VizieR

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VizieR

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III/42/catalog Selected MK Spectral Types (Jaschek, 1978)
The catalog of Selected MK Types (30361 rows)
  recno=2344
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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)
2344recno 2344  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Number 1203  Running number in one of the original catalogues (meta.id)
catJ   [JK] Original catalogue: J or K (Note)   (meta.id)
Name 11636  Identification of the star (generally HD or DM number) (meta.id;meta.main)
RA190001 49.1 "h:m:s" (i) Right Ascension 1900 (pos.eq.ra;meta.main)
DE1900+20 19 "d:m:s" (i) Declination 1900 (pos.eq.dec;meta.main)
Vmag 2.70 mag V magnitude (Note)   (phot.mag;em.opt.V)
n_Vmag    [V] 'V' for variability (meta.note)
MK****  Source and ID of available MK types (meta.id;src.spType)
Ref 65  Reference number in the original catalogue (meta.id)
SpType A5. V SB  Selected MK spectral classification (src.spType)
q_SpType    [A-D] Quelity of the classification, A=best (meta.code.qual;src.spType)
Disp 60 10-7 Dispersion used (in Angstroem/mm at Hγ) for the selected classification and system (Note)   (instr)
RefCode53...127  Bibliographical coded Number, used for the BSI (Spite et al., 1980) (meta.ref;pos.frame)
BibCode1953ApJ...117..313J  Standardized bibliographical code (meta.bib.bibcode)

_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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