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VizieR

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J/ApJS/224/40/table5 Catalog of Chandra ACIS point like sources (Wang+, 2016)
Independent X-ray sources and their average properties in multiple observations (218789 rows)
  CXOGSG===J004241.8+405155
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ColumnValue  Explain   (UCD)
_RAJ200000 42 41.800 "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+40 51 55.00 "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)
_RAB195000 39 57.716 "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+40 35 29.41 "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)
_Glon121.149927 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-21.976224 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)
485recno 485  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Group 1   [1/4953] Group Number (meta.id)
CXOGSGJ004241.8+405155  (i) Source name (JHHMMSS.s+DDMMSS) (meta.id;meta.main)

Nobs 11  Number of observations for this source (meta.number)

f_CXOGSG*   [*] Projected overlapping galaxies flag (Note 1)   (meta.code)
ePos 1.00 arcsec [1/36] Statistical positional error after Kim et al. (2007, J/ApJS/169/401) (stat.error)
GNameNGC221-X2  Galaxy source names numbered sequentially based on maximum detection significance (meta.id)
Sep 0.012 arcmin [0.002/641] Galaxy source nuclear separation (pos.angDistance)
SepR 0.00   [0/3] Galaxy source nuclear separation in units of the galaxy's elliptical radius (pos.angDistance)
Dist 0.8100 Mpc [-0.2/303.5] Distance in Mpc for the X-ray source (pos.distance;pos.heliocentric)
O/D11/9  Observed/Detected statistics (src.var.index)
Lum 1.17e+38 10-7W Maximum luminosity among detections, erg/s (phys.luminosity)
Flux3.60e-13 mW/m2 Average flux among detections, erg/cm2/s (phot.flux;em.X-ray)
Fmax/Fmin 312.9   [1/303734] Fmax/Fmin ratio (Note 2)   (phot.flux;arith.ratio)
E_Fmax/Fmin 16.0000   [0.009/5200] Upper uncertainty on Fmax/Fmin (stat.error;stat.max)
e_Fmax/Fmin 16.0000   Lower uncertainty on Fmax/Fmin (stat.error)
Sig 72.122   [0.01/1997] Maximum detection significance (stat.fit.goodness;instr.saturation;stat.max)
MaxCts 660.251 ct [0.05/136146] Maximum photon counts among the detections (phot.count;em.X-ray)
Phasesq2 h7  Statistics for SSS/QSS/hard/dim phases (Note 3)   (meta.note)
VarKS   Statistics for variability during individual observations using the K-S criterion (Note 4)   (meta.note)
Class   Source identification (Note 5)   (src.class)

_RA010.6742 deg (i) Positions from CXOGSG names (right ascension part) (pos.eq.ra;meta.main)
_DE+40.8653 deg (i) Positions from CXOGSG names (declination part) (pos.eq.dec;meta.main)
ColumnValue  Explain   (UCD)
_RAJ200000 42 41.800 "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+40 51 55.00 "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)
_RAB195000 39 57.716 "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+40 35 29.41 "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)
_Glon121.149927 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-21.976224 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)
486recno 486  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Group 1   [1/4953] Group Number (meta.id)
CXOGSGJ004241.8+405155  (i) Source name (JHHMMSS.s+DDMMSS) (meta.id;meta.main)

Nobs 11  Number of observations for this source (meta.number)

f_CXOGSG*   [*] Projected overlapping galaxies flag (Note 1)   (meta.code)
ePos 1.00 arcsec [1/36] Statistical positional error after Kim et al. (2007, J/ApJS/169/401) (stat.error)
GNameNGC224-X56  Galaxy source names numbered sequentially based on maximum detection significance (meta.id)
Sep 24.221 arcmin [0.002/641] Galaxy source nuclear separation (pos.angDistance)
SepR 0.49   [0/3] Galaxy source nuclear separation in units of the galaxy's elliptical radius (pos.angDistance)
Dist 0.7516 Mpc [-0.2/303.5] Distance in Mpc for the X-ray source (pos.distance;pos.heliocentric)
O/D11/9  Observed/Detected statistics (src.var.index)
Lum 1e+38 10-7W Maximum luminosity among detections, erg/s (phys.luminosity)
Flux3.60e-13 mW/m2 Average flux among detections, erg/cm2/s (phot.flux;em.X-ray)
Fmax/Fmin 312.9   [1/303734] Fmax/Fmin ratio (Note 2)   (phot.flux;arith.ratio)
E_Fmax/Fmin 16.0000   [0.009/5200] Upper uncertainty on Fmax/Fmin (stat.error;stat.max)
e_Fmax/Fmin 16.0000   Lower uncertainty on Fmax/Fmin (stat.error)
Sig 72.122   [0.01/1997] Maximum detection significance (stat.fit.goodness;instr.saturation;stat.max)
MaxCts 660.251 ct [0.05/136146] Maximum photon counts among the detections (phot.count;em.X-ray)
Phasesq2 h7  Statistics for SSS/QSS/hard/dim phases (Note 3)   (meta.note)
VarKS   Statistics for variability during individual observations using the K-S criterion (Note 4)   (meta.note)
Class   Source identification (Note 5)   (src.class)

_RA010.6742 deg (i) Positions from CXOGSG names (right ascension part) (pos.eq.ra;meta.main)
_DE+40.8653 deg (i) Positions from CXOGSG names (declination part) (pos.eq.dec;meta.main)
  
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