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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

  
J/A+A/544/A31
  Star catalogues of Ptolemaios, Ulugh Beg (Verbunt+, 2012)
Post annotation
img(gal)
1.J/A+A/544/A31/ptolema(c)Star Catalogue of Ptolemaios (137) (1028 rows)
2.J/A+A/544/A31/ulughbeg(c)Star Catalogue of Ulugh Beg (1437) (1018 rows)
Help Xmatch is

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
   (ALL)C   [1/48] Constellation sequence number (meta.id)
   (ALL)cst (char) Abbreviation of constellation name (meta.id)
   (ALL)Db arcmin Difference in latitude (Hipparcos-Ptolemaios) (pos;arith.diff)
   (ALL)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) at Epoch=J-128. (computed by VizieR, not part of the original data) (pos.eq.dec)
   (ALL)dist arcmin Distance Δ between Ptolemaios and Hipparcos positions (pos;arith.diff)
   (ALL)Dl arcmin Difference in longitude (Hipparcos-Ptolemaios) (pos;arith.diff)
   (ALL)Elat "d:m:s" [0/90] Ecliptic latitude (Note 2)   (pos.ecliptic.lat)
   (ALL)Elon "d:m:s" Ecliptic longitude (Note 1)   (pos.ecliptic.lon)
   (ALL)Flag (char) [*] Flag for annotation in article (meta.code.error)
  (1)f_N (char) [a] 'a' for star outside the constellation figure (meta.code)
   (ALL)HIP  (n) Hipparcos number of identification (meta.number)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)I   [1/6] Quality of identification flag (Note G2)   (meta.code)
   (ALL)N   [1/45] Sequence number of star in constellation (meta.id)
   (ALL)P   [1/1028] Sequence number in Ptolemaios Catalogue (meta.id;meta.main)
  (1)q_VP (char) [bf] brighter/fainter qualifier by Ptolemaios (Note G1)   (meta.code.qual)
   (ALL)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) at Epoch=J-128. (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)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1)T   [0/3] Comparison flag with Toomer (Note 4)   (meta.code.error)
   (ALL)Vmag mag Johnson V magnitude (from Hipparcos) (phot.mag;em.opt.V)
  (1)VP   [1/9] Magnitude as given by Ptolemaios (Note 3)   (phot.mag;em.opt)
  (2)I-P   [0/3] Comparison flag with Ptolemaios (Note 5)   (meta.code)
  (2)K   [0/3] Comparison flag with Knobel (Note 4)   (meta.code)
  (2)n_N (char) [a] 'a' for star outside the constellation figure (meta.note)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)n_U (char) [c] 'c' when the position is derived from Ptolemaios via al-Sufi (meta.note)
  (2)q_VU (char) [bf] brighter/fainter qualifier by Ulugh Beg (Note G1)   (meta.code.qual)
  (2)U   [1/1018] Sequence number in Ulugh Beg Catalogue (meta.id;meta.main)
  (2)VU  Magnitude as given by Ulugh Beg (Note 3)   (phot.mag;em.opt)

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