/ftp/cats/3/239



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III/239   ==OBSOLETE version of Catalogue==
30-Dec-2007: (by Francois Ochsenbein) See new version: III/254
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=III/239
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drwxr-xr-x 259 cats archive 8192 Dec 5 19:00 [Up] drwxr-xr-x 2 cats archive 293 Jan 12 2023 [TAR file] -rw-r--r-- 1 cats archive 407 Dec 19 2022 .message -rw-r--r-- 1 cats archive 63 Dec 30 2007 =obsolete= -r--r--r-- 1 cats archive 13425 Sep 2 2004 ReadMe -rw-r--r-- 1 cats archive 2973 Sep 19 2007 +footg5.gif -rw-r--r-- 1 cats archive 2047 Mar 5 2008 +footg8.gif -r--r--r-- 1 cats archive 2451500 Feb 12 2004 catalog.dat.gz [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 231525 Feb 13 2004 rv_std.dat.gz [txt] [txt.gz] [fits] [fits.gz] [html]
Beginning of ReadMe : III/239 Radial Velocities with Astrometric Data (Kharchenko+ 2004) ================================================================================ The catalogue of radial velocities of galactic stars with high precision astrometric data (CRVAD) Kharchenko N.V., Piskunov A.E., Scholz R.-D. <Astron. Nachr. 325, 439 (2004)> =2004AN....325..439K ================================================================================ ADC_Keywords: Stars, fundamental ; Combined data ; Positional data ; Radial velocities ; Proper motions ; Parallaxes, trigonometric ; Spectral types ; Cross identifications Description: The catalogue of radial velocities of Galactic stars with high precision astrometric data (CRVAD) is the result of a merging of star lists from the General Catalog of Mean Radial Velocities (GCRV, Cat. III/213) and from the All-sky Compiled Catalogue of 2.5 Million Stars (ASCC-2.5, Cat. I/280). The cross identification of GCRV and ASCC-2.5 objects was carried out with help of coordinate, magnitude, colour and/or spectral type criteria. Data from the Catalogue of Components of Double and Multiple Stars (CCDM, Cat. I/274) were taken into account for the identification of multiple system components. 34553 stars of the ASCC-2.5 were identified with 33509 stars of the GCRV, i.e. 33509 stars of the GCRV have one entry in the ASCC-2.5, and 1044 objects have two entries. The catalogue includes accurate equatorial coordinates J2000, proper motions and trigonometric parallaxes in the Hipparcos system, B and V magnitudes in Johnson system, spectral classes, multiplicity and variability flags from the ASCC-2.5, and radial velocities, stellar magnitudes and spectra from the GCRV. Stars are sorted in right ascension J2000 order. 3967 stars were selected as radial velocity standard candidates (file rv_std.dat). These stars: - do not have any multiplicity and/or variability flags both in the GCRV and ASCC-2.5; - have standard errors of equatorial coordinates e <= 40 mas; - have standard errors of proper motions e_pm <= 4 mas/yr; - have standard errors of V magnitude e_V <= 0.05 mag and (B-V) colour e_(B-V) <= 0.07 mag; - have standard errors of radial velocity e_RV <= 2 km/s or quality index A or B, which corresponds to e_RV 0.74 and 1.78 km/s; - have at least four RV observations N_RV.