VizieR

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VizieR

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J/ApJ/659/585/table1 X-ray classification of young star clusters (Hojnacki+, 2007)
Properties of the 444 COUP sources (444 rows)
  recno=217
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ColumnValue  Explain   (UCD)
_RAJ200005 35 16.3872 "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)
_DEJ2000-05 21 50.605 "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)
_RAB195005 32 48.8923 "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)
_DEB1950-05 23 43.890 "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)
_Glon208.9863456 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-19.3727421 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)
217recno 217  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

COUP 798  COUP source number (linked to data from COUP catalog (Getman et al. 2005, Cat. J/ApJS/160/319)) (Note 1)   (meta.id;meta.main)
Class14   [1-17] X-ray spectral class (see paper) (src.class)
HR2 -0.52   Hardness ratio 2 (0.5-1.7 vs. 1.7-2.8keV) (Note 1)   (phot.flux;arith.ratio)
HR3 -0.36  Hardness ratio 3 (1.7-2.8 vs. 2.8-8.0keV) (Note 1)   (phot.flux;arith.ratio)
NH 21.42 [cm-2] Log Hydrogen column density (Note 1)   (phys.columnDensity)
kT1 0.83 keV Energy of first plasma component (Note 1)   (phys.temperature)
kT2 2.43 keV Energy of second plasma component (Note 1)   (phys.energy)
T1/T2 0.34   Ratio of first and second plasma components (arith.factor;pos.distance)
Teff 3.524 [K] Log of the stellar effective temperature (Note 1)   (phys.temperature.effective)
EWCa -6.7 0.1nm Equivalent width of CaII line in Angstroms (Note 1)   (spect.line.eqWidth)
AV 4.85 mag The visual absorption (Note 1)   (phys.absorption;em.opt.V)
DelK -1.05 mag The Δ(I-K) near-infrared excess (Note 1)   (phot.color.excess)

SimbadSimbad  ask the Simbad data-base about this object
_RA083.81828 deg (i) Position from COUP catalog (Getman et al. 2005, Cat. J/ApJS/160/319) (right ascension part) (pos.eq.ra;meta.main)
_DE-05.36406 deg (i) Position from COUP catalog (Getman et al. 2005, Cat. J/ApJS/160/319) (declination part) (pos.eq.dec;meta.main)
  
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