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:
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/546/A67
  Catalog of strong MgII absorbers (Lawther+, 2012)
ReadMe+ftp
2012A&A...546A..67L
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/546/A67/mgiicat(c)SDSS strong MgII absorber catalog (10367 rows)
2.J/A+A/546/A67/cssn8Number of sightlines g(z) for S/N>8 (220 rows)
3.J/A+A/546/A67/cssn15Number of sightlines g(z) for S/N>15 (215 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)
  (1)Spect   [86/82107] Spectrum number (order spectra were processed) (meta.id)
  (1)MJD d Modified Julian date of SDSS observation (time.epoch)
  (1)Plate  SDSS plate ID for this spectrum (meta.id;instr.plate)
  (1)Fiber  SDSS fiber ID for this spectrum (meta.id;meta.main)
  (1)zqso  Quasar redshift (according to SDSS DR7 SpecBS pipeline) (src.redshift;pos.heliocentric)
  (1)WR1 0.1nm Equivalent width of MgII 2796Å line (spect.line.eqWidth)
  (1)eWR1 0.1nm Error on EW of MgII 2796Å line (stat.error)
  (1)lam1 0.1nm Observed wavelength of MgII 2796Å line (em.wl)
  (1)Amp1 10-19W/m2/nmAmplitude of MgII 2796Å line (src.var.amplitude;spect.line)
  (1)WId1 0.1nm Observed width (sigma) of MgII 2796Å line (spect.line.width)

ALL cols		    
 (i)indexed column
  (1)Bas1 10-19W/m2/nmEstimated continuum flux level at MgII 2796Å line (phot.flux.density;spect.continuum;phys.atmol.level)
  (1)WR2 0.1nm Observed equivalent width of MgII 2803Å line (spect.line.eqWidth)
  (1)eWR2 0.1nm Error on EW of MgII 2803 line (stat.error)
  (1)lam2 0.1nm Observed wavelength of MgII 2803Å line (em.wl)
  (1)Amp2 10-19W/m2/nmAmplitude of MgII 2803Å line (src.var.amplitude;spect.line)
  (1)WId2 0.1nm Observed width (sigma) of MgII 2803 line (spect.line.width)
  (1)Bas2 10-19W/m2/nmEstimated continuum flux level at MgII 2803Å line (phot.flux.density;spect.continuum;phys.atmol.level)
  (1)Frac1  Estimated continuum fraction of quasar light absorbed by MgII 2796Å (Note 1)   (phys.composition.massLightRatio;spect.continuum)
  (1)Frac2  Estimated continuum fraction of quasar light absorbed by MgII 2803Å (Note 1)   (phys.composition.massLightRatio;spect.continuum)
  (1)Bad   [0/1] Flag indicating bad quasar continuum fit if set to 1 (meta.code)
  (1)Err  Error margin (in σ) of MgII doublet separation from theoretical value (stat.error;pos.angDistance)
  (1)Flag   [0/2] Flag for unusually wide MgII profile fits (Note 2)   (meta.code.error)
  (1)Bal   [0/1] Flag, 1 if spectrum is classified as BAL by Shen et al. 2010 (meta.code)

ALL cols		    
 (i)indexed column
  (1)SNR  Signal-to-noise ratio around MgII 2796Å line (stat.snr;spect.line)
  (1)Ov  Flag for overlapping MgII auto-selected candidates (meta.code)
  (1)WRFe 0.1nm Equivalent width of Fe 2600Å line (zero if no clear Fe 2600Å detection) (spect.line.eqWidth)
  (1)WRMgI 0.1nm Equivalent width of MgI line (zero if no clear MgI detection) (spect.line.eqWidth)
  (1)lam.w 0.1nm Wavelength of weak component in composite system (zero if no subsystems found) (Note 3)   (em.wl)
  (1)Man   [0/1] Flag, 1 if system has been visually inspected and judged ok (meta.code)
  (1)umag  Apparent magnitude of quasar in SDSS u imaging band (phot.mag;em.opt.U)
  (1)gmag  Apparent magnitude of quasar in SDSS g imaging band (phot.mag;em.opt.B)
  (1)rmag  Apparent magnitude of quasar in SDSS r imaging band (phot.mag;em.opt.R)
  (1)imag  Apparent magnitude of quasar in SDSS i imaging band (phot.mag;em.opt.I)
  (1)zmag  Apparent magnitude of quasar in SDSS z imaging band (phot.mag;em.opt.I)
  (1)iMAG  Absolute i magnitude of quasar, from Schneider et al. (2010, Cat. VII/260) (phys.magAbs)
  (1)Sloan (char) Display the SDSS data for this quasar (meta.ref.url)

ALL cols		    
 (i)indexed column
  (1)_RA deg (i) Positions from SDSS-DR8 (right ascension part) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Positions from SDSS-DR8 (declination part) (pos.eq.dec;meta.main)
  (2+3)zmin  Lower limit of redshift bin (src.redshift;pos.heliocentric)
  (2+3)zmax  Upper limit of redshift bin (src.redshift;pos.heliocentric)
  (2+3)Nsp  Number of spectra searched for MgII in this z bin (meta.number)
  (2+3)Nsp(noBAL)  Number of non-BAL spectra searched in this z bin. (meta.number)
  (2+3)Nsp(wC)  Number of spectra with fitted power-law continuum in this z bin. (meta.number)

ALL cols		    
 (i)indexed column
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