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III/135A/catalog Henry Draper Catalogue and Extension (Cannon+ 1918-1924; ADC 1989)
Henry Draper catalogue (272150 rows)
  recno=166802
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ColumnValue  Explain   (UCD)
_RAJ200018 12 03.4 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J1900. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+06 50 24 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J1900. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195018 09 37.7 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1900. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+06 49 37 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1900. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon034.6056 deg Galactic longitude at Epoch=J1900. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+11.8529 deg Galactic latitude at Epoch=J1900. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
166802recno 166802  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD166802  (i) [1/272150] Henry Draper Catalog (HD) number (meta.id;meta.main)
DMBD+06 3649  Durchmusterung identification (Note 1)   (meta.id)
RAB190018 07.2 "h:m:s" (i) Hours RA, equinox B1900, epoch 1900.0 (pos.eq.ra;meta.main)
DEB1900+06 49 "d:m:s" (i) Degrees Dec, equinox B1900, epoch 1900.0 (pos.eq.dec;meta.main)
q_Ptm    [0/1] Code for Ptm: 0 = measured, 1 = value inferred from Ptg and spectral type (meta.code.qual)
Ptm20.00 mag Photovisual magnitude (Note 2)   (phot.mag;em.opt.V)
n_Ptm    [C] 'C' if Ptm is combined value with Ptg (meta.note)
q_Ptg    [0/1] Code for Ptg: 0 = measured, 1 = value inferred from Ptm and spectral type (meta.code.qual)
Ptg20.00 mag Photographic magnitude (Note 2)   (phot.mag;em.opt)
n_Ptg    [C] 'C' if Ptg is combined value for this entry and the following or preceding entry (meta.note)
SpTPd  Spectral type (spectral types P are generally nebulae) (src.spType)
Int 3   [ 0-9B] Photographic intensity of spectrum (Note 3)   (phot.count;em.opt)
RemR   [DEGMR*] Remarks, see note (Note 4)   (meta.note)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
_RA.icrs18 12.1 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+06 50 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
TychoTycho  Cross-identification with Tycho-2 (Cat. IV/25) (meta.ref.url)
  
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