VizieR

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

VizieR

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I/243/out The PMM USNO-A1.0 Catalogue (Monet 1997)
The Full Catalogue (488006860 rows)
  USNO-A1.0===1350-08089912
Post annotation about this record

Note: USNO-A1.0 contains 488,006,860 sources, and was compiled from the blue/red overlaps of the detection lists generated from scans of POSS-I O and E plates (>=-30°) and SRC-J and ESO-R plates (<=-35°). USNO-A1.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory; it is superseded by the new PMM-USNO-A2.0 version.
The VizieR search engine uses an on-line compressed version (3.4Gbytes) which was generated at CDS.

ColumnValue  Explain   (UCD)
_RAJ200011 18 10.82736 "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+48 02 12.5628 "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)
_RAB195011 15 23.08028 "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+48 18 36.5793 "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)
_Glon157.66074361 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 62.32052142 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)

USNO-A1.01350-08089912  (i) Original designation in USNO-A1.0 catalogue (Note)   (meta.id;meta.main)
RA(ICRS)169.545114 deg (i) Right ascension (ICRS) mean of blue/red plates (pos.eq.ra;meta.main)
DE(ICRS) 48.036823 deg (i) Declination (ICRS) mean of blue/red plates (pos.eq.dec;meta.main)
GSCflag    [G] 'G' when star belongs to GSC (Cat. I/220) (meta.note)
Mflag    [*] '*' magnitudes are probably wrong (meta.code)
Bmag20.1 mag Magnitude from blue plate (phot.mag;em.opt.B)
Rmag18.8 mag Magnitude from red plate (phot.mag;em.opt.R)
Epoch1953.187 yr Mean epoch of position (Note)   (time.epoch)
  
elapse time 0

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