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VizieR

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J/ApJS/221/2
  Keck+Magellan survey for LLSs. III. (Prochaska+, 2015)
Post annotation
img(gal)
1.J/ApJS/221/2/table1(c)Journal of HIRES observations (65 rows)
2.J/ApJS/221/2/table2(c)Journal of MIKE observations (56 rows)
3.J/ApJS/221/2/colIonic column summary for Si, C, Al, Fe and O (tables 4 and 5) (162 rows)
4.J/ApJS/221/2/table6(c)Ionic column densities for 130 unique quasars (2487 rows)

 
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)
  (1+2)N  (n)Display the ionic column densities for this QSO if any (meta.ref.url)
   (ALL)ID (char) Quasar identifier (meta.id;meta.main)
  (1+2)AName (char) Alternative name (meta.id)
  (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+2)mag   [16/19.1] r-band or V-band magnitude (Note 1)   (phot.mag)
  (1+2)zem   [1.8/4.5] Quasar emission redshift (src.redshift)
  (1+2)Date "Y:M:D" (n)Observation UT date (time.epoch;obs)
  (1+2)Slit (char) Slit (Decker employed) (Note)   (meta.note)
  (1)Mode (char) Mode (only for table 1) (instr.setup)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+2)Exp s [1295/21600] Exposure time (time.duration;obs.exposure)
  (1+2)S/N (char) pix-1 HIRES signal to noise ratio (Note 3)   (stat.snr)
  (2)S/Nr (char) pix-1 Signal to noise ratio (red) (only for table2) (Note 4)   (stat.snr)
  (3+4)zabs   [1.7/4.4] Redshift derived from absorption lines (src.redshift)
  (3+4)logNHI [cm-2] [16.9/20.3] Log H I column density (phys.columnDensity)
  (3)e_logNHI [cm-2] Lower uncertainty in logNHI (stat.error)
  (3)E_logNHI [cm-2] Upper uncertainty in logNHI (stat.error;stat.max)
  (3)l_logNC+ (char) Lower or upper limit at 95% confidence limit (meta.code.error)
  (3)logNC+ [cm-2] (n) Log C+ column density (phys.columnDensity)
  (3)e_logNC+ [cm-2] (n) Uncertainty in logNC+ (stat.error)
  (3)l_logNC3+ (char) Lower or upper limit at 95% confidence limit (meta.code.error)
  (3)logNC3+ [cm-2] (n) Log C3+ column density (phys.columnDensity)
  (3)e_logNC3+ [cm-2] (n) Uncertainty in logNC3+ (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)l_logNSi+ (char) Lower or upper limit at 95% confidence limit (meta.code.error)
  (3)logNSi+ [cm-2] (n) Log Si+ column density (phys.columnDensity)
  (3)e_logNSi+ [cm-2] (n) Uncertainty in logNSi+ (stat.error)
  (3)l_logNSi3+ (char) Lower or upper limit at 95% confidence limit (meta.code.error)
  (3)logNSi3+ [cm-2] (n) Log Si3+ column density (phys.columnDensity)
  (3)e_logNSi3+ [cm-2] (n) Uncertainty in logNSi3+ (stat.error)
  (3)l_logNO0 (char) Lower or upper limit at 95% confidence limit (meta.code.error)
  (3)logNO0 [cm-2] (n) Log O0 column density (phys.columnDensity)
  (3)e_logNO0 [cm-2] (n) Uncertainty in logNO0 (stat.error)
  (3)l_logNAl+ (char) Lower or upper limit at 95% confidence limit (meta.code.error)
  (3)logNAl+ [cm-2] (n) Log Al+ column density (phys.columnDensity)
  (3)e_logNAl+ [cm-2] (n) Uncertainty in logNAl+ (stat.error)
  (3)l_logNAl++ (char) Lower or upper limit at 95% confidence limit (meta.code.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)logNAl++ [cm-2] (n) Log Al++ column density (phys.columnDensity)
  (3)e_logNAl++ [cm-2] (n) Uncertainty in logNAl++ (stat.error)
  (3)l_logNFe+ (char) Lower or upper limit at 95% confidence limit (meta.code.error)
  (3)logNFe+ [cm-2] (n) Log Fe+ column density (phys.columnDensity)
  (3)e_logNFe+ [cm-2] (n) Uncertainty in logNFe+ (stat.error)
  (4)lambda 0.1nm [922.2/2853] Transition rest wavelength in Angstroms (em.wl;phys.atmol.transition)
  (4)vmin km/s [-984/75] Minimum velocity limit (phys.veloc)
  (4)vmax km/s [-183/2931] Maximum velocity limit (phys.veloc)
  (4)l_logN (char) Limit flag on logN (meta.code.error)
  (4)logN [cm-2] [11.1/18] Log column density (phys.columnDensity)
  (4)e_logN [cm-2] (n) [0/0.2] Standard deviation in logN) (stat.error)
  (4)Ion  (n) [6.2/30.2] Numeric ion designation (Note 1)   (phys.atmol.ionStage)
  (4)l_logNion (char) Limit flag on logNion (meta.code.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)logNion [cm-2] (n) [11.1/15.8] Log ion column density (phys.columnDensity)
  (4)e_logNion [cm-2] (n) [0.05/0.2] Standard deviation in logNion (stat.error)
  (4)S (char) Link to ionic column summary (meta.ref.url)

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