VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

Catalog

Looking for catalogs ..
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/275
  The AC 2000.2 Catalogue (Urban+ 2001)
ReadMe+ftp
1998AJ....115.1212U
Similar Catalogs
Post annotation 		img(gal)
1.I/275/ac2002All 4,621,751 stars from the AC2000.2 Catalogue (Detailed introduction) (Note) (4621751 rows)
Detailed introduction can be found in intro.tex (see also http://aries.usno.navy.mil/ad/ac.html) Direct links to Hipparcos and Tycho observations are provided from the relevant columns.

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)
  RAJ2000 "h:m:s" (i) R.A. , at epoch mEp (J2000) (Note 1)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Decl. , at epoch mEp (Note)   (pos.eq.dec;meta.main)
  Bmag mag Observed B magnitude (Note 2)   (phot.mag;em.opt.B)
  mEp yr Mean epoch of position (time.epoch)
  Num  Number of images used for astrometry (meta.number)
  e_RAJ2000 arcsec (n) Standard deviation of Right Ascension (Note 3)   (stat.error;pos.eq.ra)
  e_DEJ2000 arcsec (n) Standard deviation of Declination (Note 3)   (stat.error;pos.eq.dec)
  ACnum  (i) USNO generated identifier (meta.id;meta.main)
  HIP  (n) Hipparcos number (Note 4)   (meta.id)
  m_HIP (char) Hipparcos component identifier (Note 4)   (meta.code.multip)
  TYC2 (char) Tycho-2 identifier (Note 5)   (meta.id)
  Vmag mag (n) V magnitude (Note 2)   (phot.mag;em.opt.V)
  magflg  (n) [1,3] Magnitude warning flag (Note 6)   (meta.code)
  verflg  (n) [1] Verification flag (Note 7)   (meta.code)

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