VizieR

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

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

  
VII/279
  SDSS quasar catalog: twelfth data release (Paris+, 2017)
ReadMe+ftp
2017A&A...597A..79P
Similar Catalogs
Post annotation 		img(gal)
1.VII/279/dr12qbalDetailed properties of BAL quasars (29580 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)
  SDSS (char) SDSS-DR12 designation HHMMSS.ss+DDMMSS.s (J2000) corrected by CDS (SDSS_NAMEc) (Note G1)   (meta.id;meta.main)
  SDSSo (char) SDSS-DR12 designation HHMMSS.ss+DDMMSS.s (J2000) (SDSS_NAME) (Note G1)   (meta.id)
  RAJ2000 deg (i) Right Ascension (J2000) (RA) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (DEC) (pos.eq.dec;meta.main)
  THINGID  (i) Thing_ID (unique SDSS source identifier) (THING_ID) (meta.id)
  Plate  Spectroscopic Plate number (PLATE) (obs.field)
  MJD  Spectroscopic MJD (MJD) (time.epoch)
  Fiber  Spectroscopic Fiber number (FIBERID) (phot.mag;em.opt.I)
  z.v  Redshift from visual inspection (Z_VI) (src.redshift;pos.heliocentric)
  z.b  (n) Redshift from BOSS pipeline (Z_PIPE) (src.redshift;pos.heliocentric)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_z.b  (n) []? Error on BOSS pipeline redshift (error codes -4, -5, -6) (ERR_ZPIPE) (stat.error;src.redshift)
  f_z.b  ZWARNING flag (ZWARNING) (Note G3)   (meta.code)
  z.PCA  (n) PCA redshift (Z_PCA) (Note G4)   (src.redshift;pos.heliocentric)
  e_z.PCA  (n) Error on PCA redshift (ERR_ZPCA) (stat.error;src.redshift)
  Morph  (n) [0/1] SDSS morphology flag 0=point source 1=extended (SDSS_MORPHO) (src.class.starGalaxy)
  Btarg1  BOSS target flag for main survey (BOSS_TARGET1) (G5) (edited in hexadecimal) (Note)   (meta.id)
  Atarg1  BOSS target flag for ancillary programs (ANCILLARY_TARGET1) (G5) (edited in hexadecimal) (Note)   (meta.id)
  Atarg2  BOSS target flag for ancillary programs (ANCILLARY_TARGET2) (Note G5)   (meta.id)
  eBtarg0  Target selection flag for eBOSS pilot survey (EBOSS_TARGET0) (meta.id)
  Fu 3.63uJy PSF flux in the u band (not corrected for Galactic extinction) in nnomggies unit (PSFFLUXu) (Note G2)   (phot.mag;em.opt.U)
  Fg 3.63uJy PSF flux in the g band (not corrected for Galactic extinction) in nnomggies unit (PSFFLUXg) (Note G2)   (phot.mag;em.opt.B)
  Fr 3.63uJy PSF flux in the r band (not corrected for Galactic extinction) in nnomggies unit (PSFFLUXr) (Note G2)   (phot.mag;em.opt.R)
  Fi 3.63uJy PSF flux in the i band (not corrected for Galactic extinction) in nnomggies unit (PSFFLUXi) (Note G2)   (phot.mag;em.opt.I)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Fz 3.63uJy PSF flux in the z band (not corrected for Galactic extinction) in nnomggies unit (PSFFLUXz) (Note G2)   (phot.mag;em.opt.I)
  IVFu  Inverse variance of u flux (IVAR_PSFFLUXu) (phot.mag;em.opt.U)
  IVFg  Inverse variance of g flux (IVAR_PSFFLUXg) (phot.mag;em.opt.B)
  IVFr  Inverse variance of r flux (IVAR_PSFFLUXr) (phot.mag;em.opt.R)
  IVFi  Inverse variance of i flux (IVAR_PSFFLUXi) (phot.mag;em.opt.I)
  IVFz  Inverse variance of z flux (IVAR_PSFFLUXz) (phot.mag;em.opt.I)
  umag mag PSF magnitude in u band (not corrected for Galactic extinction) (PSFMAGu) (phot.mag;em.opt.U)
  gmag mag PSF magnitude in g band (not corrected for Galactic extinction) (PSFMAGg) (phot.mag;em.opt.B)
  rmag mag PSF magnitude in r band (not corrected for Galactic extinction) (PSFMAGr) (phot.mag;em.opt.R)
  imag mag PSF magnitude in i band (not corrected for Galactic extinction) (PSFMAGi) (phot.mag;em.opt.I)
  zmag mag PSF magnitude in z band (not corrected for Galactic extinction) (PSFMAGz) (phot.mag;em.opt.I)
  e_umag mag Error in u PSF magnitude (ERR_PSFMAGu) (stat.error;phot.mag;em.opt.U)
  e_gmag mag Error in g PSF magnitude (ERR_PSFMAGg) (stat.error;phot.mag;em.opt.B)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_rmag mag Error in r PSF magnitude (ERR_PSFMAGr) (stat.error;phot.mag;em.opt.R)
  e_imag mag Error in i PSF magnitude (ERR_PSFMAGi) (stat.error;phot.mag;em.opt.I)
