VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
I/34
  Second Greenwich Catalog of Stars for 1925.0 (London 1935)
Post annotation
img(gal)
1.I/34/greenw2a(c)Part I. Fundamental Stars reduced with proper motion to the epoch 1925.0 (2111 rows)
2.I/34/greenw2b(c)Part II. Catalogue of Stars reduced without proper motions to the epoch 1925.0 (10587 rows)
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Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
   (ALL)DE1925 "d:m:s" (i) Declination 1925.0, Ep=1925.0. (pos.eq.dec;meta.main)
   (ALL)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
  (1)epDE yr Mean Epoch of DE - 1900.0. (time.epoch)
  (1)epRA yr Mean Epoch of RA - 1900.0. (time.epoch)
   (ALL)No.  Running number with the catalog. (meta.id;meta.main)
   (ALL)Note (char) [12349JQ0-] Notes (Note 3)   (meta.note)
   (ALL)o_DE1925  No. of Observations of DE. (meta.number)
   (ALL)o_RA1925  No. of Observations of RA. (meta.number)
  (1)PGC  (n) Preliminary General Catalog Number. (meta.id)
   (ALL)pmDE mas/yr Proper motion in DE. (pos.pm;pos.eq.dec)
  (1)pmRA .1ms/yr Proper motion in RA. (pos.pm;pos.eq.ra)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)RA1925 "h:m:s" (i) Right Ascension 1925.0, Ep=1925.0 . (pos.eq.ra;meta.main)
   (ALL)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)SpType (char) Spectral type (Note 2)   (src.spType)
  (1)varFlag (char) [-] A minus sign if star is variable (Note 1)   (meta.code.error)
   (ALL)vmag mag (n) Visual Magnitude (Note 1)   (phot.mag;em.opt.V)
  (2)BD (char) Bonner Durchmusterung designation (meta.id)
  (2)dflag (char) [a] 'a' for supplementary star (meta.note)
  (2)EpDE-1900 yr Mean Epoch of DE - 1900.0. (time.epoch)
  (2)EpRA-1900 yr Mean Epoch of RA - 1900.0. (time.epoch)
  (2)pmRA ms/yr Proper motion in RA. (pos.pm;pos.eq.ra)
  (2)vFlag (char) [-] A minus sign if star is variable. (Note 1)   (meta.code.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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