB stars pend Cha04 3 Chatterjee, S. 2004 VLBA 2004ApJ...604..339C Pulsar Parallaxes at 5 GHz with the Very Long Baseline Array ??? Dah04 1 Dahn, C.C. 2004 USNO 2004ApJ...605..400D Analysis of a Very Massive DA White Dwarf via the Trigonometric Parallax and Spectroscopic Methods ??? Loh04 1 Lohmer, O. 2004 2004A&A...426..631L The Parallax, Mass, & Age of the PSR J2145-0750 Binary System ??? Pra04 1 Pravdo, S.H. 2004 STEPS 2004ApJ...617.1323P Astrometric Discovery of GJ 164B ??? Vrb04 40 Vrba, F.J. 2004 USNO 2004AJ....127.2948V Preliminary Parallaxes of 40 L and T Dwarfs from the USNO Infrared Astrometry Program ??? Cha05 1 Chatterjee, S. 2005 VLBA 2005ApJ...630L..61C Getting Its Kicks: A VLBA Parallax for the Hyperfast Pulsar B1508+55 yes Cos05 31 Costa, E. 2005 RECONS 2005AJ....130..337C TSN14: Parallax Results from the CTIOPI 1.5 Meter Program: First Results ??? Dea05a 1 Deacon, N.R. 2005 2005A&A...435..363D Southern infrared proper motion survey. I. Discovery of new high proper motion stars from first full hemisphere scan yes Dea05b 1 Deacon, N.R. 2005 2005AJ....129..409D The Solar Neighborhood. XI. The Trigonometric Parallax of SCR 1845-6357 yes Gat05 1 Gatewood, G. 2005 Allegheny 2005AJ....130..809G An Astrometric Study of the Binary Star alpha Ophiuchi (also revised HIPPARCOS parallax, see Space-Based) yes Kur05 1 Kurayama, T. 2005 VLBI 2005ApJ...627L..49K Parallax Measurements of the Mira-Type Star UX Cygni with Phase-referencing VLBI yes Jao05 46 Jao, W.C. 2005 RECONS 2005AJ....129.1954J TSN13: Parallax Results from the CTIOPI 0.9 Meter Program: Stars with mu > 1.00"/yr (MOTION Sample) ??? Loi05 1 Loinard, L. 2005 2005ApJ...619L.179L Multiepoch VLBA Observations of T Tauri South ??? Spl05 1 Splaver, E.M. 2005 2005ApJ...620..405S Masses, Parallax, & Relativistic Timing of the PSR J1713+0747 Binary System yes Cos06 31 Costa, E. 2006 RECONS 2006AJ....132.1234C TSN16: Parallaxes from CTIOPI: Final Results from the 1.5m Telescope Program ??? Gat06 1 Gatewood, G. 2006 Allegheny 2006AJ....131.1015G An Astrometric Study of Procyon pend Hac06 1 Hachisuka, K. 2006 2006ApJ...645..337H Water Maser Motions in W3(OH) and a Determination of Its Distance yes Hen06 27 Henry, T.J. 2006 RECONS 2006AJ....132.2360H TSN17: Parallax Results from the CTIOPI 0.9m Program: 20 New Members of the RECONS 10 Parsec Sample ??? Lom06 1 Lommen, A.N. 2006 2006ApJ...642.1012L The Parallax & Proper Motion of PSR J0030+0451 yes Pra06 2 Pravdo, S.H. 2006 STEPS 2006ApJ...649..389P Masses of Astrometrically Discovered and Imaged Binaries: G 78-28AB and GJ 231.1BC ??? Bil07 2 Biller, B.A. 2007 2007ApJ...669L..41B A Direct Distance and Luminosity Determination for a Self-luminous Giant Exoplanet: The Trigonometric Parallax to 2MASSW J1207334-393254Ab ??? Duc07 15 Ducourant, C. 2007 Ducourant 2007A&A...470..387D Trigonometric Parallaxes of High Velocity Halo White Dwarf Candidates yes Giz07 1 Gizis, J.E. 2007 RECONS 2007ApJ...669L..45G The Trigonometric Parallax of the Brown Dwarf Planetary System 2MASSW J1207334-393254 ??? Har07 19 Harris, H.C. 2007 USNO 2007AJ....133..631H Trigonometric Parallaxes of Central Stars of Planetary Nebulae ??? Hon07 1 Honma, M. 2007 2007PASJ...59..889H Astrometry of Galactic Star-Forming Region Sharpless 269 with VERA: Parallax Measurements and Constraint on Outer Rotation Curve yes Mak07b 1 Makarov, V.V. 2007 USNO 2007ApJ...668L.155M The Nearby Young Visual Binary HIP115147 and Its Common Proper Motion Companion LSPM J2322+7847 (Not Hipparcos, despite being by Makarov) ??? Men07 3 Menten, K.M. 2007 2007A&A...474..515M The Distance to the Orion Nebula ??? San07 1 Sandstrom, K.M. 2007 2007ApJ...667.1161S A Parallactic Distance of 389+24-21 Parsecs to the Orion Nebula Cluster from Very Long Baseline Array Observations yes Sma07 22 Smart, R.L. 2007 Torino 2007A&A...464..787S Nearby star candidates in the Torino observatory parallax program ??? Tor07 1 Torres, G. 2007 2007ApJ...654.1095T The Planet Host Star gamma Cephei: Physical Properties, the Binary Orbit, and the Mass of the Substellar Companion ??? Bar08 1 Bartkiewicz, A. 2008 VLBA 2008A&A...490..787B The nature of the methanol maser ring G23.657-00.127. I. The distance through trigonometric parallax measurements ??? Bur08a 1 Burgasser, A.J. 2008 USNO 2008ApJ...672.1159B Parallax and Luminosity Measurements of an L Subdwarf ??? Bur08b 1 Burgasser, A.J. 2008 2008ApJ...689L..53B 2MASS J09393548-2448279: The Coldest and Least Luminous Brown Dwarf Binary Known? ??? Cho08 1 Choi, Y. 2008 VERA 2008PASJ...60.1007C Distance to VY Canis Majoris with VERA ??? Dah08 2 Dahn, C.C. 2008 USNO 2008ApJ...686..548D Trigonometric Parallaxes for Two Late-Type Subdwarfs: LSR 1425+71 (sdM8.0) and the Binary LSR 1610-00 (sd?M6pec) pend Del08 1 Deller, A.T. 2008 VLBI 2008ApJ...685L..67D Extremely High Precision VLBI Astrometry of PSR J0437-4715 and Implications for Theories of Gravity ??? Duc08 1 Ducourant, C. 2008 Ducourant 2008A&A...477L...1D An Accurate Distance to 2M1207Ab ??? Gat08 13: Gatewood, G. 2008 Allegheny 2008AJ....136..452G Astrometric Studies of Aldebaran, Arcturus, Vega, The Hyades, and Other Regions (ref stars not included in counts here) pend Hir08 1 Hirota, T. 2008 VERA 2008PASJ...60..961H Astrometry of H_2O Masers in Nearby Star-Forming Regions with VERA. III. IRAS 22198+6336 in L1204G ??? Kil08 1 Kilic, Mukremin 2008 2008ApJ...689L..45K Direct Distance Measurement to the Dusty White Dwarf GD 362 ??? Kim08 1 Kim, Mi Kyoung 2008 VERA 2008PASJ...60..991K SiO Maser Observations toward Orion-KL with VERA ??? Loi08 2 Loinard, L. 2008 VLBA 2008ApJ...675L..29L A Preliminary VLBA Distance to the Core of Ophiuchus, with an Accuracy of 4% pend Nak08 1 Nakagawa, A. 2008 VERA 2008PASJ...60.1013N VLBI Astrometry of AGB Variables with VERA -- A Semiregular Variable S Crateris ??? Neu08 2 Neuhauser, Ralph 2008 2008A&A...484..281N Astrometric and photometric monitoring of GQ Lupi and its sub-stellar companion ??? Sat08 1 Sato, Mayumi 2008 VERA 2008PASJ...60..975S Distance to NGC 281 in a Galactic Fragmenting Superbubble: Parallax Measurements with VERA ??? Tei08 1 Teixeira, R. 2008 Ducourant 2008A&A...489..825T SSSPM J1102-3431 Brown Dwarf Characterization from Accurate Proper Motion and Trigonometric Parallax ??? Tho08 12 Thorstensen, J.R. 2008 Dartmouth 2008AJ....136.2107T Parallax and Distance Estimates for Twelve Cataclysmic Variable Stars ??? Bru09 2 Brunthaler, A. 2009 2009ApJ...693..424B Trigonometric Parallaxes of Massive Star Forming Regions: V. G23.01-0.41 and G23.44-0.18 pend Cha09 14 Chatterjee, S. 2009 2009ApJ...698..250C Precision Astrometry with the Very Long Baseline Array: Parallaxes and Proper Motions for 14 Pulsars pend Del09a 1 Deller, A.T. 2009 VLBI 2009ApJ...690..198D Precision Southern Hemisphere Pulsar VLBI Astrometry: Techniques and Results for PSR J1559-4438 pend Del09b 7 Deller, A.T. 2009 VLBI 2009ApJ...701.1243D Precision Southern Hemisphere VLBI Pulsar Astrometry. II. Measurement of Seven Parallaxes ??? Gat09 21 Gatewood, G. 2009 Allegheny 2009AJ....137..402G Allegheny Observatory Parallaxes for Late M Dwarfs and White Dwarfs ??? Lep09 18 Lepine, S. 2009 Dartmouth 2009AJ....137.4109L New Neighbors: Parallaxes of 18 Nearby Stars Selected from the LSPM-North Catalog yes Mar09 1 Martinache, F. 2009 2009ApJ...695.1183M Visual Orbit of the Low-Mass Binary GJ 164 AB ??? Mil09 1 Miller-Jones J.C.A. 2009 2009ApJ...706L.230M The First Accurate Parallax Distance to a Black Hole pend Moe09 1 Moellenbrock, G.A. 2009 VLBA 2009ApJ...694..192M A Precise Distance to IRAS 00420+5530 via H2O Maser Parallax with the VLBA (annual) ??? Mos09 2 Moscadelli, L. 2009 2009ApJ...693..406M Trigonometric Parallaxes of Massive Star-Forming Regions. II. Cep A and NGC 7538 ??? Pra09 4 Pravdo, S.H. 2009 STEPS 2009ApJ...700..623P An Ultracool Star's Candidate Planet ??? Rei09c 2 Reid, M.J. 2009 2009ApJ...705.1548R A Trigonometric Parallax of Sgr B2 ??? Rei09b 18 Reid, M.J. 2009 2009ApJ...700..137R Trigonometric Parallaxes of Massive Star Forming Regions:VI. Galactic Structure, Fundamental Parameters, and Noncircular Motions ??? Rei09a 2 Reid, M.J. 2009 2009ApJ...693..397R Trigonometric Parallaxes of Massive Star-Forming Regions. I. S 252 & G232.6+1.0 ??? San09 1 Sanna, A. 2009 2009ApJ...706..464S Trigonometric Parallaxes of Massive Star-Forming Regions. VII. G9.62+0.20 and the Expanding 3 kpc ARM ??? Sch09 10 Schilbach, E. 2009 2009A&A...493L..27S Trigonometric Parallaxes of Ten Ultracool Subdwarfs