New double stars from HST J/PASP/110/1012 ivo://CDS.VizieR/J/PASP/110/1012 doi:10.26093/cds/vizier.61101012 CDS Schneider G. Hershey J.L. Wenz M.T. 2026-01-13T14:37:51Z 2007-09-05T14:16:35Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr multiple-stars interferometry Data from the Hubble Space Telescope (HST) Fine Guidance Sensor (FGS) interferometers, covering 22 months of guide-star acquisition operations, have been analyzed for evidence of stellar duplicity. The data comprise a survey of observed guide stars, all of which are taken from the HST Guide Star Catalog, ranging in magnitude from 9 to 14. The survey results cover a parameter space for the newly found doubles, for the fainter stars, which are of smaller limiting angular separations than in any previous surveys. The normal HST engineering telemetry data from 13,979 acquisitions on 4882 stars have been processed. The FGS guidance data can reveal duplicity with separations ranging from approximately 30mas, for the brighter stars, with small magnitude differences, up to the neighborhood of 500mas, and in some cases to 1000mas. The fraction of guide stars indicating duplicity is a function of the statistical criteria used but is over 5% at a very high level of confidence. It is possible that if some of the brighter and closer pairs could be identified as nearby, then their orbital motions would be rapid enough to allow a mass and distance determination on a timescale of a decade if followed with ground-based interferometric and spectroscopic instruments. A brief catalog of doubles is given, nearly all of which are of certain duplicity. Information for accessing on-line catalogs of large numbers of stars with lesser, but nevertheless strong, probabilities of duplicity and also for the solutions for duplicity from all acquisitions is provided. 1998PASP..110.1012S https://cdsarc.cds.unistra.fr/viz-bin/cat/J/PASP/110/1012 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to http://nicmosis.as.arizona.edu:8000/pub/gsdoubles.html : I/220 : The HST Guide Star Catalog, Version 1.1 (Lasker+ 1992) I/254 : The HST Guide Star Catalog, Version 1.2 (Lasker+ 1996) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/PASP/110/1012 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/PASP/110/1012 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/PASP/110/1012 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/PASP/110/1012 https://vizier.iucaa.in/viz-bin/votable?-source=J/PASP/110/1012 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/PASP/110/1012 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/PASP/110/1012/table2 (*Selected doubles from HST acquisition data, plus corrections from Saulius Raudeliunas) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/PASP/110/1012/table2? https://vizier.iucaa.in/viz-bin/conesearch/J/PASP/110/1012/table2? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/PASP/110/1012/table2? GET text/xml+votable 180.0 50000 true 6.377917 0.215278 0.005555555555555556 Cone search capability for table J/PASP/110/1012/acquis (*Planned acquisition description) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/PASP/110/1012/acquis? https://vizier.iucaa.in/viz-bin/conesearch/J/PASP/110/1012/acquis? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/PASP/110/1012/acquis? GET text/xml+votable 180.0 50000 true 85.37581 -69.32529 0.005555555555555556 HST 5/262 268 292 2618 4510 4554 5744 5884 6510 6532 6930 6932 6965 7037 7243 8263 8274-8275 8281 8623 9378 6/4 6 12 19 22 25 50 125 131 134 137 246-247 296 311 326-327 336-337 342 357 377 379 382 386 399 405 417 421-422 461 472 476 478 485 496 520 525 546-547 579 582 587 595 598 601 604 615 650 664 684 859 862 881 893 928 930 933 941-942 958 975 1008 1029-1031 1036-1037 1039-1040 1047 1052-1054 1071 1080 1082 1110-1111 1114-1115 1124 1136-1137 1154-1155 1159 1229 1263 1283 1286 1427 1457 1460 1466 1504-1505 1539 1541 1611 1633 1694 1701 1716 1725 1770 1890 1967 2058 2154-2155 2159 