VizieR

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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/ApJS/209/27
  MYStIX: the Chandra X-ray sources (Kuhn+, 2013)
ReadMe+ftp
2013ApJS..209...27K
Similar Catalogs
(MYStIX catalogs)
Post annotation 		img(gal)
1.J/ApJS/209/27/xmystix(c)*MYStIX X-ray sources and properties (Note) (11315 rows)
2.J/ApJS/209/27/table1(c)Log of Chandra Observations (29 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
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)Reg (char) Name of the MYStIX star-forming region (G1) (list of regions) (Note)   (obs.field)
  (1)CXO (char) IAU source name (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)
  (1)Label (char) Source name used within the project (Note 1)   (meta.id;obs)
  (1)RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)ePos arcsec [0/3] 1σ error circle around RA,DE (stat.error)
  (1)PosType (char) Algorithm used to estimate position (Note 2)   (meta.id;stat.fit)
  (1)no-m   [0/0.01] merged p-value for no-source hypothesis (smallest of no-t/no-s/no-h) (Note 3)   (stat.fit.goodness)
  (1)no-t   [0/0.5] p-value for 0.5-8keV no-source hypothesis (Note 3)   (stat.fit.goodness)
  (1)no-s  (n) [0/1] p-value for 0.5-2keV no-source hypothesis (Note 3)   (stat.fit.goodness)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)no-h  (n) [0/1] p-value for no-source hypothesis in the hard (2-8keV) band (Note 3)   (stat.fit.goodness)
  (1)KS-s  (n) [0/1] Smallest p-value under the no-variability null hypothesis within a single-observation (Note 4)   (stat.fit.goodness)
  (1)KS-m  (n) [0/1] Smallest p-value under the no-variability null hypothesis over merged observations (Note 4)   (stat.fit.goodness)
  (1)ExpNom s [11844/440602] Total exposure time in merged observations (time.duration;obs)
  (1)ExpFrac   [0/1] Fraction of ExpN that source was observed (Note 5)   (time.expo)
  (1)Nobs   [1/5] Total number of observations extracted (meta.number)
  (1)Nph   [1/5] Number of observations merged to estimate photometry properties (meta.number)
  (1)Fdis   [0/0.9] Fraction of exposure discarded in merge (time.expo)
  (1)theta-m arcmin [0.07/12.2] Smallest value of θ (instr.offset)
  (1)theta arcmin [0.07/12.2] Average off-axis angle θ for merged observations (instr.offset)
  (1)theta-M arcmin [0.07/12.5] Largest value of θ (instr.offset)
  (1)PSFf   [0.3/1] Average PSF fraction at 1.5 keV for merged observations (instr.det.psf)
  (1)Area   [1/2179] Average aperture area for merged observations in (0.492arcsec)2 units (phys.area;instr)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)aglow  (n) [0/0.4] Suspected afterglow fraction (Note 6)   (stat.fit.param)
  (1)Oct-t ct [2/34654] Observed 0.5-8keV counts in merged apertures (phot.count;em.X-ray)
  (1)Oct-s ct [0/31233] Observed 0.5-2keV counts in merged apertures (phot.count;em.X-ray)
  (1)Oct-h ct [0/5668] Observed 2-8keV counts in merged apertures (phot.count;em.X-ray)
  (1)bgScl   [0.5/10864] Scaling of background extraction (instr.background)
  (1)bgct-t ct [0/15263] Observed 0.5-8keV counts in merged background regions (instr.background)
  (1)bgct-s ct [0/14105] Observed 0.5-2keV counts in merged background regions (instr.background)
  (1)bgct-h ct [0/1527] Observed 2-8keV counts in merged background regions (instr.background)
  (1)Nct-t ct [0.8/34588] Net 0.5-8keV counts in merged apertures (phot.count;em.X-ray)
  (1)Nct-s ct [-7.1/31173] Net 0.5-2keV counts in merged apertures (phot.count;em.X-ray)