yes Sub09 32 Subasavage, J.P. 2009 RECONS 2009AJ....137.4547S TSN21: Parallax Results from the CTIOPI 0.9m Program: 20 New Members of the 25 Parsec White Dwarf Sample ??? Tei09 1 Teixeira, R. 2009 Ducourant 2009A&A...503..281T Kinematic Analysis and Membership Status of TWA 22AB ??? Tor09 1 Torres, Rosa M. 2009 VLBA 2009ApJ...698..242T VLBA Determination of the Distance to Nearby Star-Forming Regions. III. HP TAU/G2 and the Three-Dimensional Structure of Taurus ??? Xu_09 2 Xu, Y. 2009 2009ApJ...693..413X Trigonometric Parallaxes of Massive Star-Forming Regions: III. G59.7+0.1 and W 51 IRS2 ??? Zha09 2 Zhang, B. 2009 2009ApJ...693..419Z Trigonometric Parallaxes of Massive Star-Forming Regions. IV. G35.20-0.74 and G35.20-1.74 ??? Art10 1 Artigau, Etienne 2010 2010ApJ...718L..38A DENIS J081730.0-615520: An Overlooked Mid-T Dwarf in the Solar Neighborhood pend Asa10 1 Asaki, Y. 2010 VLBA 2010ApJ...721..267A Distance and Proper Motion Measurement of the Red Supergiant, S Persei, with VLBI H2O Maser Astrometry ??? Dzi10 1 Dzib, Sergio 2010 VLBA 2010ApJ...718..610D VLBA Determination of the Distance to Nearby Star-forming Regions. IV. A Preliminary Distance to the Proto-Herbig AeBe Star EC 95 in the Serpens Core prob Khr10 29 Khrutskaya, E.V. 2010 2010AstL...36..576K Trigonometric parallaxes of 29 stars with large proper motions (no absolute pierr, apparently assumed to = relative pierr) ??? Luc10 1 Lucas, P.W. 2010 2010MNRAS.408L..56L The discovery of a very cool, very nearby brown dwarf in the Galactic plane ??? Mar10 11 Marocco, F. 2010 Torino 2010A&A...524A..38M Parallaxes and physical properties of 11 mid-to-late T dwarfs yes Rie10 67 Riedel, A.R. 2010 RECONS 2010AJ....140..897R TSN22: Parallax Results from the CTIOPI 0.9m Program: Trigonometric Parallaxes of 64 Nearby Systems with 0.5"/yr < mu < 1.0"/yr (SLOWMO Sample) ??? Ryg10 5: Rygl, K.L.J. 2010 VLBI 2010A&A...511A...2R Trigonometric Parallaxes of 6.7 GHz Methanol Masers ??? Sat10a 1 Sato, Mayumi 2010 VERA 2010PASJ...62..287S Distance to G14.33-0.64 in the Sagittarius Spiral Arm: H2O Maser Trigonometric Parallax with VERA ??? Sat10b 1 Sato, M. 2010 2010ApJ...720.1055S Trigonometric Parallax of W51 Main/South ??? Sma10a 1: Smart, R.L. 2010 2010A&A...511A..30S The Distance to the Cool T9 Brown Dwarf ULAS J003402.77-005206.7 yes Sma10b 27: Smart, R.L. 2010 Torino 2010A&A...514A..84S Cool Dwarf Stars from the Torino Observatory Parallax Program pend And11a 1 Ando, K. 2011 VERA 2011PASJ...63...45A Astrometry of Galactic Star-Forming Region ON2N with VERA: Estimation of the Galactic Constants yes And11b 10 Andrei, A.H. 2011 PARSEC 2011AJ....141...54A Parallaxes of Southern Extremely Cool Objects. I. Targets, Proper Motions, and First Results pend Dzi11 1 Dzib, S. 2011 VLBA 2011ApJ...733...71D VLBA Determination of the Distance to Nearby Star-forming Regions. VI. The Distance to the Young Stellar Object HW 9 in Cepheus A pend Hir11 1 Hirota, T. 2011 VERA 2011PASJ...63....1H Astrometry of H2O Masers in Nearby Star-Forming Regions with VERA. IV. L 1448 C pend Hon11 1 Honma, M. 2011 VERA 2011PASJ...63...17H Astrometry of the Star-Forming Region IRAS 05137+3919 in the Far Outer Galaxy pend Ima11 1 Imai, H. 2011 VERA 2011PASJ...63...81I Annual Parallax Distance and Kinematical Property of H2O Masers in IRAS 19312+1950 yes Jao11 41 Jao, W-C. 2011 RECONS 2011AJ....141..117J TSN24: Parallax Results from the CTIOPI 0.9 m Program: Stars with mu >= 1farcs0 yr^-1 (MOTION Sample) and Subdwarfs Kir11 4 Kirkpatrick, J. Davy 2011 2011ApJS..197...19K The First Hundred Brown Dwarfs Discovered by the Wide-field Infrared Survey Explorer (WISE) pend Laz11 1 Lazorenko, P.F. 2011 2011A&A...527A..25L Astrometric search for a planet around VB 10 (Uses Pravdo & Shaklabn 2009 data) pend Liu11 1 Liu, M. 2011 2011arXiv1103.0014L CFBDSIR J1458+1013B: A Very Cold (>T10) Brown Dwarf in a Binary System pend Nag11 1 Nagayama, T. 2011 VERA 2011PASJ...63...23N Astrometry of Galactic Star-Forming Region Onsala 1 with VERA: Estimation of Angular Velocity of Galactic Rotation at the Sun pend Nag11b 1 Nagayama, T. 2011 VERA 2011arXiv1104.0363N Astrometry of Galactic Star-Forming Region G48.61+0.02 with VERA pend Nii11 1 Niinuma, K. 2011 VERA 