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J/ApJ/582/382/table1 Chandra X-ray sources in Orion Nebula Cluster (Flaccomio+, 2003)
X-ray sources detected in the Orion Nebula Cluster (742 rows)
  recno=272
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200005 35 14.3400 "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 32.570 "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 46.8587 "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 26.003 "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)
_Glon208.9932924 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-19.3855898 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)
272recno 272  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Xseq272  X-ray source number ([FDM2003] X NNN in Simbad) (meta.id)
RAJ200005 35 14.34 "h:m:s" (i) Source hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-05 22 32.57 "d:m:s" (i) Source degree of Declination (J2000) (pos.eq.dec;meta.main)
e_Pos 0.43 arcsec Statistical uncertainty in RA and DE (stat.error)
S/N 12.45  Detection signal-to-noise ratio (stat.snr)
Cts 48.86 ct X-ray counts (phot.count;em.X-ray)
e_Cts 8.66 ct Uncertainty in Cts (stat.error)
Exp 62.98 ks Effective exposure time (Note 1)   (time.duration;obs.exposure)

XlistXlist  Close Optical sources in table4 (meta.ref.url)
  
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