VizieR

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VizieR

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J/ApJ/879/112/table2 Chandra multi-epoch study of the spiral gal. NGC7331 (Jin+, 2019)
Chandra source properties (55 rows)
  recno=18
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ColumnValue  Explain   (UCD)
_RAJ200022 37 03.32300 "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+34 25 52.5000 "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)
_RAB195022 34 45.88928 "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+34 10 17.2989 "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)
_Glon093.72833370 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-20.70949309 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)
18recno 18  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Seq18   [1/55] Source number (meta.id;meta.main)
RAJ200022 37 03.323 "h:m:s" (i) [22] Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+34 25 52.50 "d:m:s" (i) [34] Degree of Declination (J2000) (pos.eq.dec;meta.main)
Ncts 11 ct [9/1437] Net counts (Note 1)   (phot.count;em.X-ray)
CR 0.04 10-2ct/s [0.04/5.2] Count rate (Note 2)   (phot.count;em.X-ray)
e_CR 0.02 10-2ct/s [0.02/0.3] Lower uncertainty in CR (Note 2)   (stat.error)
E_CR 0.02 10-2ct/s [0.02/0.3] Upper uncertainty in CR (Note 2)   (stat.error;stat.max)
Flux 0.50 10-14mW/m2 [0.4/63] Flux; 10–14erg/s/cm2 (Note 3)   (phot.flux;em.X-ray)
e_Flux 0.75 10-14mW/m2 [0.1/2.8] Lower uncertainty in Flux (stat.error;phot.flux)
E_Flux 0.75 10-14mW/m2 [0.2/3] Upper uncertainty in Flux (stat.error;stat.max)
Lx 1.3e+38 10-7W [1e+38/1.7e+40] X-ray luminosity; erg/s (Note 4)   (phys.luminosity;em.X-ray)
Class   Class (Note 5)   (meta.code.class)
  
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