2011PASJ...63....9N Astrometry of H2O Masers in the Massive Star-Forming Region IRAS 06061+2151 with VERA pend Nyu11 1 Nyu, D. 2011 VERA 2011PASJ...63...63N Astrometry of AGB Variables with VERA: Annual Parallax and the Orbit of SY Sculptoris in the Galaxy Rei11 1 Reid, Mark J. 2011 VLBA 2011ApJ...742...83R The Trigonometric Parallax of Cygnus X-1 Rie11 1 Riedel, Adric R. 2011 RECONS 2011AJ....142..104R The Solar Neighborhood. XXVI. AP Col: The Closest (8.4 pc) Pre-main-sequence Star pend Taf11 1 Tafoya, D. 2011 VERA 2011PASJ...63...71T Measurement of the Distance and Proper Motions of the H2O Masers in the Young Planetary Nebula K 335 pend Tor11 1 Torstensson, K.J.E. 2011 VLBI 2011A&A...526A..38T Dynamics of the 6.7 and 12.2 GHz methanol masers around Cepheus A HW2 yes von11 1 von Braun, K. 2011 RECONS 2011ApJ...729L..26V Astrophysical Parameters and Habitable Zone of the Exoplanet Hosting Star GJ 581 pend Xu-11 3 Xu, Y. 2011 2011ApJ...733...25X Trigonometric Parallaxes of Massive Star-forming Regions. VIII. G12.89+0.49, G15.030.68 (M17), and G27.360.16 TOTAL 979 142 papers -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| SPACE-BASED TRIGONOMETRIC PARALLAXES -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| status ref # pi* first author year program reference paper title -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| pend Car96 1 Caraveo, P. 1996 HST/WFPC2 1996ApJ...461L..91C Parallax Observations with the Hubble Space Telescope Yield the Distance to Geminga prob Gir97 1 Guirado, J.C. 1997 Hipparcos 1997ApJ...490..835G Astrometric Detection of a Low-Mass Companion Orbiting the Star AB Doradus (includes VLBI observations) (problem: ranges, not value+error) ??? Mac97 2 MacConnell, D. 1997 HST/FGS 1997AJ....114.1268M HST-FGS parallaxes of two high-velocity stars ??? van97 7 van Altena 1997 HST/FGS 1997BAAS...29.1102V The Distance to the Hyades Cluster Based on Hubble Space Telescope Fine Guidance Sensor Parallaxes ??? Fra98 1 Franz, Otto G. 1998 HST/FGS 1998AJ....116.1432F The First Definitive Binary Orbit Determined with the Hubble Space Telescope Fine Guidance Sensors: Wolf 1062 (Gliese 748) ??? Her98 1 Hershey, J.L. 1998 HST/FGS 1998AJ....116.1440H Hubble Space Telescope Fine Guidance Sensor Astrometry of the Low-Mass Binary L722-22 pend Pla98 ??? Platais, I. 1998 Hipparcos 1998AJ....116.2423P A Search for Star Clusters from the HIPPARCOS Data (Cluster parallax) ??? Ben99 2 Benedict, G.F. 1999 HST/FGS 1999AJ....118.1086B Interferometric Astrometry of Proxima Centauri and Barnard's Star Using HST Fine Guidance Sensor 3: Detection Limits for Substellar Companions ??? Har99 3 Harrison, T.E. 1999 HST/FGS 1999ApJ...515L..93H Hubble Space Telescope Fine Guidance Sensor Astrometric Parallaxes for Three Dwarf Novae: SS Aurigae, SS Cygni, and U Geminorum ??? McA99 1 McArthur, B.E. 1999 HST/FGS 1999ApJ...520L..59M Astrometry with Hubble Space Telescope Fine Guidance Sensor 3: The Parallax of the Catacylsmic Variable RW Triangulum yes Sod99 205 Soderhjelm, S. 1999 Hipparcos 1999A&A...341..121S Visual binary orbits and masses POST HIPPARCOS (5 redundant answers) new Ree99 1 Reed, D.S. 1999 HST 1999AJ....118.2430R Hubble Space Telescope Measurements of the Expansion of NGC 6543: Parallax Distance and Nebular Evolution ??? Ben00a 1 Benedict, G.F. 2000 HST/FGS 2000AJ....119.2382B Interferometric Astrometry of the Detached White Dwarf-M Dwarf Binary Feige 24 Using HST FGS3: White Dwarf Radius and Component Mass Estimates ??? Ben00b 1 Benedict, G.F. 2000 HST/FGS 2000AJ....120.1106B Interferometric Astrometry of the Low-Mass Binary GL 791.2 (= HU Del) Using HST Fine Guidance Sensor 3: Parallax and Component Masses ??? Har00 3 Harrison, Thomas E. 2000 HST/FGS 2000AJ....120.2649H The Spectroscopic and Astrometric Parallaxes of Three Dwarf Novae: The Nature of the Secondary Stars of U Geminorum, SS Aurigae, and SS Cygni ??? Ben01 1 Benedict, G.F. 2001 HST/FGS 2001AJ....121.1607B Precise Masses for Wolf 1062 AB from HST Interferometric Astrometry and McDonald Observatory Radial Velocities ??? McA01 2 McArthur, B.E. 2001 HST/FGS 2001ApJ...560..907M Interferometric Astrometry with HST Fine Guidance Sensor 3: The Parallax of the Cataclysmic Variable TV Columbae ??? Ben02a 