VizieR

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VizieR

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III/18B/mkclass Stellar Spectra Classified in Morgan-Keenan System (Jaschek+ 1964)
Catalog Data (20849 rows)
  recno=1603
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ColumnValue  Explain   (UCD)
_RAJ200001 54 36.9 "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+20 48 31 "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)
_RAB195001 51 51.2 "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+20 33 48 "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)
_Glon142.2375 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-39.6831 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)
1603recno 1603  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

count 5  Counter within a group of records (Note)   (meta.number)
HD   HD number (meta.id)
m_HD   Additional designation or alternate number (meta.code.multip)
DM   Ducrhmusterung designation (meta.id)
m_DM   Additional designation (meta.code.multip)
name   Alternative name (meta.id;meta.main)
RA190001 49.1 "h:m:s" (i) Right ascension hours (1900.0) (pos.eq.ra;meta.main)
DE1900+20 19 "d:m:s" (i) Declination degrees (1900.0) (pos.eq.dec;meta.main)
mag 2.7 mag Magnitude (accuracy is uncertain) (Note)   (phot.mag;em.opt)
Sp   MK Spectral type (Note)   (src.spType)
note641 646 665 677 687  References and notes (Note)   (meta.note)
com    [* ] Asterisk indicates corrected value (meta.note)
cnt 1597  Counter from hard copy catalog (Note)   (meta.number)

_RA.icrs01 54.6 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+20 49 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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