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J/ApJS/262/51
  Swift X-ray obs. of 31 SMS4 QSOs & radio gal. (Maselli+, 2022)
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2022ApJS..262...51M
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1.J/ApJS/262/51/table1(c)*List of correspondences established between the 31 SMS4 sources in our sample and the GLEAM 4Jy (G4Jy) or TGSS-ADR1 sources (Note) (31 rows)
2.J/ApJS/262/51/detect(c)Swift-XRT detections of SMS4 sources of our sample (Table 2) and candidate counterparts (Table 7) (20 rows)
3.J/ApJS/262/51/table3XRT count rate 3σ upper limits at the position of the 11 SMS4 sources of our sample not detected by Swift (11 rows)
4.J/ApJS/262/51/table8(c)SMS4 sources with no data (2021 September) from narrow-field X-ray telescopes on board Swift, Chandra, or XMM-Newton (56 rows)

Simple ConstraintList Of Constraints
 
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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)
  (1+3+4)Cat (char) G4Jy sample or TGSS-ADR1 (meta.id;meta.dataset)
   (ALL)SMS4 (char) (i) SMS4 name according to the MRC or PKS (for B2148-555 only) designation (BHHMM+DDd) (meta.id;meta.main)
   (ALL)n_SMS4 (char) Note on SMS4 (Note 1)   (meta.note)
  (1)Det (char) d=Swift detection (in Table 2) or n=not detected by Swift (in Table 3) (meta.ref.url)
  (1+4)S178 Jy [11/59] Extrapolated flux density S178 (phot.flux.density;em.radio.100-200MHz)
  (1+4)LAS arcsec [10/780] the largest angular size of the radio source at 843MHz (phys.angSize;em.radio.750-1500MHz;stat.max)
  (1+4)l_z (char) Lower limit flag on z (meta.code.error;src.redshift)
  (1+4)z   [0.038/1.52] Redshift (src.redshift)
  (1+4)n_z (char) p=photometric (meta.note)
  (1)Name (char) IAU name in G4Jy according to the GLEAM designation or in TGSS-ADR1 (JHHMMSS+DDMMSS) (meta.id.cross)

ALL cols		    
 (i)indexed column
  (1)G4Jy  (n) [20/1732] G4Jy identifier (meta.id.cross)
  (1+2+4)RAJ2000 "h:m:s" (i) Hour of right ascension (J2000) (pos.eq.ra;meta.main)
  (1+2+4)DEJ2000 "d:m:s" (i) Degree of declination (J2000) (pos.eq.dec;meta.main)
  (1)Flux Jy [6.2/50.04] Actual flux density (Note 2)   (phot.flux.density;em.radio)
  (1)e_Flux Jy [0.01/1.32] Flux uncertainty (stat.error;phot.flux)
  (1)Morph (char) Radio source morphology (Note 3)   (src.morph)
  (1+4)MRC  (n)Display data from the Molonglo Southern 4Jy cat (Burgess+, 2006, J/AJ/131/100 and J/AJ/131/114) within 10" (meta.ref.url)
  (1)TGSS  (n)Display data from the GMRT 150MHz cat. (Intema+, 2017, J/A+A/598/A78) within 10" (meta.ref.url)
  (1+4)SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  (1+4)NED (char) ask the NED data-base about this object (meta.ref.url)
  (1+4)LEDA (char) ask the LEDA data-base about this object (meta.ref.url)
  (2)ePos arcsec [3.6/6.5] Positional error radius at the 90% confidence level (stat.error;phys.angSize)
  (2)CRte 10-3ct/s [1.3/190.1] 0.3-10keV count rate in 10–3counts/s (phot.count;em.X-ray)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)e_CRte 10-3ct/s [0.6/8.8] CRte uncertainty (stat.error)
  (2)l_P (char) Limit flag on P (meta.code.error)
  (2+3)P  Probability, P, that the signal is a statistical fluctuation of the background (stat.fit.goodness)
  (2+3)Date1 "Y:M:D" (n)First date of Swift observation (UT) (time.epoch;obs)
  (2+3)Date2 "Y:M:D" (n)Latest date of Swift observation (UT) (time.epoch;obs)
  (2+3)Nobs   [1/15] Number of Swift observations (meta.number)
  (2+3)Exp s [1221/9203] Exposure time (time.duration;obs.exposure)
  (2)f_SMS4 (char) Flag on SMS4 (Note 1)   (meta.code)
  (2)Cl (char) Object class (A=unique candidate counterpart) (Note 2)   (meta.code)
  (2)IRCat (char) Infrared catalog identification (Note 3)   (meta.id;meta.table)
  (2)IRId (char) Infrared source identification (JHHMMSS.ss+DDMMSS.s) (meta.id.cross)
  (2)f_IRId (char) Flag on IRId (Note 1)   (meta.code)
  (2)W1mag mag [11.55/17.09] WISE W1 (3.4um) band magnitude (phot.mag;em.IR.3-4um)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)W1-W2 mag [0.25/1.52] W1-W2 color index (phot.color;em.IR;em.IR)
  (2)OID (char) Optical source identification (meta.id.cross)
  (2)delta arcsec [0.11/1.55] the angular separation Δ between the given infrared and optical sources (pos.angDistance)
  (3)Lim   [2.1/14.9] 0.3-10keV count rate upper limit at the position of the radio coordinates (phot.count;em.X-ray;stat.max)
  (4)S181 Jy [5.5/34.6] Total integrated flux density S181 from G4Jy (phot.flux.density;em.radio.100-200MHz)
  (4)RCl (char) Structural classification of the radio source (Note 1)   (meta.code.class)
  (4)OCl (char) Classification of the associated optical counterpart (Note 2)   (meta.code.class)

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