VizieR

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VizieR

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B/mk/mktypes Catalogue of Stellar Spectral Classifications (Skiff, 2009- )
The catalog of MK Spectral Types (888588 rows)
  recno=420281
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Note: Details of surveyed literature

ColumnValue  Explain   (UCD)
_RAJ200010 01 40.4300 "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+17 24 32.800 "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)
_RAB195009 58 56.1525 "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+17 39 01.147 "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)
_Glon217.7972950 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+49.7407344 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)
420281recno 420281  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameBD+18 2307  Star name as published or valid SIMBAD name (Lortet et al.) (meta.id)
Mag 9.70 mag Magnitude, see passband in n_Mag (phot.mag)
n_MagV  Color passband of magnitude (Note 2)   (meta.note)
n_SpType    [+] if spectral type is an MK standard (meta.note)
SpTypeK0n  spectral type (MK, HD, or other) (src.spType)
Remarks   Comments (Note 3)   (meta.note)
Bibcode1975MmRAS..79..131H  Publication Source (meta.bib.bibcode)
RAJ200010 01 40.43 "h:m:s" (i) Right Ascension (J2000) hour (pos.eq.ra;meta.main)
DEJ2000+17 24 32.8 "d:m:s" (i) Declination (J2000) degree (pos.eq.dec;meta.main)
rcU  Source of coordinates (Note 1)   (meta.ref;pos.frame)

SimbadSimbad  ask the SIMBAD data-base about this object (meta.ref)
  
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