2207 2214 2216 2220 2227 2229 2241-2242 2245 2248 2251 2257 2274 2282 2324 2329 2331 2374 2388 2397 2402 2412 2414 2432 2511 2564 2619 2622-2623 2660-2661 2705 2708-2710 2735 2737 2740 2774 2780 2803 2827 2884 2906 2921 2923 2949 2968 2970 2997 3005 3023 3030 3042-3043 3096-3097 3099 3102 3125 3168 3170-3171 3177 3180 3186 3256 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43896 43900 43915 43925 43936-43937 43940-43941 43945 43947-43948 43950 43953 43956-43957 43966 43978 43981 43992 44000 44003 44006 44012 44016 44018 44026 44088 44111 44116-44117 44122 44150 44226 44232 44245 44247 44271 44287-44289 44301 44305 44310-44312 44317 44360-44362 44364-44365 44378-44379 44384 44389 44427 44435 44453 44523 44542-44543 44629 44636 44668 44671 44741 44755 44760-44761 44777 44785 44921 44923-44924 44938 44947 44995 45222 45322 45334 45367 45376 45385 45446 45485 45491 45526 45545 45558 45560-45561 45587 45590 45621 45638 45664 45671 45674 45732 45735 45744 45746 45748 45768 45770 45816 45883 45975 45981 45983 46024 46026 46043 46046 46079 46124 46130 46175 46204 46207 46344 46399 46418 46424 46477 46481 46519 46525 46566 46568 46571 46577 46632 46651 46689 46715 46731 46777 46793 46805 46808 46810-46811 46825 46916 46939 46967 47005 47014 47036 47049 47052 47057 47078 47080 47125 47154 47168-47169 47177 47325 47328 47375 47398 47414 47496 47509 47525 47568 47701 47718-47719 47742 47759 47772 47781 47824 47827 47865-47866 47868 47918 48015 48021 48037 48162 48170 48174 48188 48190 48197-48199 48256 48330 48345 48347 48461-48463 48484 48497 48556 48559 48561 48563 48569-48573 48609-48612 48614 48640 48644-48645 48652 48701 48703 48714 48730 48736 48741-48742 48745 48752-48753 48781-48783 48787 48792 48803 48806-48807 48856-48857 48865 48897 48899-48902 48908 48912 48951 48957 48974 48979 48985 49031 49042 49053 49106 49112-49113 49125 49127 49135 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/PASP/110/1012?format=ascii default J/PASP/110/1012/table2 *Selected doubles from HST acquisition data, plus corrections from Saulius Raudeliunas recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int RAO Original Right ascension, GSC position (J2000.0) pos.eq.ra DEO Original Declination, GSC position (J2000.0) pos.eq.dec GSC Guide Star Catalog number (G1) \linkRole{planned acquisitions} meta.id;meta.main char Nd Number of double solutions for this source meta.number int nullable Na Number of acquisistions for this source meta.number int nullable Epoch [1996/1997] Year of the epoch of observation s time.epoch mag Magnitude from the GSC (1) mag phot.mag;em.opt float e_mag ? Standard error of the observations that formed the delta magnitude mean if more than one observation mag stat.error;phot.mag float nullable XY [XY ] Symbol for the FGS coordinate of duplicity detection (2) meta.note char Sep Separation (3) mas pos.angDistance float PA Position angle (4) deg pos.posAng float Dmag Magnitude difference between the components as computed from the ratio of the amplitudes of the component S-curves (5) mag phot.mag;arith.diff float o_SepX [1/39]? Number of observations in the X coordinate combined to form the entries in the table line meta.number int nullable SepX ? Mean of the X separations, or the X separation if only one observation mas pos.cartesian.x;stat.mean float nullable e_SepX ? Error of the mean separation X mas stat.error float nullable s_SepX ? Standard error of the observations that formed the X mean mas stat.error;pos.cartesian.x;obs float nullable o_SepY [1/16]? Number of observations in the Y coordinate combined to form the entries in the table line meta.number int nullable SepY ? Mean of the Y separations, or the Y separation if only one observation mas pos.cartesian.y;stat.mean float nullable e_SepY ? Error of the mean separation Y mas stat.error float nullable s_SepY ? Standard error of the observations that formed the Y mean mas stat.error;pos.cartesian.y;obs float nullable SName Simbad name (as of 25 February 2014) when empty, field GSC or 2MASS should be used as main with coordinates from GSC 1.2 (6) meta.id char n_SName [OMAP] type of Simbad identifier (6) (7) meta.note char 2MASS 2MASS identifier without prefix "2MASS J" (6) meta.id char RAJ2000 Right ascension (J2000) from GSC 1.2 (6) pos.eq.ra;meta.main DEJ2000 Declination (J2000) from GSC 1.2 (6) pos.eq.dec;meta.main Child1 GSC 1.2 identifier (6) meta.id char Child2 GSC 1.2 identifier (6) meta.id char GSCat Details from GSC1.2 (I/220) meta.ref.url char 2M Details from 2MASS point-source catalog (II/246) meta.ref.url char
