VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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/other/NatAs/7.967
  Variability of extragalactic X-ray jets (Meyer+, 2023)
ReadMe+ftp
2023NatAs...7..967M
Similar Catalogs
Post annotation 		img(gal)
1.J/other/NatAs/7.967/tables1Radio observations (54 rows)
2.J/other/NatAs/7.967/tables2(c)Characteristics of our sample of 55 jets (55 rows)
3.J/other/NatAs/7.967/tables3Characteristics of each Chandra observation (183 rows)
4.J/other/NatAs/7.967/tables4Characteristics of all 155 analysis regions, as well as the 'total jet' regions for jets with more than one knot (200 rows)
5.J/other/NatAs/7.967/tables5Details specific to a particular knot and epoch of observation (556 rows)

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)JName (char) Source (meta.id;meta.main)
  (1)Date "Y:M:D" (n)Obsservation date (time.epoch)
  (1)Tel (char) Telescope (meta.id;instr.tel)
  (1)Projet (char) Project Code (meta.code)
  (1)Freq GHz Observed frequency (em.freq)
  (1)Image (char) [abcd] Image (Note 1)   (obs.image)
  (1)Major arcsec Beam major axis (phys.angSize;instr.beam)
  (1)Minor arcsec Beam minor axis (phys.angSize;instr.beam)
  (2)Name (char) Common name (meta.id)
  (2)Class (char) Jet classification (src.class)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (2)DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  (2)z  Redshift (src.redshift)
  (2)JetAngle deg Estimated jet angle (pos.posAng)
  (2)NReg  Number of distinct jet features analysed (meta.number)
  (2)NObs  Number of distinct Chandra observations (epochs) (meta.number)
  (2)Baseline (char) Maximum and minimum time separation between observations (time.interval)
  (2)Scale kpc/arcsecCosmology-corrected angular size scale (phys.angSize)
  (2)NH 10+22cm-2Galactic Hydrogen column density value used (phys.columnDensity;pos.galactic)
  (2)JetLength arcsec Total observed jet length in arcseconds (src.morph.scLength)
  (2)JetLength2 kpc Total observed jet length in kiloparsecs (src.morph.scLength)
  (2)SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  (3)EpochID  Chandra observation ID number (meta.id;obs)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)Date yr Decimal Date of the observation (time.epoch;obs)
  (3)RStreak (char) Flag column for readout streak correction (meta.code)
  (3)ExpTot ks Initial total exposure time (time.duration;obs.exposure)
  (3)ExpFilt ks Total observing time after removing background flares (instr.background)
  (4)KnotID (char) region name (meta.id;obs.field)
  (4)BGType (char) type of background region used, annulus (ANN) or generic (GEN) (meta.code)
  (4)CTtot ct Total counts in the region over all observations (phot.count)
  (4)BGModel (char) Background model or treatment used for the spectral fit (instr.background)
  (4)KnotArea pix Knot area in ACIS pixels (phys.area)
  (4)KnotArea2 arcsec+2 Knot area in arcseconds squared (phys.area)
  (4)F1keV nJy (n) Flux normalisation of the region SHERPA fit (phot.flux;em.X-ray)
  (4)e_F1keV nJy (n) Flux normalisation of the region SHERPA fit error (stat.error)
  (4)Gamma  (n) Spectral index from the region SHERPA fit (spect.index)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)e_Gamma  (n) Spectral index from the region SHERPA fit error (stat.error)
  (4)pvalue  (n) Single-region p-value from the Poisson model (stat.fit.goodness)
  (4)MLErate ct/s/cm2 (n) Estimated mean source rate (phot.count;em.X-ray)
  (4)STmin  (n) Upper sensitivity threshold (instr.sensitivity)
  (4)STmax  (n) Lower sensitivity threshold (instr.sensitivity)
  (5)Knot (char) Region name (obs.field)
  (5)EpochID (char) Chandra observation ID number (meta.id;obs)
  (5)ExpSource ks Source region exposure (time.expo)
  (5)ExpBkg ks Exposure background exposure (instr.background;obs.exposure)
  (5)Source ct Counts source region counts (phot.count)
  (5)Background ct Counts background region counts (phot.count;obs.field)
  (5)ECF  Encircled counts fraction (phot.count)
  (5)Flux ct/s/cm2 Estimated source flux (phot.flux.density;em.radio)

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