VizieR

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

VizieR

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I/220/out The HST Guide Star Catalog, Version 1.1 (Lasker+ 1992)
The Full Catalogue (25258765 positions) (25258765 rows)
  GSC=0916100749
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Note: The Guide Star Catalog has been constructed to support the operational need of the Hubble Space Telescope; it is primarily based on an all-sky, single epoch, single passband collection of Schmidt plates. It contains over 25 million positions for about 19 million objects, of which more than 15 million are classified as stars.

ColumnValue  Explain   (UCD)
_RAJ200005 07 20.5008 "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)
_DEJ2000-68 32 08.700 "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)
_RAB195005 07 32.5105 "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)
_DEB1950-68 35 56.637 "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)
_Glon279.3992678 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-34.5583037 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)

GSC0916100749  (i) GSC designation (Note)   (meta.id;meta.main)
RAJ2000 76.83542 deg (i) Right ascention in J2000, epoch of plate (pos.eq.ra;meta.main)
DEJ2000-68.53575 deg (i) Declination in J2000, epoch of plate (pos.eq.dec;meta.main)
PosErr 0.2 arcsec Mean error on position (stat.error)
Pmag11.78 mag (i) photographic magnitude (see n_Pmag) (phot.mag;em.opt)
e_Pmag 0.35 mag Mean error on photographic magnitude (stat.error)
n_Pmag 6   [0,18] Coded passband for magnitude (Note)   (meta.note)
Class0   [0,3] Class of object (0=star; 3=non-stellar) (src.class)
Plate05ZW  Plate designation (obs.field)
Epoch1987.064 yr Epoch of plate (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)
ColumnValue  Explain   (UCD)
_RAJ200005 07 20.4696 "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)
_DEJ2000-68 32 08.664 "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)
_RAB195005 07 32.4791 "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)
_DEB1950-68 35 56.604 "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)
_Glon279.3992698 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-34.5583522 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)

GSC0916100749  (i) GSC designation (Note)   (meta.id;meta.main)
RAJ2000 76.83529 deg (i) Right ascention in J2000, epoch of plate (pos.eq.ra;meta.main)
DEJ2000-68.53574 deg (i) Declination in J2000, epoch of plate (pos.eq.dec;meta.main)
PosErr 0.2 arcsec Mean error on position (stat.error)
Pmag11.58 mag (i) photographic magnitude (see n_Pmag) (phot.mag;em.opt)
e_Pmag 0.40 mag Mean error on photographic magnitude (stat.error)
n_Pmag 6   [0,18] Coded passband for magnitude (Note)   (meta.note)
Class0   [0,3] Class of object (0=star; 3=non-stellar) (src.class)
Plate06B0  Plate designation (obs.field)
Epoch1979.193 yr Epoch of plate (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)
  
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