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VizieR

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I/34/greenw2b Second Greenwich Catalog of Stars for 1925.0 (London 1935)
Part II. Catalogue of Stars reduced without proper motions to the epoch 1925.0 (10587 rows)
  recno=9722
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ColumnValue  Explain   (UCD)
_RAJ200022 23 07.0187 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+55 57 47.525 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 21 14.0137 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+55 42 35.507 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon103.2048508 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 -1.1205042 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)
9722recno 9722  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

No. 9719  Running number with the catalog. (meta.id;meta.main)
dflag    [a] 'a' for supplementary star (meta.note)
BD+55 2737  Bonner Durchmusterung designation (meta.id)
vmag 7.06 mag Visual Magnitude. (Note 1)   (phot.mag;em.opt.V)
vFlag    [-] A minus sign if star is variable. (Note 1)   (meta.code.error)
SpTypeM0  Spectral type. (Note 2)   (src.spType)
RA192522 20 17.71 "h:m:s" (i) Right Ascension 1925.0 (pos.eq.ra;meta.main)
DE1925+55 35 00.6 "d:m:s" (i) Declination 1925.0. (pos.eq.dec;meta.main)
EpRA-190026.0 yr Mean Epoch of RA - 1900.0. (time.epoch)
EpDE-190026.0 yr Mean Epoch of DE - 1900.0. (time.epoch)
o_RA1925 5  No. of Observations of RA. (meta.number)
o_DE1925 5  No. of Observations of DE. (meta.number)
Note    [1234679JLM0RQ] Note (Note 3)   (meta.note)
pmRA -0.7 ms/yr Proper motion in RA. (pos.pm;pos.eq.ra)
pmDE 2 mas/yr Proper motion in DE. (pos.pm;pos.eq.dec)

_RA.icrs22 23 07.02 "h:m:s" (i) Right ascension (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+55 57 47.4 "d:m:s" (i) Declination (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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