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/ApJ/753/106
  Quasar variability with SDSS and POSS imaging (MacLeod+, 2012)
ReadMe+ftp
2012ApJ...753..106M
Similar Catalogs
timeSerie
Post annotation 		img(gal)
1.J/ApJ/753/106/northcat(c)*Master Norhtern catalog of quasars with at least two photometric observations (master_2obsDR7.dat ) (Note) (33881 rows)
2.J/ApJ/753/106/southcat(c)SDSS S82 spectroscopically confirmed quasars; selected data (DBQSOS82.dat)[timeSerie] (9258 rows)
3.J/ApJ/753/106/sdssposs(c)All SDSS DR7 quasars with DPOSS observations (81189 rows)
Help Xmatch is

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)SDSS (char) DR7 Object Designation (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)
   (ALL)RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
   (ALL)z   [0.08/5.5] Redshift (src.redshift)
  (1+2)umag mag (n) [15.5/26.8] BEST SDSS u band PSF AB magnitude (Note G2)   (phot.mag;em.opt.U)
  (1)e_umag mag (n) [0.009/5.5] Error in umag (stat.error;phot.mag)
   (ALL)gmag mag (n) [15.4/26.5] BEST SDSS g band PSF AB magnitude (Note G2)   (phot.mag;em.opt.B)
  (1+3)e_gmag mag (n) [0.004/1.5] Error in gmag (stat.error;phot.mag)
   (ALL)rmag mag (n) [15.2/22.6] BEST SDSS r band PSF AB magnitude (Note G2)   (phot.mag;em.opt.R)
  (1+3)e_rmag mag (n) [0.004/4.8] Error in rmag (stat.error;phot.mag)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)imag mag (n) [15/22.1] BEST SDSS i band PSF AB magnitude (Note G2)   (phot.mag;em.opt.I)
  (1+3)e_imag mag (n) [0.005/6] Error in imag (stat.error;phot.mag)
  (1+2)zmag mag (n) [14.8/22.7] BEST SDSS z band PSF AB magnitude (Note G2)   (phot.mag;em.opt.I)
  (1)e_zmag mag (n) [0.01/2.3] Error in zmag (stat.error;phot.mag)
   (ALL)Au mag [0.02/3] Galactic extinction in u filter (Note G3)   (phys.absorption.gal;em.opt.U)
  (1)logNH [cm-2] [19.7/21.4] Log of Galactic HI column density (phys.columnDensity;pos.galactic)
  (1)F20 mag [-1/16.4] FIRST Peak 20cm flux density (Note 1)   (phot.flux.density;em.radio.750-1500MHz)
  (1)q_F20   [0/1000] Signal-to-ratio for F20 (meta.code.qual)
  (1)SepSF arcsec [0/2] SDSS/FIRST separation (pos.angDistance)
  (1)logCR [ct/s] [-9/-0.1] RASS BSC/FSC full band count rate (Note 2)   (phot.count;em.X-ray)
  (1)q_logCR   [0/24] Signal-to-ratio for logCR (meta.code.qual)
  (1)SepSR arcsec [0/30] SDSS/RASS separation (pos.angDistance)
  (1)Jmag mag (n) [13/18.7] 2MASS J band magnitude (Note 3)   (phot.mag;em.IR.J)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_Jmag mag (n) [0.02/0.5] Error in Jmag (stat.error;phot.mag)
  (1)Hmag mag (n) [12.2/17.7] 2MASS H band magnitude (Note 3)   (phot.mag;em.IR.H)
  (1)e_Hmag mag (n) [0.02/0.6] Error in Hmag (stat.error;phot.mag)
  (1)Ksmag mag (n) [11.3/17.15] 2MASS Ks band magnitude (Note 3)   (phot.mag;em.IR.K)
  (1)e_Ksmag mag (n) [0.02/0.6] Error in Kmag (stat.error;phot.mag)
  (1)SepS2M arcsec [0/2] SDSS/2MASS separation (pos.angDistance)
  (1)2Flg   [0/26] 2MASS Flags (Note 4)   (meta.code)
   (ALL)iMag mag [-30.3/-22] Absolute SDSS i band magnitude (Note G1)   (phys.magAbs;em.opt.I)
  (1)D(g-i) mag [-1.4/3.7] The (g-i) color offset (Note 5)   (phot.color;em.opt.B;em.opt.I)
  (1)MFlg  Morphology flag (1=extended; 0=point source) (meta.code)
  (1)SciFlg  SCIENCEPRIMARY flag (1=is SCIENCEPRIMARY) (meta.code)
  (1)SMFlg   [0/3] SDSS MODE flag (Note 6)   (meta.code)
  (1)UFlg  Uniform target selection flag (1=selected with final algorithm) (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)BFlg   [0/573571072] Target selection flag; BEST (meta.code)
