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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

  
IX/30
  Second ROSAT PSPC Catalog (ROSAT, 2000)
Post annotation
img(gal)
1.IX/30/2rxp(c)The 2RXP Catalog (95331 rows)
2.IX/30/seqp(c)The sequences of observations (4093 rows)
Help Xmatch is

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)2RXP (char) 2RXP designation (Jhhmmss.s+ddmmss) (Note)   (meta.id;meta.main)
  (1)bgCt ct/s/arcmin2Background countrate (truncated to -9.99 ... 99.99) (instr.background)
  (1)Com (char) Source comment (meta.note)
  (1)Crate ct/s Estimate of net count rate (phot.count;em.X-ray)
  (1)cSpl  Reduced chi-square of power law fit to net spectrum (truncated at 99.9) (stat.fit.param)
  (1)cSRS  reduced chi-square of Raymond-Smith fit to net spectrum (truncated at 99.9) (stat.fit.param)
  (1)CtA ct Source net counts PHAch. 11-41 (∼0.1-0.4 keV) (phot.count;em.X-ray)
  (1)CtB ct Source net counts PHAch. 52-201 (∼0.5-2.0 keV) (phot.count;em.X-ray)
  (1)CtC ct Source net counts PHAch. 52-90 (∼0.5-0.9 keV) (phot.count;em.X-ray)
  (1)CtD ct Source net counts PHAch. 91-201 (∼0.9-2.0 keV) (phot.count;em.X-ray)
  (1)Dcs arcsec Width of detect square (instr.fov;instr.pixel)

ALL cols
    
 (i)indexed column
   (ALL)DEJ2000 deg (i) Source Declination (J2000) (pos.eq.dec;meta.main)
  (1)DetFlags (char) [01] Source detection string (Note 3)   (meta.code)
  (1)DetML (char) [ABCDb ] band in which ML detection occurred (Note)   (instr.bandpass)
  (1)Drb arcmin Corrected source-rib distance (truncated at 99) (pos.angDistance)
  (1)Dsr arcmin (n) [0,99] Corrected source-source distance (truncated at 99) (pos.angDistance)
  (1)e_Crate ct/s (n) Error of Crate (Note G1)   (stat.error)
  (1)e_CtA ct Mean error on CtA (stat.error)
  (1)e_CtB ct Mean error on CtB (stat.error)
  (1)e_CtC ct Mean error on CtC (stat.error)
  (1)e_CtD ct Mean error on CtD (stat.error)
  (1)e_HR1  Error on HR1 (stat.error)
  (1)e_HR2  Error on HR2 (stat.error)
  (1)e_imX 15arcsec (n) Error on imX (Note G1)   (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_imY 15arcsec (n) Error on imY (Note G1)   (stat.error)
  (1)ErrPos arcsec (n) Error in position (Note G1)   (stat.error)
   (ALL)ExpTime s Exposure time (time.duration;obs.exposure)
  (1)Ext arcsec sigma of Gaussion distribution fitted to data (phys.angSize)
  (1)ExtL  Likelihood of source extent (truncated to 9999) (stat.likelihood)
  (1)HR1  Hardness ratio 1 (Note truncated to -9.99...99.99)   (phot.flux;arith.ratio)
  (1)HR2  hardness ratio 2 (Note truncated to -9.99...99.99)   (phot.flux;arith.ratio)
  (1)imX 15arcsec Blocked x source position (pos.cartesian;instr.det)
  (1)imY 15arcsec Blocked Y source position (pos.cartesian;instr.det)
  (1)LhMdet  Source likelihood from the L/MDETEC algorithm (MD_LIKE, truncated at 999.9) (stat.likelihood)
  (1)LhMdet2  Source likelihood from the L/MDETEC algorithm (truncated at 9999) (stat.likelihood)
  (1)LhML  (n) Source likelihood from the ML algorithm (ML_LIKE, truncated to 999) (Note G1)   (stat.likelihood)
  (1)m_2RXP (char) [a-l] Multiplicity index (Note)   (meta.code.multip)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Mdet (char) [M.] set to 'M' if Crate was taken from MDETEC (as well as some other parameters) (meta.code)
  (1)MSX  Source number from merged source list (MPLSX) (meta.id)
  (1)oax arcmin Off-axis angle averaged over observation (instr.offset)
  (1)ObsID (char) Observation ID (e.g. US400623H.N1) (meta.id;obs)
  (1)QCdate "Y:M:D" Date of sequence and source checking (time.epoch)
  (1)QCsite (char) Checker Site (meta.id;instr.obsty)
   (ALL)QDname (char) Checker ID (obs.observer)
   (ALL)RAJ2000 deg (i) Source 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)
  (1)rML arcsec Extraction radius used in ML algorithm (stat.fit.param)
  (1)S (char) [S] for source in "short" catalog (Note)   (meta.code)
  (1)Seq (char) ROSAT detection sequence number (meta.id)
   (ALL)SeqFlags (char) [DABEFMSX.] Sequence flags (Note)   (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)Site (char) Processing Site (USRS / MPE / PE / SRS) (meta.id;instr.obsty)
  (1)SrcFlags (char) [cdefislmnpavw.] Source Flags (Note)   (meta.code)
   (ALL)Tbeg "Y:M:D" Observation start date (time.epoch)
   (ALL)Tend "Y:M:D" Observation finish date (time.epoch)
  (1)Var (char) [NTP] Source variability flag: Negative / Too_few / Possible (meta.code;src.var)
  (1)Vflags (char) [ckuf.] variability flags (Note)   (meta.code;src.var)
  (1)Vig  (n) Vignetting factor (Note G1)   (instr.param)
  (2)Cdate "Y:M:D" Checking date (time.epoch)
  (2)Mis  Number of missed sources (meta.number)
  (2)Na  Statistics of nearby associated sources (meta.number)
  (2)Nc  Statistics of confused sources (meta.number)
  (2)Nd  Statistics of sources near detector (meta.number)
  (2)Ne  Statistics of probably resolved sources (meta.number)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Nf  Statistics of spurious detections (meta.number)
  (2)Ni  Statistics of suspect source intensity (meta.number)
  (2)Nl  Statistics of suspect spectrum sources (meta.number)
  (2)Nm  Statistics of split complex emission sources (meta.number)
  (2)Nn  Statistics of sources not checked visually (meta.number)
  (2)Np  Statistics of suspect source positions (meta.number)
  (2)Ns  Statistics of suspect lightcurve sources (meta.number)
  (2)Nsrc  Number of sources (meta.number)
  (2)Nv  Statistics of suspected variability (meta.number)
  (2)Nw  Statistics of sources within extended emission (meta.number)
  (2)QCSite (char) Checker Site (meta.id;instr.obsty)
  (2)RDF (char) Result Data directory and File (meta.id;meta.file)

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