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VizieR

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J/A+A/624/A63/list W51 OB stars NIR spectroscopy (Bik+, 2019)
Spectroscopically classified OB stars in W51 (table 3) with spectra
spectrum/fits
spectrum
(16 rows)
  recno=1
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200019 22 14.3900 "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+14 03 09.000 "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)
_RAB195019 19 56.2286 "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+13 57 21.802 "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)
_Glon048.9161616 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 -0.2845785 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)
1recno 1  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

No 1   [1/16] Seauential number (meta.id)
n_No    [ac] Note on No (Note 1)   (meta.note)
ObsIDOBS7slit08  Observation ID (meta.id;obs)
FieldIV  Field designation (meta.id;meta.main)
RAJ200019 22 14.39 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+14 03 09.0 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
Jmag11.58 mag SOFI/NTT J magnitude (phot.mag;em.IR.J)
e_Jmag 0.01 mag rms uncertainty on Jmag (stat.error;phot.mag;em.IR.J)
Hmag10.63 mag SOFI/NTT H magnitude (phot.mag;em.IR.H)
e_Hmag 0.01 mag rms uncertainty on Hmag (stat.error;phot.mag;em.IR.H)
Ksmag10.04 mag SOFI/NTT Ks magnitude (phot.mag;em.IR.K)
e_Ksmag 0.01 mag rms uncertainty on Ksmag (stat.error;phot.mag;em.IR.K)
SpTypeO3V-O5V  Spectral type (Note 2)   (src.spType)

spsp  Show the spectrum (meta.ref.url)

Nx2048  Number of pixels along X-axis (meta.number)
Obs.date2012-10-10T03:00:12 s Observation date (time.epoch;obs)
blambda20294.6 0.1nm Lower value of wavelength interval (em.wl)
Blambda23618.2 0.1nm Upper value of wavelength interval (em.wl)
dlambda 1.62368 0.1nm Wavelength resolution (spect.resolution)
size48 Kibyte Size of FITS file (phys.size;meta.fits)
FileNameobject1.fits  Name of the fits spectrum in subdirectory fits (meta.id;meta.fits)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
  
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