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IX/55/xmm3r8s XMM-Newton Serendipitous Source Catalogue 3XMM-DR8 (XMM-SSC, 2018)
The 3XMM-DR8 Catalog, "slim" version (531454 rows)
  recno=388090
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ColumnValue  Explain   (UCD)
_RAJ200017 20 14.26467 "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+35 29 18.7300 "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)
_RAB195017 18 27.39622 "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+35 32 15.4477 "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)
_Glon059.34367722 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+33.06109915 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)
388090recno 388090  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Source207207002010031  (i) [200001101010001/207957124010063] (SRCID) Unique source index (meta.id)
3XMMJ172014.2+352918  (i) (IAUNAME) Unique source name (JHHMMSS.s+DDMMSS) (linked to full details about detections for this source) (meta.id;meta.main)
RA_ICRS260.059436 deg (i) (SC_RA) Mean source right ascension (ICRS) (pos.eq.ra;meta.main)
DE_ICRS+35.488536 deg (i) (SC_DEC) Mean source declination (ICRS) (pos.eq.dec;meta.main)
ePos 0.815581 arcsec [0.03/20] (SC_POSERR) Mean error on position (stat.error)
srcML 1.32470e+02  (SCDETML) Source detection likelihood (Note 2)   (stat.likelihood;instr.saturation)
Flux1 1.82390e-15 mW/m2 (SCEP1_FLUX) Mean flux in 0.2-0.5keV band (phot.flux;em.X-ray)
e_Flux1 3.61145e-16 mW/m2 (SCEP1FLUXERR) Mean error on Flux1 (stat.error)
Flux2 5.22998e-15 mW/m2 (SCEP2_FLUX) Mean flux in 0.5-1.0keV band (phot.flux;em.X-ray)
e_Flux2 6.21030e-16 mW/m2 (SCEP2FLUXERR) Mean error on Flux2 (stat.error)
Flux3 2.31368e-15 mW/m2 (SCEP3_FLUX) Mean flux in 1.0-2.0keV band (phot.flux;em.X-ray)
e_Flux3 5.01829e-16 mW/m2 (SCEP3FLUXERR) Mean error on Flux3 (stat.error)
Flux4 0.00000e+00 mW/m2 (SCEP4_FLUX) Mean flux in 2.0-4.5keV band (phot.flux;em.X-ray)
e_Flux4 2.86967e-16 mW/m2 (SCEP4FLUXERR) Mean error on Flux4 (stat.error)
Flux5 2.74828e-15 mW/m2 (SCEP5_FLUX) Mean flux in 4.5-12keV band (phot.flux;em.X-ray)
e_Flux5 4.26372e-15 mW/m2 (SCEP5FLUXERR) Mean error on Flux5 (stat.error)
Flux8 1.21844e-14 mW/m2 (SCEP8_FLUX) Mean flux in 0.2-12keV band (phot.flux;em.X-ray)
e_Flux8 4.36521e-15 mW/m2 (SCEP8FLUXERR) Mean error on Flux8 (stat.error)
Flux9 1.44329e-14 mW/m2 (SCEP9_FLUX) Mean flux in 0.5-4.5keV band (phot.flux;em.X-ray)
e_Flux9 1.35567e-15 mW/m2 (SCEP9FLUXERR) Mean error on Flux9 (stat.error)
HR1 0.447319   [-1/1] (SC_HR1) Hardness ratio, bands 1,2 (Note 1)   (phot.flux;arith.ratio)
e_HR1 9.20135e-02   (SCHR1ERR) Mean error on HR1 (stat.error)
HR2-0.489037   [-1/1] (SC_HR2) Hardness ratio, bands 2,3 (Note 1)   (phot.flux;arith.ratio)
e_HR2 9.34023e-02   (SCHR2ERR) Mean error on HR2 (stat.error)
HR3-1.000000   [-1/1] (SC_HR3) Hardness ratio, bands 3,4 (Note 1)   (phot.flux;arith.ratio)
e_HR3 8.82607e-02   (SCHR3ERR) Mean error on HR3 (stat.error)
HR4 1.000000   [-1/1] (SC_HR4) Hardness ratio, bands 4,5 (Note 1)   (phot.flux;arith.ratio)
e_HR4 7.20549e-01   (SCHR4ERR) Mean error on HR4 (stat.error)
ext 0.000000 arcsec (SC_EXTENT) Total band extent (phys.angSize)
extML 0.00000e+00  (SCEXTML) Detection likelihood of the extended source (Note 3)   (stat.likelihood;instr.saturation)
Cst    [0/1] (SC_CHI2PROB) Constant probability (Note 4)   (stat.fit.goodness)
Fvar    (SC_FVAR) fractional excess variance of the unique source (Note 6)   (src.var.index)
e_Fvar    (SC_FVARERR) Mean error on Fvar (stat.error)
V0   [0/1] (SCVARFLAG) Variability flag (V=1) (meta.code;src.var)
S0   [0/4] (SCSUMFLAG) summary flag, 0=best (Note 5)   (meta.code.qual)
F8min 1.21844e-14 mW/m2 (SCEP8_FMIN) Minimum flux in 0.5-4.5keV band (phot.flux;em.X-ray.medium;stat.min)
e_F8min 4.36521e-15 mW/m2 (SCEP8FMINERR) Mean error on F8min (stat.error)
F8max 1.21844e-14 mW/m2 (SCEP8_FMAX) Maximum flux in 0.5-4.5keV band (phot.flux;em.X-ray.medium;stat.max)
e_F8max 4.36521e-15 mW/m2 (SCEP8FMAXERR) Mean error on F8max (stat.error)
MJD056696.3892 d [51577/58088] (MJD_FIRST) Date of first observation (MJD) (time.epoch)
MJD156697.5951 d [51577/58088] (MJD_LAST) Date of last observation (MJD) (time.epoch)
Nd 1   [1/59] (N_DETECTIONS) Number of detections (meta.number)
c0   [0/1] (CONFUSED) Confusion flag (Note 7)   (meta.code)

detID570761  Lower detection record number in the original FITS file (meta.id)

uIRAPhttp://xmm-catalog.irap.omp.eu/source/207207002010031/  (WEBPAGE_URL) URL for details at IRAP (meta.ref.url)

xcatDBdetxcatDBdet  Show details from the Xcat-DB about the detections of that source (meta.ref.url)
xcatDBxcatDB  Show details from the Xcat-DB about that source (meta.ref.url)
IRAPIRAP  Show details from IRAP site about that source (meta.ref.url)
  
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