VizieR

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VizieR

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III/106/catalog MK Classification of Visual Multiples (Abt, 1981)
MK Classifications of visual multiples (catalog completed with positions) (867 rows)
  recno=631
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200017 10 22.7000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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)
_DEJ2000-15 43 30.000 "d:m:s" Declination (FK5, Equinox=J2000.0) (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)
_RAB195017 07 30.6050 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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)
_DEB1950-15 39 48.603 "d:m:s" Declination (FK4, Equinox=B1950.0) (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)
_Glon006.7213824 deg Galactic longitude (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+14.0077416 deg Galactic latitude (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)
631recno 631  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

McatADS  Multiple star catalog name (ADS, Fin, Kui, B) (meta.id;meta.dataset)
ID10374  Number in Mcat catalog (meta.id)
m_IDAB  Component designation (Note 1)   (meta.code.multip)

Ns 1  Number of stars in the system (meta.number)

NameHD 155125  Name of the star (mainly HD) (meta.id;meta.main)
SpA2IVs  MK Spectral classification (src.spType)
NoteEta Oph; A2 V (Cowley et al 1969AJ.....74..375C)  Names and selected published types (Note 2)   (meta.note)

RAJ200017 10 22.70 "h:m:s" (i) Right Ascension J2000 (pos.eq.ra;meta.main)
DEJ2000-15 43 30.0 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)

rPosT   [TUM-] Source of position (Note 1)   (meta.ref;pos.frame)
Vmag 2.4 mag Rounded visual magnitude (phot.mag;em.opt.V)

Remarketa Oph, 0".5 pair  Additional remarks by B. Skiff. (Note 2)   (meta.note)
SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
  
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