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J/ApJ/582/382/table4 Chandra X-ray sources in Orion Nebula Cluster (Flaccomio+, 2003)
Catalog of the ONC optical sample (696 rows)
  recno=428
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200005 35 19.4000 "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 22 21.570 "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 51.9153 "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 24 14.637 "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)
_Glon209.0004704 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-19.3654877 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)
428recno 428  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Oseq428  Reference number ([FDM2003] Opt NNN in Simbad) (meta.id)
RAJ200005 35 19.40 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-05 22 21.57 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
Mass 0.12 solMass Mass (phys.mass)
logAge 5.87 [yr] Log of the Age (time.age)
Prot  d Rotation period (time.period)
EW 21.40 0.1nm Ca II 8542Å equivalent width (Note 1)   (spect.line.eqWidth)
l_CRate<  Limit flag on CRate (meta.code.error)
CRate 0.19 ct/ks Basal HRC Count Rate (phot.count;em.X-ray)
l_logXLum<  Limit flag on XLum (meta.code.error)
logXLum29.13 [10-7W] Log of the X-ray luminosity (phys.luminosity;em.X-ray)
l_logX/bol<  Limit flag on X/bol (meta.code.error)
logX/bol-3.53 [-] Log of the X-ray to bolometric luminosity ratio (phys.luminosity;arith.ratio)

XlistXlist  Close X-ray sources in table1 (meta.ref.url)
  
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