1 Benedict, G.F. 2002 HST/FGS 2002AJ....123..473B Astrometry with the Hubble Space Telescope: A Parallax of the Fundamental Distance Calibrator RR Lyrae ??? Ben02b 1 Benedict, G.F. 2002 HST/FGS 2002AJ....124.1695B Astrometry with the Hubble Space Telescope: A Parallax of the Fundamental Distance Calibrator delta Cephei ??? Ben02c 1 Benedict, G.F. 2002 HST/FGS 2002ApJ...581L.115B A Mass for the Extrasolar Planet Gliese 876b Determined from HST Fine Guidance Sensor 3 Astrometry and High-Precision Radial Velocities ??? Ben03 1 Benedict, G.F. 2003 HST/FGS 2003AJ....126.2549B Astrometry with The Hubble Space Telescope: A Parallax of the Central Star of the Planetary Nebula NGC 6853 ??? Beu03 1 Beuermann, K. 2003 HST/FGS 2003A&A...412..821B A Precise HST Parallax of the Cataclysmic Variable EX Hydrae, Its System Parameters, and Accretion Rate ??? Beu04 1 Beuermann, K. 2004 HST 2004A&A...419..291B An HST Parallax of the Distant Cataclysmic Variable V1223 Sgr, Its System Parameters, and Accretion Rate ??? Har04 6 Harrison, T.E. 2004 HST/FGS 2004AJ....127..460H An Astrometric Calibration of the Mv-P(orb) Relationship for Cataclysmic Variables based on Hubble Space Telescope Fine Guidance Sensor Parallaxes yes Gat05 1 Gatewood, G. 2005 Hipparcos 2005AJ....130..809G An Astrometric Study of the Binary Star alpha Ophiuchi (also MAP-based parallax, see Ground-Based) ??? Sod05 3 Soderblom, D.R. 2005 HST/FGS 2005AJ....129.1616S Confirmation of Errors in Hipparcos Parallaxes from Hubble Space Telescope Fine Guidance Sensor Astrometry of the Pleiades ??? Ben06 11 Benedict, G.F. 2006 HST/FGS 2006AJ....132.2206B The Extrasolar Planet epsilon Eridani b: Orbit and Mass prob Ref06 2 Reffert, S. 2006 Hipparcos 2006A&A...449..699R Hipparcos astrometric orbits for two brown dwarf companions: HD 38529 and HD 168443 (problem: deltas only) ??? Bea07 1 Bean, J.L. 2007 HST/FGS 2007AJ....134..749B The Mass of the Candidate Exoplanet Companion to HD 33636 from Hubble Space Telescope Astrometry and High-Precision Radial Velocities ??? Ben07 9: Benedict, G.F. 2007 HST/FGS 2007AJ....133.1810B HST Fine Guidance Sensor Parallaxes of Galactic Cepheid Variable Stars: Period-Luminosity Relations ??? Fah07 1 Faherty, J. 2007 HST/ACS 2007Ap&SS.308..225F The Trigonometric Parallax of the Neutron Star Geminga ??? Roe07 5 Roelofs, G.H.A. 2007 HST/FGS 2007ApJ...666.1174R Hubble Space Telescope Parallaxes of AM CVn Stars and Astrophysical Consequences yes Har08 1 Harper, G.M. 2008 Hipparcos 2008AJ....135.1430H A New VLA-Hipparcos Distance to Betelgeuse and its Implications ??? Ben09 4 Benedict, G. Fritz 2009 HST/FGS 2009AJ....138.1969B Astrometry with the Hubble Space Telescope: Trigonometric Parallaxes of Planetary Nebula Nuclei NGC 6853, NGC 7293, Abell 31, and DeHt 5 ??? Ben10 1 Benedict, G. Fritz 2010 HST/FGS 2010AJ....139.1844B The Mass of HD 38529c from Hubble Space Telescope Astrometry and High-precision Radial Velocities ??? McA10 2 McArthur, Barbara E. 2010 HST/FGS 2010ApJ...715.1203M New Observational Constraints on the ? Andromedae System with Data from the Hubble Space Telescope and Hobby-Eberly Telescope yes Ren10 13 Ren, S. 2010 Hipparcos 2010AJ....139.1975R Orbit Determination of Double-lined Spectroscopic Binaries by Fitting the Revised Hipparcos Intermediate Astrometric Data prob Soz10 2 Sozzetti, A. 2010 Hipparcos 2010A&A...509A.103S Hipparcos preliminary astrometric masses for the two close-in companions to HD 131664 and HD 43848. A brown dwarf and a low-mass star (problem: deltas only, from what?) ??? Wal10 1 Walter, F.M. 2010 HST/ACS 2010ApJ...724..669W Revisiting the Parallax of the Isolated Neutron Star RX J1856353754 Using HST/ACS Imaging pend McA11 7 McArthur, B.E. 2011 HST/FGS 2011AJ....141..172M Astrometry with the Hubble Space Telescope: Trigonometric Parallaxes of Selected Hyads prob Ref11 ??? Reffert, S. 2011 Hipparcos 2011A&A...527A.140R Mass constraints on substellar companion candidates from the re-reduced Hipparcos intermediate astrometric data: nine confirmed planets and two confirmed brown dwarfs (problem: only new values, no re-evaluated errors) Ben11 7 Benedict, G. Fritz 2011 HST 2011AJ....142..187B Distance Scale Zero Points from Galactic RR Lyrae Star Parallaxes TOTAL 316 42 papers -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| SPACE-BASED TRIGONOMETRIC PARALLAXES --- HIPPARCOS RE-REDUCTIONS -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| yes HIPno 240 Perryman, M. ??? 