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/MNRAS/498/883
  Neutral hydrogen evolution over the past 11Gyr (Grasha+, 2020)
ReadMe+ftp
2020MNRAS.498..883G
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/498/883/table1Journal of Observations (261 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  More (char) Link to Tables 2 and 3 (meta.ref.url)
  Name (char) (i) Source name (meta.id;meta.main)
  f_Name (char) [abc] Flag on Name (Note 1)   (meta.code)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  z  Optical redshift of the background radio object (src.redshift)
  e_z  (n) Error on z (stat.error;src.redshift)
  T1.4 s Total integration time spent on the reduced spectrum for the 1.4GHz bandpass (Note 2)   (time.expo)
  rms1.4 mJy (n) Average measured spectral noise level for the 1.4GHz bandpass (Note 2)   (instr.det.noise;stat.mean)
  f_rms1.4 (char) [*] Flag on rms1.4 (Note 3)   (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  S1.4 Jy (n) Flux limit measured as closely to 1420 MHz (Note 2)   (phot.flux.density;em.radio.750-1500MHz)
  l_NHI1.4 (char) Limit flag on NHI1.4 (meta.code.error)
  NHI1.4 10+18/cm2(n) Column density limit measured as closely to 1420 MHz (Note 2)   (phys.columnDensity)
  T1.0 s Total integration time spent on the reduced spectrum for the 1.0GHz bandpass (Note 4)   (time.expo)
  rms1.0 mJy (n) Average measured spectral noise level for the 1.0GHz bandpass (Note 4)   (instr.det.noise;stat.mean)
  f_rms1.0 (char) [*] Flag on rms1.0 (Note 3)   (meta.code)
  S1.0 Jy (n) Flux limit measured as closely to 1000 MHz (Note 4)   (phot.flux.density;em.radio.750-1500MHz)
  l_NHI1.0 (char) Limit flag on NHI1.0 (meta.code.error)
  NHI1.0 10+18/cm2(n) Column density limit measured as closely to 1000MHz (Note 4)   (phys.columnDensity)
  T800 s Total integration time spent on the reduced spectrum for the 800MHz bandpass (Note 5)   (time.expo)
  rms800 mJy (n) Average measured spectral noise level for the 800MHz bandpass (Note 5)   (instr.det.noise;stat.mean)
  f_rms800 (char) [*] Flag on rms800 (Note 3)   (meta.code)
  S800 Jy (n) Flux limit measured as closely to 800 MHz (Note 5)   (phot.flux.density;em.radio.750-1500MHz)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_S800 Jy (n) Error on S800 (stat.error)
  l_NHI800 (char) Limit flag on NHI800 (meta.code.error)
  NHI800 10+18/cm2(n) Column density limit measured as closely to 800MHz (Note 5)   (phys.columnDensity)
  T450 s Total integration time spent on the reduced spectrum for the 450MHz bandpass (Note 6)   (time.expo)
  rms450 mJy (n) Average measured spectral noise level for the 450MHz bandpass (Note 6)   (instr.det.noise;stat.mean)
  f_rms450 (char) [*] Flag on rms450 (Note 3)   (meta.code)
  S450 Jy (n) Flux limit measured as closely to 450MHz (Note 6)   (phot.flux.density;em.radio.400-750MHz)
  l_NHI450 (char) Limit flag on NHI450 (meta.code.error)
  NHI450 10+18/cm2(n) Column density limit measured as closely to 450MHz (Note 6)   (phys.columnDensity)
  Dztot  (n) Total redshift searched per source in all the receivers (src.redshift;pos.heliocentric)
  f_Dztot (char) [*] Flag on Dztot (Note 3)   (meta.code)
  SimbadName (char) (n)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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