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===0675-13305963
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 USNO-A1.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory; it is superseded by the new PMM-USNO-A2.0 version.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)
_RAJ200017 31 59.78808 "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)
_DEJ2000-19 13 55.0416 "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)
_RAB195017 29 02.90890 "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)
_DEB1950-19 11 46.5033 "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)
_Glon 6.60457371 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 7.77499477 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-A1.00675-13305963  (i) Original designation in USNO-A1.0 catalogue (Note)   (meta.id;meta.main)
RA(ICRS)262.999117 deg (i) Right ascension (ICRS) mean of blue/red plates (pos.eq.ra;meta.main)
DE(ICRS)-19.231956 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)
Bmag18.0 mag Magnitude from blue plate (phot.mag;em.opt.B)
Rmag16.8 mag Magnitude from red plate (phot.mag;em.opt.R)
Epoch1954.583 yr Mean epoch of position (Note)   (time.epoch)
  
elapse time 1

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