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IX/44
  XMM-Newton Serendipitous Source Catalogue 3XMM-DR4 (XMM-SSC, 2013) This catalogue is obsoleted by IX/46
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img(gal)
1.IX/44/xmm3r4s(c)The 3XMM-DR4 Catalog, "slim" version (372728 rows)
2.IX/44/summary(c)List of observations (7427 rows)
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Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)Source  (i) [1/372728] (SRCID) Unique source index (meta.id)
  (1)3XMM (char) (i) (IAUNAME) Unique source name (JHHMMSS.s+DDMMSS) (meta.id;meta.main)
   (ALL)RAJ2000 deg (i) (SC_RA) Mean source right ascension (ICRS) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) (SC_DEC) Mean source declination (ICRS) (pos.eq.dec;meta.main)
  (1)ePos arcsec [0.03/20] (SC_POSERR) Mean error on position (stat.error)
  (1)srcML  (SC_DET_ML) Source detection likelihood (Note 2)   (stat.likelihood;instr.saturation)
  (1)Flux1 mW/m2 (SC_EP_1_FLUX) Mean flux in 0.2-0.5keV band (phot.flux;em.X-ray)
  (1)e_Flux1 mW/m2 (SC_EP_1_FLUX_ERR) Mean error on Flux1 (stat.error)
  (1)Flux2 mW/m2 (SC_EP_2_FLUX) Mean flux in 0.5-1.0keV band (phot.flux;em.X-ray)
  (1)e_Flux2 mW/m2 (SC_EP_2_FLUX_ERR) Mean error on Flux2 (stat.error)
  (1)Flux3 mW/m2 (SC_EP_3_FLUX) Mean flux in 1.0-2.0keV band (phot.flux;em.X-ray)

ALL cols
    
 (i)indexed column
  (1)e_Flux3 mW/m2 (SC_EP_3_FLUX_ERR) Mean error on Flux3 (stat.error)
  (1)Flux4 mW/m2 (SC_EP_4_FLUX) Mean flux in 2.0-4.5keV band (phot.flux;em.X-ray)
  (1)e_Flux4 mW/m2 (SC_EP_4_FLUX_ERR) Mean error on Flux4 (stat.error)
  (1)Flux5 mW/m2 (SC_EP_5_FLUX) Mean flux in 4.5-12keV band (phot.flux;em.X-ray)
  (1)e_Flux5 mW/m2 (SC_EP_5_FLUX_ERR) Mean error on Flux5 (stat.error)
  (1)Flux8 mW/m2 (SC_EP_8_FLUX) Mean flux in 0.2-12keV band (phot.flux;em.X-ray)
  (1)e_Flux8 mW/m2 (SC_EP_8_FLUX_ERR) Mean error on Flux8 (stat.error)
  (1)Flux9 mW/m2 (n) (SC_EP_9_FLUX) Mean flux in 0.5-4.5keV band (phot.flux;em.X-ray)
  (1)e_Flux9 mW/m2 (n) (SC_EP_9_FLUX_ERR) Mean error on Flux9 (stat.error)
  (1)F8min mW/m2 (SC_EP_8_FMIN) Minimum flux in 0.5-4.5keV band (phot.flux;em.X-ray.medium;stat.min)
  (1)e_F8min mW/m2 (SC_EP_8_FMIN_ERR) Mean error on F8min (stat.error)
  (1)F8max mW/m2 (SC_EP_8_FMAX) Maximum flux in 0.5-4.5keV band (phot.flux;em.X-ray.medium;stat.max)
  (1)e_F8max mW/m2 (SC_EP_8_FMAX_ERR) Mean error on F8max (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)HR1  (n) [-1/1] (SC_HR1) Hardness ratio, bands 1,2 (Note 1)   (phot.flux;arith.ratio)
  (1)e_HR1  (n) (SC_HR1_ERR) Mean error on HR1 (stat.error)
  (1)HR2  (n) [-1/1] (SC_HR2) Hardness ratio, bands 2,3 (Note 1)   (phot.flux;arith.ratio)
  (1)e_HR2  (n) (SC_HR2_ERR) Mean error on HR2 (stat.error)
  (1)HR3  (n) [-1/1] (SC_HR3) Hardness ratio, bands 3,4 (Note 1)   (phot.flux;arith.ratio)
  (1)e_HR3  (n) (SC_HR3_ERR) Mean error on HR3 (stat.error)
