VizieR

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VizieR

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I/154/f1 Astrographic Catalogue, Zones -02 to +31 degrees (Roeser 1990)
Algiers zone (-02,-01,+00,+01,+02,+03,+04) (2026347 rows)
  recno=1894539
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ColumnValue  Explain   (UCD)
_RAJ200000 20 30.85784 "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+30 58 23.9541 "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)
_RAB195000 17 53.75701 "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+30 41 45.3671 "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)
_Glon115.16324264 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-31.43152732 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)
1894539recno 1894539  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ZONE30 deg plate identifier (Note 1)   (meta.id.part;meta.main)
PLATE 3  plate identifier (Note 2)   (meta.id.part;meta.main)
id 728  running number of star on the plate (meta.id.part;meta.main)
RAB195000 17 53.763 "h:m:s" (i) right ascension [B1950] (pos.eq.ra;meta.main)
DEB1950+30 41 45.16 "d:m:s" (i) declination [B1950] (pos.eq.dec;meta.main)
Epoch1903.03 a plate epoch (time.epoch)
mag 8.5 mag photographic magnitude (phot.mag;em.opt)
AGKNO+30 33  AGK3 number (Note)   (meta.id)
SUFFIX   blank (Note)   (meta.note)

_RA.icrs00 20 30.858 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+30 58 23.95 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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