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  I/131A
SAO Star Catalog J2000 (SAO Staff 1966; USNO, ADC 1990)   Footprint-I/131A(gal)
1.I/131A/sao The SAO J2000.0 catalogue (258997 rows)
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  Query by Position on the Sky  (Adapt Form to use a List of targets)
Target Name (resolved by Simbad) or Position:

Position in Sexagesimal, or Decimal °
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  Output preferences for Position:
  rx,yPositionGalactic  J2000    B1950  Ecl.J2000  none
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r and x,y are the distance to the Target;
Position is in the same coordinate system as Target.
  Query by Constraints applied on Columns
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number within the original table (starting from 1)   (meta.record)   (RECORD)
  SAO   [1/258997] SAO Catalog number   (meta.id;meta.main)   (ID_MAIN)
  delFlag (char) [D] if star deleted (ignore all fields)   (meta.code)   (CODE_MISC)
  RAB1950 "h:m:s" Hours RA, Equinox=B1950, Epoch=1950.0   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
  pmRA s/a Annual proper motion in RA, FK4 system   (pos.pm;pos.eq.ra)   (POS_EQ_PMRA)
  e_pmRA mas/a Standard deviation in pmRA   (stat.error)   (ERROR)
  RA2mf (char) [+-] '+', add 1, or '-', substract 1, RA minute: indication that the minutes of time associated with the seconds portion RA2 must be increased or decreased by 1   (meta.note)   (NOTE)
  RA2s s Seconds portion of RA, original epoch, precessed to B1950   (pos.eq.ra)   (POS_EQ_RA_OTHER)
  e_RA2s 10mas Standard deviation of RA2   (stat.error)   (ERROR)
  EpRA2 a Epoch of RA2 (RA original epoch)   (time.epoch)   (TIME_EPOCH)
  DEB1950 "d:m:s" Degrees Dec, equinox B1950, Epoch=1950.0   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)

ALL cols
    
   
  pmDE arcsec/a (n) Annual proper motion in Dec, FK4 system (Note 10)   (pos.pm;pos.eq.dec)   (POS_EQ_PMDEC)
  e_pmDE mas/a Standard deviation of Dec proper motion   (stat.error)   (ERROR)
  DE2mf (char) [+-] '+', add 1, or '-', substract 1: Indication that the arcminutes associated with DE2 must be increased or decreased by 1   (meta.note)   (NOTE)
  DE2s arcsec Seconds of Declination, original epoch, precessed to B1950   (pos.eq.dec)   (POS_EQ_DEC_OTHER)
  e_DE2s 10mas Standard deviation of DE2   (stat.error)   (ERROR)
  EpDE2 a Epoch of DE2 (Declinaation original epoch)   (time.epoch)   (TIME_EPOCH)
  e_Pos 10mas Standard deviation of position at epoch 1950.0   (stat.error)   (ERROR)
  Pmag mag (n) []? Photographic magnitude   (phot.mag;em.opt.B)   (PHOT_PHG_B)
  Vmag mag (n) []? Visual magnitude   (phot.mag;em.opt.V)   (PHOT_MAG_V)
  SpType (char) Spectral type, '+++' for composite spectra   (src.spType)   (SPECT_TYPE_GENERAL)
  r_Vmag  Coded source of visual magnitude (Note 1)   (meta.ref)   (REFER_CODE)
  r_Num  Coded source of star number and footnotes (Note 2)   (meta.ref)   (REFER_CODE)
  r_Pmag  Coded source of photographic magnitude (Note 3)   (meta.ref)   (REFER_CODE)

ALL cols
    
(n) indicates a possible blank or NULL column  
  r_pmRA  Coded source of proper motions (Note 4)   (meta.ref)   (REFER_CODE)
  r_SpType  Coded source of spectral type (Note 5)   (meta.ref)   (REFER_CODE)
  Rem  Coded remarks duplicity and variability (Note 6)   (meta.code;src.var)   (CODE_VARIAB)
  a_Vmag  Accuracy of V: 0 = 2 decimals, 1=1 decimal   (meta.code.qual)   (CODE_QUALITY)
  a_Pmag  Accuracy of Ptg: 0 = 2 decimals, 1=1 decimal   (meta.code.qual)   (CODE_QUALITY)
  r_Cat  Code for source catalog (Note 7)   (meta.ref)   (REFER_CODE)
  CatNum  Number in source catalog   (meta.id)   (ID_ALTERNATIVE)
  DM (char) Durchmusterung identification (Note 9)   (meta.id)   (ID_ALTERNATIVE)
  HD (char) Henry Draper Catalog (HD or HDE) number (A6) (Catalogue III/135)   (meta.id)   (ID_ALTERNATIVE)
  m_HD (char) HD component and multiple code (Note 8)   (meta.code.multip)   (CODE_MULT_INDEX)
  GC (char) Boss General Catalog (GC) number (Catalogue I/113)   (meta.id)   (ID_ALTERNATIVE)
  RA2000 "h:m:s" Hours RA, equinox, epoch J2000.0   (pos.eq.ra)   (POS_EQ_RA_OTHER)
  pmRA2000 s/a Annual proper motion in FK5 system   (pos.pm;pos.eq.ra)   (POS_EQ_PMRA)
  DE2000 "d:m:s" Degrees Dec, equinox, epoch J2000.0   (pos.eq.dec)   (POS_EQ_DEC_OTHER)
  pmDE2000 arcsec/a (n) Annual proper motion in FK5 system (Note 10)   (pos.pm;pos.eq.dec)   (POS_EQ_PMDEC)

ALL cols
  
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