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

  
III/170B
  IRAS Point Source Identifications (MacConnell, 1993; rev. 2009)
ReadMe+ftp
1993yCat.3170.....M
Similar Catalogs
Post annotation 		img(gal)
1.III/170B/ps_class(c)The catalog of identifications, 2009 Version ( (14189 rows)
2.III/170B/mac_iras(c)*Cross-identifications and remarks by B. Skiff (notes by B. Skiff) (Note) (13099 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)n_IRAS (char) M identifies more cross-identifications and details by B. Skiff (meta.ref.url)
   (ALL)IRAS (char) (i) IRAS-PSC Name (Cat. II/125) (meta.id;meta.main)
  (1)Class (char) Classification of the star and comments (<M means "M2 or earlier") (meta.code.class;src.class)
  (1)Off arcsec (n) Offset from IRAS position (pos;arith.diff)
  (1)Dir (char) [NSEW ] Direction of offset from IRAS position (pos.posAng)
  (1)Plate  Plate number (meta.id;instr.plate)
  (1)n_Plate (char) [lms] Note on Exposure/Plate (Note 1)   (meta.note)
  (1)den  (n) [0,20] Density on a scale of 0 to 20 (instr.param)
  (1)u_den (char) [:?v] Uncertainty flag (:) on den (meta.code.error)
   (ALL)Remarks (char) Cross-identifications and remarks (Note 2)   (meta.note)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1)_RA deg (n)(i) Position from IRAS Point Source Catalog (Cat. II/125) (right ascension part) (pos.eq.ra;meta.main)
  (1)_DE deg (n)(i) Position from IRAS Point Source Catalog (Cat. II/125) (declination part) (pos.eq.dec;meta.main)
  (2)f_IRAS (char) [*!] additional note in file notes.htx (*), or the optical source differs from IRAS (!)
  (2)RAJ2000 "h:m:s" (i) Right Ascension J2000 (meta.ref)
  (2)DEJ2000 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
  (2)r (char) [BDGgIMTUXs] Origin of position (Note 1)   (meta.ref;pos.frame)
  (2)GSC (char) GSC designation (Cat. I/254) (meta.id.cross)
  (2)MSX6C (char) Designation in MSX6C (Cat. V/114) (meta.id.cross)
  (2)Vmag mag (n) Visual magnitude (indicative) (phot.mag;em.opt.V)
  (2)Sp (char) Spectral class (src.spType)
  (2)n_Sp (char) [r] 'r' for spectrum significantly reddened (meta.note)
  (2)2M (char) Display the 2MASS data (Cutri et al. 2003, Cat. II/246) (meta.ref.url)

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