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I/171
 Astrographic Catalog Reference Stars (ACRS) (Corbin+ 1991)
ReadMe+ftp
Similar Catalogs
Post annotation 		img(gal)
1.I/171/acrs1The ACRS catalog, grouping 250052 reliable stars and 70159 stars with poor observational history (320211 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  PartNum  Catalog part number: 1 for the more relaible stars, 2 for the tars with poor observational history (meta.id;meta.dataset)
  ACRS   [1,570159] ACRS sequential number (Note)   (meta.id;meta.main)
  RAB1950 "h:m:s" Hours RA, equinox=B1950, Epoch=B1950.0 (pos.eq.ra;meta.main)
  DEB1950 "d:m:s" Degrees Dec, equinox, epoch B1950.0 (pos.eq.dec;meta.main)
  e_RAB1950 ms (n)Mean error in RA at original epoch (stat.error;pos.eq.ra)
  e_DEB1950 10mas (n)Mean error in Dec at original epoch (stat.error;pos.eq.dec)
  pmRA ms/yr RA proper motion, FK4 system (pos.pm;pos.eq.ra)
  pmDE mas/yr DE proper motion, FK4 system (pos.pm;pos.eq.dec)
  e_pmRA ms/yr (n)Mean error on pmRA (stat.error;pos.pm;pos.eq.ra)
  e_pmDE mas/yr (n)Mean error on pmDE (stat.error;pos.pm;pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column  
  EpRA yr Original epoch of RA (epoch of mean position) (time.epoch)
  EpDE yr Original epoch of DE (epoch of mean position) (time.epoch)
  o_RAB1950  Number of positions in RA (meta.number)
  o_DEB1950  Number of positions in DE (meta.number)
  w_RAB1950  Sum of the weights in RA (stat.weight)
  w_DEB1950  Sum of the weights in DE (stat.weight)
  Pmag mag (n) [140/1350] Photographic magnitude (phot.mag;em.opt)
  SpType (char) Spectral type (src.spType)
  BD (char) Bonner Durchmusterung number I/122 (meta.id)
  CD (char) Cordoba Durchmusterung number I/114 (meta.id)
  CP (char) Cape Photographic Durchmusterung I/108 (meta.id)
  AGK3 (char) AGK3 number I/61 (meta.id)
  CPC2 (char) Second Cape Photograpic Catalog I/85 (meta.id)
  ACRSJ (char) ACRS number, ACRS Jhhmmss.ssSddmmss.s (Note)   (meta.id)
  RA2000 "h:m:s" Hours RA, Equinox=J2000, Epoch=J2000 (Note)   (time.epoch;pos.eq.ra)
  pmRA2000 ms/yr Centennial RA proper motion, J2000.0 (pos.pm;pos.eq.ra)
  DE2000 "d:m:s" Degrees Dec, equinox, epoch J2000.0 (time.epoch;pos.eq.dec)
  pmDE2000 mas/yr Centennial Dec proper motion, J2000.0 (pos.pm;pos.eq.dec)
  _RA.icrs "h:m:s" (n)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 "d:m:s" (n)Declination (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)

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