Kinematic data for high luminosity stars J/other/ApSS/365 ivo://CDS.VizieR/J/other/ApSS/365.112 CDS Melnik A.M. Dambis A.K. 2021-09-07T13:36:04Z 2020-08-19T07:19:07Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr milky-way-galaxy stellar-associations ob-stars proper-motions radial-velocity photometry We calculated the median parallaxes for 47 OB associations including at least 10 stars with known Gaia DR2 parallaxes. A comparison between trigonometric and photometric parallaxes of OB associations reveals a zero-point offset of {Delta}_{pi}_=-0.11+/-0.04mas indicating that Gaia DR2 parallaxes are, on average, underestimated and the distances derived from them are overestimated. The correction of {Delta}_{pi}=-0.11 mas is consistent with the estimate that Arenou et al. (2018A&A...616A..17A) obtained for bright stars. An analysis of parallaxes of OB associations and high-luminosity field stars confirms our previous conclusion (Dambis et al., 2001AstL...27...58D) that the distance scale for OB stars established by Blaha and Humphreys (1989AJ.....98.1598B) must be reduced by 10-20%. Spurious systematic motions of 10-20km/s at the distances of 2-3kpc from the Sun are found to arise from the use of the uncorrected Gaia DR2 parallaxes. 2020Ap+SS.365..112M https://cdsarc.cds.unistra.fr/viz-bin/cat/J/other/ApSS/365.112 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to J/MNRAS/472/3887 : Kinematic data for stars in OB-associations (Melnik+, 2017) J/MNRAS/493/2339 : Kinematic data for stars in OB-associations (Melnik+, 2020) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/other/ApSS/365.112 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/other/ApSS/365.112 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/other/ApSS/365.112 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/other/ApSS/365.112 https://vizier.iucaa.in/viz-bin/votable?-source=J/other/ApSS/365.112 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/other/ApSS/365.112 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/other/ApSS/365.112/table1a (Kinematic data for high luminosity stars in field) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/other/ApSS/365.112/table1a? https://vizier.iucaa.in/viz-bin/conesearch/J/other/ApSS/365.112/table1a? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/other/ApSS/365.112/table1a? GET text/xml+votable 180.0 50000 true 268.6779583 -29.7298889 0.005555555555555556 5/764 899 902 905 908 910 3574 3575 3603 3655 3660 3661 3843 7170 7183 7202 9311 9333 9334 9335 9337 9429 9466 9473 9480 9481 9482 9973 10154 10417 10418 10424 10539 10574 10583 10591 10754 10755 10757 10760 10761 6/418 1296 1319 1335 1339 1342 1355 1379 1388 1390 1392 1393 1428 1429 1433 1453 1457 1458 1459 1460 1550 1555 1577 1618 1633 1656 1717 1733 1741 1749 1782 1783 1788 1797 1799 1804 1810 1811 1814 1824 1848 1923 1929 1932 1935 1946 2025 2409 2420 2544 2619 2734 2772 2780 2806 2884 2903 2909 2910 2911 2937 2940 2943 2957 2970 2990 2996 3001 3006 3009 3011 3012 3023 3029 3030 3032 3034 3036 3037 3045 3048 3050 3051 3053 3054 3055 3060 3061 3064 3066 3067 3068 3069 3070 3132 3147 3163 3167 3168 3179 3180 3186 3196 3199 3214 3222 3229 3239 3247 3254 3256 3263 3270 3271 3273 3274 3275 3276 3279 3280 3283 3285 3289 3290 3293 3298 3301 3306 3308 3312 3316 3321 3336 3342 3364 3384 3430 3461 3465 3469 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https://cdsarc.cds.unistra.fr/viz-bin/moc/J/other/ApSS/365.112?format=ascii default J/other/ApSS/365.112/table1a Kinematic data for high luminosity stars in field recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Name Star name meta.id;meta.main char SpType Spectral type of the star src.spType char cL Code of the luminosity class (1) src.class.luminosity int Vmag Apparent V-band magnitude of the star mag phot.mag;em.opt.V float B-V Color index B-V of the star mag phot.color;em.opt.B;em.opt.V float U-B Color index U-B of the star mag phot.color;em.opt.U;em.opt.B float AV V-band extinction mag phys.absorption float VMAG Absolute magnitude of the star mag phys.magAbs float r Heliocentric distance of the star kpc pos.distance;pos.heliocentric float RAdeg ? Barycentric right ascension (ICRS) at Ep=2015.5 (Gaia DR2) deg pos.eq.ra nullable DEdeg ? Barycentric declination (ICRS) at Ep=2015.5 (Gaia DR2) deg pos.eq.dec nullable Gmag ? G-band mean magnitude of the star (Gaia DR2) mag phot.mag;em.opt float nullable GLON ? Galactic Longitude of the star deg pos.galactic.lon nullable GLAT ? Galactic Latitude of the star deg pos.galactic.lat double nullable Plx ? Absolute stellar parallax (Gaia DR2) mas pos.parallax float nullable e_Plx ? Standard error of parallax (Gaia DR2) mas stat.error;pos.parallax float nullable pmGLON ? Proper motion along Galactic Longitide mas/yr pos.pm float nullable e_pmGLON ? Error of pmGLON mas/yr stat.error float nullable pmGLAT ? Proper motion along Galactic Latitide mas/yr pos.pm double nullable e_pmGLAT ? Error of pmGLAT mas/yr stat.error float nullable HVR ? Heliocentric radial velocity of the star km/s spect.dopplerVeloc;pos.heliocentric float nullable e_HVR ? Error of HVR km/s stat.error float nullable Nvis ? Number of visibility periods meta.number int nullable RUWE ? Re-normalised unit weight error stat.error float nullable SimbadName Simbad column added by the CDS meta.id char _RA Positions from Simbad (right ascension part) deg pos.eq.ra;meta.main nullable _DE Positions from Simbad (declination part) deg pos.eq.dec;meta.main nullable