  e_zmag mag Error in z PSF magnitude (ERR_PSFMAGz) (stat.error;phot.mag;em.opt.I)
  Extu mag Galactic extinction in u band (EXTINCTIONu) (Note G8)   (phys.absorption)
  Extg mag Galactic extinction in g band (EXTINCTIONg) (Note G8)   (phys.absorption)
  Extr mag Galactic extinction in r band (EXTINCTIONr) (Note G8)   (phys.absorption)
  Exti mag Galactic extinction in i band (EXTINCTIONi) (Note G8)   (phys.absorption)
  Extz mag Galactic extinction in z band (EXTINCTIONz) (Note G8)   (phys.absorption)
  SNRspec  Median signal-to-noise ratio per pixel over the whole spectrum (SNR_SPEC) (stat.snr)
  SNR1700  Median signal-to-noise ratio per pixel in the window 1650-1750Å (rest frame) (SNR_1700) (stat.snr)
  SNR3000  Median signal-to-noise ratio per pixel in the window 2950-3050Å (rest frame) (SNR_3000) (stat.snr)
  BI(CIVt) km/s (n) Balnicity Index (BI) (BI_CIV) (spect.line.eqWidth)
  e_BI(CIVt) km/s (n) Error on Balnicity index (ERRBICIV) (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  N2t  Number of troughs wider than 2000km/s (NCIV_2000) (meta.number)
  Vmin2t1  Minimum velocity of each detected absorption trough (VMINCIV2000_1) (spect.dopplerVeloc)
  Vmin2t2  Minimum velocity of each detected absorption trough (VMINCIV2000_2) (spect.dopplerVeloc)
  Vmin2t3  Minimum velocity of each detected absorption trough (VMINCIV2000_3) (spect.dopplerVeloc)
  Vmin2t4  Minimum velocity of each detected absorption trough (VMINCIV2000_4) (spect.dopplerVeloc)
  Vmin2t5  Minimum velocity of each detected absorption trough (VMINCIV2000_5) (spect.dopplerVeloc)
  Vmax2t1  Maximum velocity of each detected absorption trough (VMAXCIV2000_1) (spect.dopplerVeloc)
  Vmax2t2  Maximum velocity of each detected absorption trough (VMAXCIV2000_2) (spect.dopplerVeloc)
  Vmax2t3  Maximum velocity of each detected absorption trough (VMAXCIV2000_3) (spect.dopplerVeloc)
  Vmax2t4  Maximum velocity of each detected absorption trough (VMAXCIV2000_4) (spect.dopplerVeloc)
  Vmax2t5  Maximum velocity of each detected absorption trough (VMAXCIV2000_5) (spect.dopplerVeloc)
  posmin2t1 km/s Position of the minimum of each absorption trough (POSMINCIV2000_1) (pos;stat.min)
  posmin2t2 km/s Position of the minimum of each absorption trough (POSMINCIV2000_2) (pos;stat.min)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  posmin2t3 km/s Position of the minimum of each absorption trough (POSMINCIV2000_3) (pos;stat.min)
  posmin2t4 km/s Position of the minimum of each absorption trough (POSMINCIV2000_4) (pos;stat.min)
  posmin2t5 km/s Position of the minimum of each absorption trough (POSMINCIV2000_5) (pos;stat.min)
  Fmin2t1  Normalized flux density at the minimum of each absorption trough (FMINCIV2000_1) (phot.flux;arith.ratio)
  Fmin2t2  Normalized flux density at the minimum of each absorption trough (FMINCIV2000_2) (phot.flux;arith.ratio)
  Fmin2t3  Normalized flux density at the minimum of each absorption trough (FMINCIV2000_3) (phot.flux;arith.ratio)
  Fmin2t4  Normalized flux density at the minimum of each absorption trough (FMINCIV2000_4) (phot.flux;arith.ratio)
  Fmin2t5  Normalized flux density at the minimum of each absorption trough (FMINCIV2000_5) (phot.flux;arith.ratio)
  AI(CIVt) km/s (n) Absorption index (AI) (AI_CIV) (spect.index)
  e_AI(CIVt) km/s (n) Error on absorption index (ERRAICIV) (stat.error)
  N.45t  (n) Number of absorption trough wider than 450km/s (NCIV_450) (meta.number)
  Vmin.45t1  (n) Minimum velocity of first detected absorption trough (VMINCIV450) (spect.dopplerVeloc)
  Vmax.45t1  (n) Maximum velocity of first detected absorption trough (VMAXCIV450) (spect.dopplerVeloc)
  posmin.45t1 km/s (n) Position of the minimum of first absorption trough (POSMINCIV450) (pos;stat.min)
  Fmin.45t1  (n) Normalized flux density at the minimum of first absorption trough (FMINCIV450) (phot.flux;arith.ratio)
  DR12  Display the SDSS data for this quasar (meta.ref.url)

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