  (1)HR4  (n) [-1/1] (SC_HR4) Hardness ratio, bands 4,5 (Note 1)   (phot.flux;arith.ratio)
  (1)e_HR4  (n) (SC_HR4_ERR) Mean error on HR4 (stat.error)
  (1)ext arcsec (SC_EXTENT) Total band extent (phys.angSize)
  (1)extML  (SC_EXT_ML) Detection likelihood of the extended source (Note 3)   (stat.likelihood;instr.saturation)
  (1)Cst  (n) [0/1] (SC_CHI2PROB) Constant probability (Note 4)   (stat.fit.goodness)
  (1)V   [0/1] (SC_VAR_FLAG) Variability flag (V=1) (meta.code;src.var)
  (1)S   [0/4] (SC_SUM_FLAG) summary flag, 0=best (Note 5)   (meta.code.qual)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)MJD0 d [51577/56269] (MJD_FIRST) Date of first observation (MJD) (time.epoch)
  (1)MJD1 d [51577/56270] (MJD_LAST) Date of last observation (MJD) (time.epoch)
  (1)Fvar  (n) (SC_FVAR) fractional excess variance of the unique source (Note 6)   (src.var.index)
  (1)e_Fvar  (n) (SC_FVARERR) Mean error on Fvar (stat.error)
   (ALL)Nd   [1/44] (N_DETECTIONS) Number of detections (meta.number)
  (1)c   [0/1] (CONFUSED) Confusion flag (Note 7)   (meta.code)
  (1)detID  Lower detection ID number (meta.id)
  (1)uLEDAS (char) (LEDAS_URL) URL for details at LEDAS (meta.ref.url)
  (1)xcatDB (char) Show details from the Xcat-DB about that source (meta.ref.url)
  (1)LEDAS (char) Show details from LEDAS site about that source (meta.ref.url)
  (2)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (2)Rev   [28/2380] (REVOLUT) Satellite revolution number (meta.id)
  (2)ObsID  (OBS_ID) XMM Observation number (Cat. B/xmm) (meta.id;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)iODF   [1/10] (ODF_VERS) Data File (ODF) number (meta.software)
  (2)Target (char) (TARGET) name (meta.id)
  (2)Q   [0/5] (OBS_CLASS) Observations quality (Note 1)   (meta.code.qual;obs)
  (2)Ng   [0/391] (NDETGOOD) Number of good detections in field (meta.number)
  (2)Np  (n) [1/3] (PN_NEXP) Number of PN exposures merged (meta.number)
  (2)f.PN (char) (PN_FILT) Filter of the PN exposure(s) (Note 2)   (instr.bandpass)
  (2)m.PN (char) (PN_MODE) Mode of the PN exposure(s) (Note 3)   (instr.setup)
  (2)t.PN s (n) (PN_TEXP) Total PN exposure time (time.duration;obs.exposure)
  (2)N1  (n) [1/5] (M1_NEXP) Number of M1 exposures merged (meta.number)
  (2)f.M1 (char) (M1_FILT) Filter of the M1 exposure(s) (Note 2)   (instr.bandpass)
  (2)m.M1 (char) (M1_MODE) Mode of the M1 exposures (Note 3)   (instr.setup)
  (2)t.M1 s (n) (M1_TEXP) Total M1 exposure time (time.duration;obs.exposure)
  (2)N2  (n) [1/5] (M2_NEXP) Number of M2 exposures merged (meta.number)
  (2)f.M2 (char) (M2_FILT) Filter of the M2 exposure(s) (Note 2)   (instr.bandpass)
  (2)m.M2 (char) (M2_MODE) Mode of the M2 exposures (Note 3)   (instr.setup)
  (2)t.M2 s (n) (M2_TEXP) Total M2 exposure time (time.duration;obs.exposure)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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