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=17340
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ColumnValue  Explain   (UCD)
_RAJ200020 17 47.2 "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+38 01 41 "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)
_RAB195020 15 56.6 "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+37 52 17 "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)
_Glon075.8227 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 +1.3165 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)
17340recno 17340  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

count 1  Counter within a group of records (Note)   (meta.number)
HD193237  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)
RA190020 14.1 "h:m:s" (i) Right ascension hours (1900.0) (pos.eq.ra;meta.main)
DE1900+37 43 "d:m:s" (i) Declination degrees (1900.0) (pos.eq.dec;meta.main)
mag 4.9 mag Magnitude (accuracy is uncertain) (Note)   (phot.mag;em.opt)
SpB1P  MK Spectral type (Note)   (src.spType)
note049 538 727 728 729  References and notes (Note)   (meta.note)
com    [* ] Asterisk indicates corrected value (meta.note)
cnt 17247  Counter from hard copy catalog (Note)   (meta.number)

_RA.icrs20 17.8 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+38 02 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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