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  Henry Draper Catalogue and Extension (Cannon+ 1918-1924; ADC 1989)
Post annotation
1.III/135A/catalogHenry Draper catalogue (272150 rows)

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)
  HD  (i) [1/272150] Henry Draper Catalog (HD) number (;meta.main)
  DM (char) Durchmusterung identification (Note 1)   (
  RAB1900 "h:m:s" (i) Hours RA, equinox B1900, epoch 1900.0 (pos.eq.ra;meta.main)
  DEB1900 "d:m:s" (i) Degrees Dec, equinox B1900, epoch 1900.0 (pos.eq.dec;meta.main)
  q_Ptm  (n) [0/1] Code for Ptm: 0 = measured, 1 = value inferred from Ptg and spectral type (meta.code.qual)
  Ptm mag (n) Photovisual magnitude (Note 2)   (phot.mag;em.opt.V)
  n_Ptm (char) [C] 'C' if Ptm is combined value with Ptg (meta.note)
  q_Ptg  (n) [0/1] Code for Ptg: 0 = measured, 1 = value inferred from Ptm and spectral type (meta.code.qual)
  Ptg mag (n) Photographic magnitude (Note 2)   (phot.mag;em.opt)
  n_Ptg (char) [C] 'C' if Ptg is combined value for this entry and the following or preceding entry (meta.note)
  SpT (char) Spectral type (spectral types P are generally nebulae) (src.spType)
  Int (char) [ 0-9B] Photographic intensity of spectrum (Note 3)   (phot.count;em.opt)
  Rem (char) [DEGMR*] Remarks, see note (Note 4)   (meta.note)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA.icrs "h:m:s" (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs "d:m:s" (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  Tycho  Cross-identification with Tycho-2 (Cat. IV/25) (meta.ref.url)

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