  (1)Nct-h ct [-11/5667] Net 2-8keV counts in merged apertures (phot.count;em.X-ray)
  (1)b_Nct-t ct [0/34402] 1σ lower bound on NCtst (Note 7)   (phot.count;em.X-ray;stat.min)
  (1)B_Nct-t ct [2/34776] 1σ upper bound on NCtst (Note 7)   (phot.count;em.X-ray;stat.max)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)b_Nct-s ct (n) [0/30997] 1σ lower bound on NCtss (Note 7)   (phot.count;em.X-ray;stat.min)
  (1)B_Nct-s ct [0/31352] 1σ upper bound on NCtss (Note 7)   (phot.count;em.X-ray;stat.max)
  (1)b_Nct-h ct (n) [0/5592] 1σ lower bound on NCtsh (Note 7)   (phot.count;em.X-ray;stat.min)
  (1)B_Nct-h ct [0/5743] 1σ upper bound on NCtsh (Note 7)   (phot.count;em.X-ray;stat.max)
  (1)Area-t   [19/247] Mean effective area (ARF value) in cm2.count/photon in 0.5-8keV (Note 8)   (phys.area;instr)
  (1)Area-s   [29/360] Mean effective area (ARF value) in cm2.count/photon in 0.5-2keV (Note 8)   (phys.area;instr)
  (1)Area-h   [17.3/219] Mean effective area (ARF value) in cm2.count/photon in 2-8keV (Note 8)   (phys.area;instr)
  (1)E-t keV [0.5/7.5] Median 0.5-8keV energy, observed spectrum (Note 9)   (em.energy)
  (1)E-s keV (n) [0/2] Median 0.5-2keV energy, observed spectrum (Note 9)   (em.energy)
  (1)E-h keV (n) [0/8] Median 2-8keV energy, observed spectrum (Note 9)   (em.energy)
  (1)XFlx-t [ph/cm2/s] [-7.8/-3.1] log incident photon flux in total (0.5-8keV) band (Note 10)   (phot.flux;em.X-ray)
  (1)XFlx-s [ph/cm2/s](n) [-11.7/0] log incident photon flux in soft (0.5-2keV) band (Note 10)   (phot.flux;em.X-ray)
  (1)XFlx-h [ph/cm2/s](n) [-10.5/0] log incident photon flux in hard (2-8keV) band (Note 10)   (phot.flux;em.X-ray)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Flux-h mW/m2 (n) [0/2.5e-12] 2-8 keV X-ray flux (Note 11)   (phot.flux;em.X-ray)
  (1)Flxc-h mW/m2 (n) [0/4.7e-12] Absorption-corrected 2-8 keV X-ray flux (phot.flux;em.X-ray)
  (1)e_Flxc-h mW/m2 (n) [0/3.6e-13] 1σ statistical uncertainty on Flxc-h (stat.error)
  (1)s_Flxc-h mW/m2 (n) [0/4.3e-13] 1σ systematic uncertainty on Flxc-h (stat.error.sys)
  (1)Flux-t mW/m2 (n) [0/2.6e-12] 0.5-8 keV X-ray flux (phot.flux;em.X-ray)
  (1)Flxc-t mW/m2 (n) [0/1.1e-11] Absorption-corrected 0.5-8 kev X-ray flux (phot.flux;em.X-ray)
  (1)e_Flxc-t mW/m2 (n) [0/8.7e-13] 1σ statistical uncertainty on Flxc-t (stat.error)
  (1)s_Flxc-t mW/m2 (n) [0/1.9e-12] 1σ systematic uncertainty on Flxc-t (stat.error.sys)
  (1)logNH cm-2 (n) [0/24] Gas column density (phys.columnDensity)
  (1)e_logNH cm-2 (n) [0/1.1] 1σ statistical uncertainty on logNH (stat.error)
  (1)s_logNH cm-2 (n) [0/1.2] 1σ systematic uncertainty on logNH (stat.error.sys)
  (2)ObsID   [977/12142] Chandra observation ID number (meta.id;meta.main)
  (2)SeqNum  Chandra sequence number (see Cat. B/chandra) (meta.ref;pos.frame)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Date s (n)UT start time of the observation (time.start;obs)
  (2)Exp s [9143/126217] Exposure time (Note 1)   (time.duration;obs.exposure)
  (2)RAJ2000 "h:m:s" (i) [5/20] Aimpoint hour of RA (J2000) (Note 2)   (pos.eq.ra;meta.main)
  (2)DEJ2000 "d:m:s" (i) [1/47] Aimpoint degree of DEC (J2000) (Note 2)   (pos.eq.dec;meta.main)
  (2)Roll deg [22/351] Roll angle (Note 2)   (instr.offset)
  (2)Mode (char) Observation mode ("Faint" or "Very Faint") (instr.setup)
  (2)PI (char) PI of the observation (obs.observer)
  (2)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)

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