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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/ApJ/561/189
  Chandra X-ray sources in M101 (Pence+, 2001)
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img(gal)
1.J/ApJ/561/189/table1(c)S3 Chip X-ray Sources in M101 (110 rows)
2.J/ApJ/561/189/table2Cross-Identifications (27 rows)
3.J/ApJ/561/189/table4XSPEC Model Fits to the 29 Brightest Sources (29 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)[PSM2001]  (i) Source number (meta.id;meta.main)
  (1)n_[PSM2001] (char) X indicates cross-identification and/or XSPEC model fits (meta.ref.url)
  (1)RAJ2000 "h:m:s" (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)Area pix Area of source region in units of the 0.49" CHANDRA CCD pixels (phys.area;obs.field;arith.ratio)
  (1)S1 ct First soft X-ray energy band net counts (Note 1)   (phot.count;em.X-ray)
  (1)M1 ct First medium X-ray energy band net counts (Note 1)   (phot.count;em.X-ray)
  (1)H1 ct First hard X-ray energy band net counts (Note 1)   (phot.count;em.X-ray)
  (1)S2 ct Second soft X-ray energy band net counts (Note 1)   (phot.count;em.X-ray)
  (1)M2 ct Second medium X-ray energy band net counts (Note 1)   (phot.count;em.X-ray)

ALL cols
    
 (i)indexed column
  (1)H2 ct Second hard X-ray energy band net counts (Note 1)   (phot.count;em.X-ray)
  (1)logFS2 [mW/m2] (n) Log of the S2 X-ray flux (in erg/cm2/s) (phot.flux;em.X-ray)
  (1)logFM2 [mW/m2] (n) Log of the M2 X-ray flux (in erg/cm2/s) (phot.flux;em.X-ray)
  (1)logFH2 [mW/m2] (n) Log of the H2 X-ray flux (in erg/cm2/s) (phot.flux;em.X-ray)
  (2)[WIP99] (char) ROSAT source identification from Wang et al., 1999ApJ...523..121W, [WIP99] NN in Simbad (meta.id)
  (2)n_[WIP99] (char) Note on the nature of the source (meta.note)
  (2)[MF97] (char) SNR identification from Matonick & Fesen, 1997ApJS..112...49M, [MF97] M101 NN in Simbad (meta.id)
  (2)Other (char) Other identifications (meta.id)
  (3)alpha  (n) Simple absorbed power-law spectrum model parameter (Note 1)   (stat.param;meta.modelled)
  (3)BB kT (n) Absorbed blackbody model parameter (Note 1)   (stat.fit.param)
  (3)NH 10+21cm-2Hydrogen column density (phys.columnDensity)
  (3)Chi2V  Reduced chi2 value (stat.fit.chi2)
  (3)logFXS2 [mW/m2] X-ray flux over the energy range of the S2 (0.12-50.5keV) energy band (Note 2)   (phot.flux;em.X-ray)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)logFXM2 [mW/m2] X-ray flux over the energy range of the M2 (0.5-2.0keV) energy band (Note 2)   (phot.flux;em.X-ray)
  (3)logFXH2 [mW/m2] X-ray flux over the energy range of the H2 (2.0-8.0keV) energy band (Note 2)   (phot.flux;em.X-ray)
  (3)logLXS2 [10-7W] X-ray luminosity in S2 energy band (0.12-50.5keV) (Note 3)   (phys.luminosity;em.X-ray)
  (3)logLXM2 [10-7W] X-ray luminosity in M2 energy band (0.5-2.0keV) (Note 3)   (phys.luminosity;em.X-ray)
  (3)logLXH2 [10-7W] X-ray luminosity in H2 energy band (2.0-8.0keV) (Note 3)   (phys.luminosity;em.X-ray)

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