VizieR

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I/310/agk1 AGK1 catalog, -2° 10'=<DE≤+1° 10' (Kortazzi+, 1900)
The AGK1 Catalogue, zone -2°10' to +1° 10' (5954 rows)
  recno=5640
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ColumnValue  Explain   (UCD)
_RAJ200022 25 16.5032 "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+01 22 36.326 "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)
_RAB195022 22 43.3357 "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+01 07 20.399 "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)
_Glon066.0055759 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-44.7394911 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)
5640recno 5640  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

AGK5640  The AGK number of star (meta.id;meta.main)
BD+00 4872  The BD number (meta.id)
vismag 4.8 mag Visual magnitude (phot.mag;em.opt.V)
n_vismag    [nv] n=neb; v=var (meta.note)
RA187522 18 53.57 "h:m:s" (i) Right ascension 1875 (pos.eq.ra;meta.main)
AvarRA 3.0648 s/yr Annual Variation in RA (precession) (pos.precess;pos.eq.ra)
SvarRA-0.0028 s/hyr Secular Variation in RA (2nd term precess.) (pos.precess;pos.eq.ra)
DE1875+00 44 35.6 "d:m:s" (i) Declination 1875 (pos.eq.dec;meta.main)
AvarDE 18.134 arcsec/yr Annual Variation in DEC (precession) (pos.precess;pos.eq.dec)
SvarDE 0.183 arcsec/hyr Secular Variation in DEC (2nd term precess.) (pos.precess;pos.eq.dec)
Nd3  No. of observations in declination (meta.number)
Ep-180080.4 yr Mean epoch - 1800.0 (time.epoch)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)
_RA.icrs22 25 16.50 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+01 22 36.3 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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