1997 Hipparcos 1997ESASP1200.....P The HIPPARCOS and TYCHO catalogues. Astrometric and photometric star catalogues derived from the ESA HIPPARCOS Space Astrometry Mission (general notes table has revisions) yes Mar98a 46 Martin, C. 1998 Mignard 1998A&A...330..585M Mass determination of astrometric binaries with Hipparcos. II. Selection of candidates and results yes Mar98b 28 Martin, C. 1998 Mignard 1998A&AS..133..149M Mass determination of astrometric binaries with Hipparcos. III. New results for 28 systems pend Ber99 ??? Bertout, C. 1999 Arenou 1999A&A...352..574B Revisiting Hipparcos data for pre-main sequence stars (clusters only, no new parallaxes to stars) yes Fal99 139 Falin, J.L. 1999 Mignard 1999A&AS..135..231F Mining in the HIPPARCOS raw data yes Pou99 1 Pourbaix, D. 1999 Pourbaix 1999A&A...344..172P Revised masses of alpha Centauri (Pourbaix 2002A&A...386..280P prefers Soederhjelm) prob Pou00 23 Pourbaix, D. 2000 Pourbaix 2000A&AS..145..161P Re-processing the Hipparcos Transit Data and Intermediate Astrometric Data of spectroscopic binaries. I. Ba, CH and Tc-poor S stars (problem: several answers per star, no readily apparent "best") yes Fab00 173 Fabricius, C. 2000 Makarov 2000A&AS..144...45F Hipparcos Astrometry for 257 Stars using Tycho-2 Data yes Hal00a 11 Halbwachs, J.L. 2000 Arenou 2000A&A...355..581H Exploring the brown dwarf desert with Hipparcos prob Kna01 66 Knapp, G. 2001 Pourbaix 2001A&A...371..222K Reprocessing the Hipparcos data for evolved giant stars II. Absolute magnitudes for the R-type carbon stars (note: Claims 317 stars in abstract, but only 83 have astrometry, only 66 have parallax. Problem: value, min and max given, not value+error) yes Gat01 1 Gatewood, G. 2001 Pourbaix 2001ApJ...549.1145G Hipparcos and MAP Studies of the Triple Star pi Cephei (also ground-based rereduction) yes Mak02 54 Makarov, V.V. 2002 Makarov 2002AJ....124.3299M Computing the Parallax of the Pleiades from the Hipparcos Intermediate Astrometry Data: An Alternative Approach yes Tor02a 1 Torres, G. 2002 Torres 2002ApJ...567.1140T Absolute Dimensions of the M-Type Eclipsing Binary YY Geminorum (Castor C): A Challenge to Evolutionary Models in the Lower Main Sequence yes Tor02b 1 Torres, G. 2002 Torres 2002AJ....124.1716T Testing Models of Stellar Evolution for Metal-poor Stars: An Interferometric-spectroscopic Orbit for the Binary HD 195987 (Astrometric AND Orbital solutions) yes Kna03 268 Knapp, G. 2003 Pourbaix 2003A&A...403..993K Reprocessing the Hipparcos data of evolved stars. III. Revised Hipparcos period-luminosity relationship for galactic long-period variable stars yes Mak03 36 Makarov, V.V. 2003 Makarov 2003AJ....126.2408M Improved Hipparcos Parallaxes of Coma Berenices and NGC 6231 yes Pou03a 29 Pourbaix, D. 2003 Pourbaix 2003A&A...398.1163P Reprocessing the Hipparcos Intermediate Astrometric Data of spectroscopic binaries. II. Systems with a giant component yes Pou03b 188 Pourbaix, D. 2003 Pourbaix 2003A&A...399.1167P How many Hipparcos Variability-Induced Movers are genuine binaries? yes Fek05 1 Fekel, F.C. 2005 Pourbaix 2005AJ....129.1001F HD 166181 = V815 Herculis, a Single-lined Spectroscopic Multiple System prob Gol06 65? Goldin, A. 2006 Makarov 2006ApJS..166..341G Unconstrained Astrometric Orbits for Hipparcos Stars with Stochastic Solutions (problem: FAST & NDAC solutions are separate) yes Bak06 1 Bakis, V. 2006 Hipparcos 2006MNRAS.370.1935B Analysis of delta Librae including Hipparcos astrometry yes Fek06 1 Fekel, F.C. 2006 Pourbaix 2006AJ....132.1910F HD 131861, a Double-Line Spectroscopic Triple System yes Tor06a 1 Torres, G. 2006 Torres 2006AJ....131.1022T The Astrometric-Spectroscopic Binary System HIP 50796: An Overmassive Companion yes Tor06b 1 Torres, G. 2006 Torres 2006ApJ...640.1018T The Eclipsing Binary V1061 Cygni: Confronting Stellar Evolution Models for Active and Inactive Solar-Type Stars yes Fek07 1 Fekel, F.C. 2007 Pourbaix 2007AJ....133.2431F The Spectroscopic and Astrometric Orbits of HR 672 yes Kal07 43 