VizieR

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VizieR

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I/34/greenw2a Second Greenwich Catalog of Stars for 1925.0 (London 1935)
Part I. Fundamental Stars reduced with proper motion to the epoch 1925.0 (2111 rows)
  recno=477
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ColumnValue  Explain   (UCD)
_RAJ200005 16 18.14378 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+34 18 43.3921 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195005 12 59.77191 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+34 15 24.7960 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon172.08213904 deg Galactic longitude at Epoch=J1925, proper motions taken into account (pos.galactic.lon)
_Glat -2.25968644 deg Galactic latitude at Epoch=J1925, proper motions taken into account (pos.galactic.lat)
477recno 477  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

No. 477  Running number with the catalog. (meta.id;meta.main)
PGC1249   Preliminary General Catalog Number. (meta.id)
vmag 5.30 mag Visual Magnitude (Note 1)   (phot.mag;em.opt.V)
varFlag-   [-] A minus sign if star is variable (Note 1)   (meta.code.error)
SpTypeB0p  Spectral type (Note 2)   (src.spType)
RA192505 11 20.710 "h:m:s" (i) Right Ascension 1925.0, Ep=1925.0 . (pos.eq.ra;meta.main)
DE1925+34 13 40.15 "d:m:s" (i) Declination 1925.0, Ep=1925.0. (pos.eq.dec;meta.main)
epRA 0.5 yr Mean Epoch of RA - 1900.0. (time.epoch)
epDE 0.5 yr Mean Epoch of DE - 1900.0. (time.epoch)
o_RA1925252  No. of Observations of RA. (meta.number)
o_DE1925252  No. of Observations of DE. (meta.number)
Note    [12349JQ0-] Notes (Note 3)   (meta.note)
pmRA -5 .1ms/yr Proper motion in RA. (pos.pm;pos.eq.ra)
pmDE 33 mas/yr Proper motion in DE. (pos.pm;pos.eq.dec)

_RA.icrs05 16 18.180 "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+34 18 40.91 "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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