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

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 USNO-A1.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory; it is superseded by the new PMM-USNO-A2.0 version.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.

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*Column*	*Value*		*Explain (UCD)*
_RAJ2000	17 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) (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) (POS_EQ_DEC)
_RAB1950	17 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) (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) (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) (POS_GAL_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) (POS_GAL_LAT)

USNO-A1.0	0675-13305963		⁽ⁱ⁾ Original designation in USNO-A1.0 catalogue (Note) (meta.id;meta.main) (ID_MAIN)
RA(ICRS)	262.999117	deg	⁽ⁱ⁾ Right ascension (ICRS) mean of blue/red plates (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DE(ICRS)	-19.231956	deg	⁽ⁱ⁾ Declination (ICRS) mean of blue/red plates (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
GSCflag			[G] 'G' when star belongs to GSC (Cat. I/220) (meta.note) (NOTE)
Mflag			[] '' magnitudes are probably wrong (meta.code) (CODE_MISC)
Bmag	18.0	mag	Magnitude from blue plate (phot.mag;em.opt.B) (PHOT_MAG_B)
Rmag	16.8	mag	Magnitude from red plate (phot.mag;em.opt.R) (PHOT_PHG_R)
Epoch	1954.583	yr	Mean epoch of position (Note) (time.epoch) (TIME_EPOCH)

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