Kaltcheva, N. 2007 Makarov 2007ApJ...667L.155K The Structure and the Distance of Collinder 121 from Hipparcos and Photometry: Resolving the Discrepancy yes Mak07a 1 Makarov, V. 2007 Makarov 2007ApJ...654L..81M Binarity of the Nearby 30 Myr Old Solar Analog HIP 16853 in the Tucana-Horologium Stream yes Mar07 1 Martinache, F. 2007 Pourbaix 2007ApJ...661..496M Precision Masses of the Low-Mass Binary System GJ 623 (private communication of Jorissen 2005 rereduction) yes Tor07a 1 Torres, G. 2007 Torres 2007ApJ...654.1095T The Planet Host Star gamma Cephei: Physical Properties, the Binary Orbit, and the Mass of the Substellar Companion yes Tor07b 1 Torres, G. 2007 Torres 2007AJ....133.2684T Astrometric-Spectroscopic Determination of the Absolute Masses of the HgMn Binary Star phi Herculis (uses interferometry and RV data) yes Tor07c 1 Torres, G. 2007 Torres 2007AJ....134.1916T Hipparcos Astrometric Orbit and Evolutionary Status of HR 6046 yes Zha07 1 Zhao, M. 2007 Torres 2007ApJ...659..626Z Physical Orbit for lambda Virginis and a Test of Stellar Evolution Models (trigonometric AND orbital) yes Mak08 1* Makarov, V.V. 2008 Makarov 2008ApJ...687..566M Common Proper Motion Companions to Nearby Stars: Ages and Evolution (only one NEW parallax, HIP059000) yes Ram09 2 Ramm, D.J. 2009 Pourbaix 2009MNRAS.394.1695R Spectroscopic orbits for K giants beta Reticuli and nu Octantis: what is causing a low-amplitude radial velocity resonant perturbation in nu Oct? yes Tor09 1 Torres, G. 2009 Torres 2009ApJ...700.1349T Binary Orbit, Physical Properties, and Evolutionary State of Capella (alpha Aurigae) pend Pla11 1 Platais, I. 2011 Pourbaix 2011MNRAS.413.1024P A deep proper-motion survey of the nearby open cluster Blanco 1 yes Ste11 1 Stefanik, R.P. 2011 Torres 2011AJ....141..144S Observations and Orbital Analysis of the Giant White Dwarf Binary System HR 5692 TOTAL 1431 36 papers -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| TRIGONOMETRIC PARALLAXES NOT INCLUDED IN DATABASE -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| status ref # pi* first author year program reference paper title -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| new Tay97 1 Taylor, G.B. 1997 VLBA 1997Natur.389..263T Position and parallax of the gamma-ray burst of 8 May 1997 (no parallax, just upper limit of 1 mas) new van99 1 van Langevelde, H.J. 1999 VLBI 1999NewAR..43..575V VLBI measurements of the parallax and proper motion of U Herculis (only a parallax estimate, no error, paper only tentative) no Gir00 1 Girard, T.M. 2000 Hipparcos 2000AJ....119.2428G A Redetermination of the Mass of Procyon (also ground-based rereduction) (rederived Hipparcos parallax but did not publish or use) no Pou00b 89 Pourbaix, D. 2000 Hipparcos 2000IAUJD..13E..39P Reprocessing the Hipparcos Observations of C stars: Improved Parallaxes and Luminosity Calibration (Conference proceeding) no Rei00 4 Reid, I.N. 2000 USNO 2000AJ....119..369R Four Nearby L Dwarfs (superseded in Dahn 2002) no Tin03 10 Tinney, C.G. 2003 2003AJ....126..975T Infrared Parallaxes for Methane T Dwarfs (all relative) new Pra05 1 Pravdo, S.H. 2005 STEPS 2005ApJ...630..528P Astrometric Discovery of GJ 802b: In the Brown Dwarf Oasis? (relative parallax, vague correction to absolute) no Bar09 13 Bartlett, J.L. 2009 Virginia 2009PASP..121..365B A Search for Astrometric Companions to Stars in the Southern Hemisphere (all parallaxes are relative, not absolute) new Bos09 1 Boss, A.P. 2009 CAPSCam 2009PASP..121.1218B The Carnegie Astrometric Planet Search Program (relative parallax) no Lan09 19 Lang, Dustin 2009 2009AJ....137.4400L Measuring the Undetectable: Proper Motions and Parallaxes of Very Faint Sources no Bud09 1 Budding, E. 2009 Hipparcos 2009MNRAS.393..501B Absolute parameters of young stars - I. U Ophiuci (no change in parallax) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| OTHER PARALLAXES NOT INCLUDED IN DATABASE (orbital, pulsar, seismic, statistical, etc.) