VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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I/254/out The HST Guide Star Catalog, Version 1.2 (Lasker+ 1996)
The Full Catalogue (25241730 positions) (25241730 rows)
  GSC=0763800981
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Note: The Guide Star Catalog has been constructed to support the operational need of the Hubble Space Telescope. It contains over 25 million positions for about 19 million objects, of which more than 15 million are classified as stars. The version 1.2 is a new astrometric reduction which results in absolute position errors about 0.3-0.4 arcsec. (see GSC pages at URL http://www-gsss.stsci.edu/gsc/gsc.html)

ColumnValue  Explain   (UCD)
_RAJ200007 13 12.3312 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-42 24 35.676 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195007 11 36.5069 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-42 19 24.336 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon253.6298666 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-14.1943067 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

GSC0763800981  (i) GSC designation (Note)   (meta.id;meta.main)
RAJ2000108.30138 deg (i) Right ascension in J2000, epoch of plate (pos.eq.ra;meta.main)
DEJ2000-42.40991 deg (i) Declination in J2000, epoch of plate (pos.eq.dec;meta.main)
PosErr 0.4 arcsec Mean error on position (stat.error)
Pmag11.19 mag (i) photographic magnitude (see n_Pmag) (phot.mag;em.opt)
e_Pmag 0.42 mag Mean error on photographic magnitude (stat.error;phot.mag;em.opt.U)
n_Pmag 0   [0,18] Coded passband for magnitude (Note)   (meta.note)
Class0   [0,3] Class of object (0=star; 3=non-stellar) (src.class)
Plate000Y  Plate designation (Note)   (obs.field)
Epoch1980.119 yr Epoch of plate (Note)   (time.epoch)
MultT   [TF] True if multiple object / False otherwise (meta.code.multip)

VersionsGSC-all  Get parameters of that star from all GSC versions (meta.ref.url)
ColumnValue  Explain   (UCD)
_RAJ200007 13 12.4512 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-42 24 35.532 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195007 11 36.6267 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-42 19 24.184 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon253.6299835 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-14.1939531 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

GSC0763800981  (i) GSC designation (Note)   (meta.id;meta.main)
RAJ2000108.30188 deg (i) Right ascension in J2000, epoch of plate (pos.eq.ra;meta.main)
DEJ2000-42.40987 deg (i) Declination in J2000, epoch of plate (pos.eq.dec;meta.main)
PosErr 1.3 arcsec Mean error on position (stat.error)
Pmag11.29 mag (i) photographic magnitude (see n_Pmag) (phot.mag;em.opt)
e_Pmag 0.41 mag Mean error on photographic magnitude (stat.error;phot.mag;em.opt.U)
n_Pmag 0   [0,18] Coded passband for magnitude (Note)   (meta.note)
Class0   [0,3] Class of object (0=star; 3=non-stellar) (src.class)
Plate01FA  Plate designation (Note)   (obs.field)
Epoch1978.168 yr Epoch of plate (Note)   (time.epoch)
MultT   [TF] True if multiple object / False otherwise (meta.code.multip)

VersionsGSC-all  Get parameters of that star from all GSC versions (meta.ref.url)
ColumnValue  Explain   (UCD)
_RAJ200007 13 12.3792 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-42 24 35.064 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195007 11 36.5545 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-42 19 23.720 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon253.6297681 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-14.1941028 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

GSC0763800981  (i) GSC designation (Note)   (meta.id;meta.main)
RAJ2000108.30158 deg (i) Right ascension in J2000, epoch of plate (pos.eq.ra;meta.main)
DEJ2000-42.40974 deg (i) Declination in J2000, epoch of plate (pos.eq.dec;meta.main)
PosErr 1.2 arcsec Mean error on position (stat.error)
Pmag11.64 mag (i) photographic magnitude (see n_Pmag) (phot.mag;em.opt)
e_Pmag 0.40 mag Mean error on photographic magnitude (stat.error;phot.mag;em.opt.U)
n_Pmag 0   [0,18] Coded passband for magnitude (Note)   (meta.note)
Class0   [0,3] Class of object (0=star; 3=non-stellar) (src.class)
Plate01FT  Plate designation (Note)   (obs.field)
Epoch1977.054 yr Epoch of plate (Note)   (time.epoch)
MultT   [TF] True if multiple object / False otherwise (meta.code.multip)

VersionsGSC-all  Get parameters of that star from all GSC versions (meta.ref.url)
  
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