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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/458/245
  Obs. of 2 Unidentified Gamma-ray Sources (La Palombara+, 2006)
Post annotation
img(gal)
1.J/A+A/458/245/table1(c)Main characteristics of the 8 EPIC observations of 3EG J0616-3310 (Obs=1-4) & 3EG J1249-8330 (Obs=5-8) (chart) (8 rows)
2.J/A+A/458/245/table7Main characteristics of the X-ray sources with no candidate optical counterpart and log(FX/Fopt)≳2 (chart) (9 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)Det  Number of detected sources (meta.number)
  (1)MOS1 ks Exposure time for MOS1 instrument (time.duration;obs.exposure)
  (1)MOS2 ks Exposure time for MOS2 instrument (time.duration;obs.exposure)
  (1)NH 10+20cm-2Hydrogen column density (phys.columnDensity)
   (ALL)Obs  EPIC field sequential reference number (meta.id;obs.field)
  (1)ObsDate "Y:M:D" (n)Observation date (time.epoch)
  (1)ObsTime "h:m:s" (n)Observation time (hh:mm:ss) (time.epoch)
  (1)PN ks Exposure time for PN instrument (time.duration;obs.exposure)
  (1)RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Rev  Revolution number of XMM (meta.id;obs)
  (2)Bands (char) Detection bands (instr.bandpass)
  (2)e_Flux 10-17W/m2rms uncertainty on Flux (stat.error;phot.flux)
  (2)e_log(FX/Fopt) [-] rms uncertainty on log(FX/Fopt) (stat.error)
  (2)Flux 10-17W/m2Source flux in 0.3-10keV energy range (phot.flux;em.X-ray)
  (2)Gamma keV Range of photon index for a power law spectrum (meta.code;spect.index)
  (2)Gamma2 keV (n) Range of photon index for a power law spectrum (spect.index)
  (2)kTbb keV Range of possible kT temperature for thermal blackbody spectrum (phys.temperature)
  (2)kTbb2 keV (n) Range of possible kT temperature for thermal blackbody spectrum (phys.temperature)
  (2)kTbt keV Range of possible kT temperature for thermal bremsstrahlung spectrum (phys.temperature)
  (2)kTbt2 keV (n) Range of possible kT temperature for thermal bremsstrahlung spectrum (phys.temperature)
  (2)l_Gamma (char) [<≥ ] Limit flag on Gamma (meta.code.error)
  (2)l_kTbb (char) [<≥ ] Limit flag on kTbb (meta.code.error)
  (2)l_kTbt (char) [<≥ ] Limit flag on kTbt (meta.code.error)
  (2)log(FX/Fopt) [-] Lower limit of X-ray-to-optical flux ratio (phot.flux;arith.ratio)
  (2)XMMU (char) XMMU designation (JHHMMSS.s+DDMMSS) (meta.id;meta.main)

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