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| status ref # pi* first author year program reference paper title -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| no San97 1 Sandhu, J.S. 1997 1997ApJ...478L..95S The Proper Motion and Parallax of PSR J0437-4715 no Tor97a 1 Torres, G. 1997 1997ApJ...474..256T The Hyades Binary 51 Tauri: Spectroscopic Detection of the Primary, the Distance to the Cluster, and the Mass-Luminosity Relation (orbital) no Tor97b 1 Torres, G. 1997 1997ApJ...479..268T The Hyades Binary Finsen 342 (70 Tauri): A Double-lined Spectroscopic Orbit, the Distance to the Cluster, and the Mass-Luminosity Relation (orbital) no Tor97c 1 Torres, G. 1997 1997ApJ...485..167T The Hyades Binaries theta 1 Tauri and theta 2 Tauri: The Distance to the Cluster and the Mass-Luminosity Relation (orbital) new Bar98 1 Barlow, D.J. 1998 (orbital) 1998AJ....115.2555B Physical Properties of the Binary Star 12 Persei new Bod99a 1 Boden, A.F. 1999 (orbital) 1999ApJ...515..356B The Visual Orbit of IOTA Pegasi new Bod99b 1 Boden, A.F. 1999 (orbital) 1999ApJ...527..360B The Visual Orbit of 64 Piscium new Ole99 5 Olevic, D. 1999 (dynamical) 1999SerAJ.159...87O New Orbital Elements of 5 Interferometric Double Stars new Pou99 1 Pourbaix, D. 1999 (orbital) 1999A&A...348..127P Gamma Persei: a challenge for stellar evolution models new Ras99 387 Rastorguev, A.S. 1999 (stat) 1999AstL...25..595R Statistical parallaxes and kinematical parameters of classical Cepheids and young star clusters new Sme99 2 Smekhov, M.G. 1999 (dynamical) 1999AstL...25..536S Spectroscopic components in the multiple systems ADS 4200 and ADS 12656 new Tok99 1 Tokovinin, A.A. 1999 (dynamical) 1999AstL...25..669T The visual orbit of HD 98800 no Tos99 1 Toscano, M. 1999 1999ApJ...523L.171T Parallax of PSRJ1744-1134 and the Local Interstellar Medium (annual pi?) no Tor00 1 Torres, G. 2000 2000AJ....120.3226T Absolute Dimensions of the Unevolved B-Type Eclipsing Binary GG Orionis (orbital) no Bod05a 1 Boden, A.F. 2005 2005ApJ...627..464B Testing Stellar Models with an Improved Physical Orbit for 12 Bootis (orbital) no Bod05b 2 Boden, A.F. 2005 2005ApJ...635..442B Dynamical Masses for Low-Mass Pre-Main-Sequence Stars: A Preliminary Physical Orbit for HD 98800 B (orbital) no Bod06 1 Boden, A.F. 2006 Torres 2006ApJ...644.1193B A Physical Orbit for the High Proper Motion Binary HD 9939 (orbital, but uses Hipparcos data?) no Cor09 2 Corsico, A.H. 2009 2009A&A...499..257C Asteroseismology of hot pre-white dwarf stars: the case of the DOV stars PG 2131+066 and PG 1707+427, and the PNNV star NGC 1501 no Gou09 1 Gould, A. 2009 2009ApJ...698L.147G The Extreme Microlensing Event OGLE-2007-BLG-224: Terrestrial Parallax Observation of a Thick-Disk Brown Dwarf no Laz09 1 Lazaridis, K. 2009 2009MNRAS.400..805L Generic tests of the existence of the gravitational dipole radiation and the variation of the gravitational constant no Mar09 1 Martinache, F. 2009 2009ApJ...695.1183M Visual Orbit of the Low-Mass Binary GJ 164 AB (orbital) no Kam10 1 Kamohara, R. 2010 VERA 2010A&A...510A..69K VERA observations of SiO maser emission from R Aquarii no Oh_10 3 Oh, Chung Sik 2010 VERA 2010PASJ...62..101O VERA Observations of H2O Maser Sources in Three Massive Star-Forming Regions and Galactic Rotation Measurements no Bat11 1 Batista, V. 2011 MOA 2011A&A...529A.102B MOA-2009-BLG-387Lb: a massive planet orbiting an M dwarf no Cve11 6 Cvetkovic', Z. 2011 2011AJ....141..116C Four First and Two Recalculated Orbits for Binaries no Den11 ??? Deng, X. 2011 2011MNRAS.tmp..614D Pulsar timing array observations of gravitational wave source timing parallax no Lee11 ??? Lee, K.J. 2011 2011MNRAS.tmp..628L Gravitational wave astronomy of single sources with a pulsar timing array no Hwa11 ??? Hwang, K-H. 2011 OGLE/MOA 2011MNRAS.413.1244H OGLE-2009-BLG-023/MOA-2009-BLG-028: characterization of a binary microlensing event based on survey data no Shi11 1 Shin, I-G. 2011 OGLE 2011arXiv1104.5094S OGLE-2005-BLG-018: Characterization of Full Physical and Orbital Parameters of a Gravitational Binary Lens no Tor11 1 Torres, K.B.V. 2011 2011A&A...525A..50T Spectra disentangling applied to the Hyades binary theta2 Tauri AB: new orbit, orbital parallax and component properties ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| * science and calibration target parallaxes, not reference star parallaxes ** prior to 1005, but not included in the YPC so listed here ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|