J/PASP/110/1012/acquis *Planned acquisition description recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Filename Source catalog file containing entry meta.id;meta.file char GSC Guide star catalog ID number (G1) meta.id;meta.main char primary N2 Indicates whether the source is among the selected doubles (table2) meta.number int nullable Nd Number of double solutions for this source meta.number int nullable Na Number of acquisistions for this source meta.number int nullable RAJ2000 J2000.0 GS right ascension deg pos.eq.ra;meta.main indexed DEJ2000 J2000.0 GS declination deg pos.eq.dec;meta.main indexed Roll Spacecraft roll angle (360 - Orient) deg instr.offset double Sunangle Angular distance of V1 axis to sun deg pos.angDistance double FGS [1/3] FGS interferometer number (1) meta.code int OBmag Observed magnitude in FGS instrumental system mag phot.mag;em.opt float CTmag Magnitude in guide star catalog mag phot.mag;em.opt float TM [25/50] Fine error sensor averaging time ms instr.setup int Acq [1/3] Acquisition type (2) meta.code int CPName Guiding scenario (PCS logic): PQ3AC1, PQ3M1X1, or PCPREACQ meta.code char LCT Low (PMT) count threshold for star detection instr.sensitivity int WdlX Walk-down length along X axis arcsec phys.angSize;instr.beam float WdlY Wald-down length along Y axis arcsec phys.angSize;instr.beam float RAV1deg RA J2000.0 of S/C V1 axis deg pos.eq.ra DEV1deg DEC J2000.0 of S/C V1 axis deg pos.eq.dec K1X FGE X-axis interferometer coefficient stat.fit.param double K1Y FGE Y-axis interferometer coefficient stat.fit.param double K3X FGE X-axis Q-signal limit stat.fit.param double K3Y FGE Y-axis Q-signal limit stat.fit.param double PP [0/1] Planetary Parallax (S/C rate) correction, 0 = off, 1 = on meta.code int RefCurve Reference S-curve used in fitting process meta.id;stat.fit.param char PicX Predicted FGS X coordinate of star arcsec pos.cartesian.x;instr.det int PicY Predicted FGS Y coordinate of star arcsec pos.cartesian.y;instr.det int Epoch Planned U.T. of acquisition start s time.epoch indexed
J/PASP/110/1012/doubles *Double star solutions GSC Guide star catalog ID number (G1) \linkRole{planned acquisitions} meta.id;meta.main recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Filename Source catalog file containing entry meta.id;meta.file char n_Filename [CDEF] Index for the different solutions meta.note char Code Type of fitting process/solution (1) meta.note char Null1 Relative position of star-1 X or Y null line mas pos.angDistance double e_Null1 1-{sigma} error in star-1 null line position mas stat.error float Null2 Relative position of star-2 X or Y null line mas pos.angDistance double e_Null2 1-{sigma} error in star-2 null line position mas stat.error float B1 Star-1 amplitude normalized to reference S-curve src.var.amplitude;arith.ratio float e_B1 ? 1-{sigma} error in star-1 to reference amplitude ratio stat.error float nullable B2 Star-2 amplitude normalized to reference S-curve src.var.amplitude;arith.ratio float e_B2 ? 1-{sigma} error in star-2 to reference amplitude ratio stat.error float nullable Sep [-104/] Separation of stars mas pos.angDistance double Dmag Magnitude difference between the components as computed from the ratio of the amplitudes of the component S-curves (2) mag phot.mag;arith.diff float N2 Indicates whether the source is among the selected doubles (table2) meta.number int nullable