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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 (911723 rows)
  recno=837889
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Note: Details of surveyed literature

ColumnValue  Explain   (UCD)
_RAJ200021 45 41.4500 "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+01 11 02.500 "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)
_RAB195021 43 08.3614 "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+00 57 10.738 "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)
_Glon057.5896376 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-37.1415428 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)
837889recno 837889  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameSDSS J214541.45+011102.5  Star name as published or valid SIMBAD name (Lortet et al.) (meta.id)
Mag19.62 mag Magnitude, see passband in n_Mag (phot.mag)
n_MagR  Color passband of magnitude (Note 2)   (meta.note)
n_SpType    [+] if spectral type is an MK standard (meta.note)
SpTypeM3  spectral type (MK, HD, or other) (src.spType)
Remarks   Comments (Note 3)   (meta.note)
Bibcode2008AJ....135..785W  Publication Source (meta.bib.bibcode)
RAJ200021 45 41.45 "h:m:s" (i) Right Ascension (J2000) hour (pos.eq.ra;meta.main)
DEJ2000+01 11 02.5 "d:m:s" (i) Declination (J2000) degree (pos.eq.dec;meta.main)
rcS  Source of coordinates (Note 1)   (meta.ref;pos.frame)

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