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/243/3
  Chandra observations of SINGS galaxies (Lehmer+, 2019)
ReadMe+ftp
2019ApJS..243....3L
Similar Catalogs
[METAcat] [METAcells] [stats]
Post annotation 		img(gal)
1.J/ApJS/243/3/sings(c)List of SINGS galaxies; table added by CDS (41 rows) (released 2020-09-30)
[METAtab] [METAcola]
2.J/ApJS/243/3/table2(c)Chandra Advanced CCD Imaging Spectrometer (ACIS) observation log (200 rows) (released 2020-09-30)
[METAtab] [METAcola]
3.J/ApJS/243/3/table7(c)X-ray point-source catalog and properties (4442 rows) (released 2020-09-30)
[METAtab] [METAcola]
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)NGC  (i) NGC number of the host galaxy (meta.id;meta.main)
  (1)NGC_data (char) Link to original parameters of New General Catalog (1888MmRAS..49....1D) (meta.code)
  (1)Nobs  (n)Number of Chandra observations for this galaxy (link to Table 2) (meta.number)
  (1)Nx  (n)Number of X-ray point sources for this galaxy (link to Table 7) (meta.number)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1)NED (char) ask the NED data-base about this object (meta.ref.url)
  (1)LEDA (char) ask the LEDA data-base about this object (meta.ref.url)
  (1)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  (1)T13  (n)Display data from Tzanavaris+, 2013, J/ApJ/774/136 (meta.ref.url)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Gal (char) Name of the host galaxy (meta.id)
  (2)ObsID  (n) [354/21676] Chandra Observation ID; null for merged IDs (meta.id;obs)
  (2)f_ObsID (char) [de] Flag on ObsID (Note 1)   (meta.code)
  (2+3)RAJ2000 deg (i) Right Ascension, Aim Point (J2000) (pos.eq.ra;meta.main)
  (2+3)DEJ2000 deg (i) Declination, Aim Point (J2000) (pos.eq.dec;meta.main)
  (2)ObsDate s (n)UT Observation Date time (time.epoch;obs)
  (2)Exp ks [2/892] Total exposure time (Note 2)   (time.duration;obs.exposure)
  (2)Nfl  (n) [1/2] Number of flaring intervals, rejected (meta.number)
  (2)Tfl ks (n) [0.5/2] Combined flare duration, rejected (time.interval)
  (2)dRA arcsec (n) [-0.7/0.8] Offset in Right Ascension (pos.eq.ra;arith.diff)
  (2)dDE arcsec (n) [-1.3/0.6] Offset in Declination (pos.eq.dec;arith.diff)
  (2)Mode (char) [FV] Observation Mode (F=faint mode; or V=very faint mode) (meta.code)
  (3)ID  Point-source identification number within the galaxy (meta.id;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)theta arcmin [0/12.4] Offset (Note 1)   (pos;arith.diff)
  (3)NFB ct [0.7/114995] Net (background subtracted) 0.5-7keV counts (phot.count;em.X-ray.medium;src.net)
  (3)e_NFB ct [1/359] 1σ uncertainty in NFB (stat.error)
  (3)NH 10+22cm-2 [0.008/15.5] Best-fit column density (Note 2)   (phys.columnDensity;meta.modelled)
  (3)e_NH 10+22cm-2(n) [0.001/14] 1σ uncertainty in NH (Note 2)   (stat.error)
  (3)Gamma   [0.09/3.3] Best-fit photon index, Γ (Note 2)   (meta.code;spect.index;meta.modelled)
  (3)e_Gamma  (n) [0.01/3] 1σ uncertainty in Gamma (Note 2)   (stat.error)
  (3)logFFB [mW/m2] [-16.6/-11.4] log, 0.5-8keV source flux (phot.flux;em.X-ray)
  (3)logLFB [10-7W] [34.8/41] log, 0.5-8keV source luminosity (phys.luminosity;em.X-ray)
  (3)Loc   [1/5] Location Flag (Note 3)   (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
.errorfile=/tmp/V-3.err (2025-08-24T16:13:11)
-3
-source=J/ApJS/243/3
-ref=VIZ68ab3a1777bb5
elapse time 0

Options: wopt=0, optS=0, onote=0, opt1=8, opos=0

Contents of error file (/tmp/V-3.err):
metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756051991]   Select ucdid, name, class, explain From METAucd where ucdid=191
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756051991]   Select famid, name, explain From METAfam where famid=1017
----db1_reset(0 'metaviz@VIZIR')
----opt1= 8
----inherit(u=used, h=hidden):
     [u] +source=J/ApJS/243/3
     [u] -ref=VIZ68ab3a1777bb5
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
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