  (1)BLow-z  Low-z Quasar, color selection only, target flag (1=targeted) (meta.code)
  (1)BHi-z  High-z Quasar, color selection only, target flag (1=targeted) (meta.code)
  (1)BFTFlg  FIRST target flag (1=targeted) (meta.code)
  (1)BRTFlg  ROSAT target flag (1=targeted) (meta.code)
  (1)BSerFlg  Serendipity target flag (1=targeted) (meta.code)
  (1)BStarFlg  Star target flag (1=targeted) (meta.code)
  (1)BGalFlg  Galaxy target flag (1=targeted) (meta.code)
  (1)Run   [94/7264] SDSS Imaging Run Number for photometric measurements (meta.id)
  (1)MJD-I d (i) Modified Julian Date of imaging observation (time.epoch)
  (1)MJD-S d Modified Julian Date of spectroscopic observation (time.epoch)
  (1+3)Plate  Spectroscopic Plate Number (meta.id;instr.plate)
  (1)Fiber  Spectroscopic Fiber Number (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)ReRun  SDSS Photometric Processing Rerun Number (meta.id;obs)
  (1)Camera  SDSS Camera Column Number (meta.id;instr)
  (1)Frame  SDSS Frame Number (obs.field)
  (1)Object  SDSS Object Number (meta.id)
  (1)TFlg  Target selection flag; TARGET (meta.code)
  (1)TLow-z  Low-z Quasar, color selection only, target flag (1=targeted) (meta.code)
  (1)THi-z  High-z Quasar, color selection only, target flag (1=targeted) (meta.code)
  (1)TFTFlg  FIRST target flag (1=targeted) (meta.code)
  (1)TRTFlg  ROSAT target flag (1=targeted) (meta.code)
  (1)TSerFlg  Serendipity target flag (1=targeted) (meta.code)
  (1)TStarFlg  Star target flag (1=targeted) (meta.code)
  (1)TGalFlg  Galaxy target flag (1=targeted) (meta.code)
  (1)uTmag mag (n) TARGET SDSS u band PSF magnitude (Note G2)   (phot.mag;em.opt.U)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_uTmag mag (n) Error in uTmag (stat.error;phot.mag)
  (1)gTmag mag (n) TARGET SDSS g band PSF magnitude (Note G2)   (phot.mag;em.opt.B)
  (1)e_gTmag mag (n) Error in gTmag (stat.error;phot.mag)
  (1)rTmag mag (n) TARGET SDSS r band PSF magnitude (Note G2)   (phot.mag;em.opt.R)
  (1)e_rTmag mag (n) Error in rTmag (stat.error;phot.mag)
  (1)iTmag mag (n) TARGET SDSS i band PSF magnitude (Note G2)   (phot.mag;em.opt.I)
  (1)e_iTmag mag (n) Error in iTmag (stat.error;phot.mag)
  (1)zTmag mag (n) TARGET SDSS z band PSF magnitude (Note G2)   (phot.mag;em.opt.I)
  (1)e_zTmag mag (n) Error in zTmag (stat.error;phot.mag)
  (1)ObjID  BEST object ID; 64-bit integer (meta.id)
  (1)SpecID  Spectroscopic Object ID; 64-bit integer (meta.id)
  (1)Name (char) Previously published name (Note 7)   (meta.id)
   (ALL)Sloan (char) Display the online SDSS-DR16 data for the nearest object (meta.ref.url)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1+2)NED (char) ask the NED data-base about this object (meta.ref.url)
  (2)DBID   [70/7913279] Internal identifier (Name of the light curve file) (meta.id;meta.main)
  (2+3)SDR5ID  (n) [1/77429] Row of DR5 Quasar Catalog IV (Schneider+ 2007, VII/252) (meta.id)
  (2)iMagc mag [-30.07/-1] Corrected absolute i-band magnitude; K-corrected to z=2 (Note 1)   (phys.magAbs;em.opt.I)
  (2)MBH [Msun] (n) [-1/10.97] log of black hole mass (Note 1)   (phys.mass)
  (2+3)logLbol [10-7W] (n) [-1/47.9] Log of bolometric luminosity in erg/s (Note 1)   (phys.luminosity)
  (2+3)S11 (char) Display data from Shen+, 2011, J/ApJS/194/45 within 1" (meta.ref.url)
  (2)LC (char) Interactive LC plot (meta.ref.url)
  (2+3)SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  (3)EpochG yr (i) [1986.11/2000.03] Epoch of the DPOSS observation in the G band (time.epoch)
  (3)EpochR yr [1986.67/1999.87] Epoch of the DPOSS observation in the R band (time.epoch)
  (3)EpochI yr [-123/2000.26] Epoch of the DPOSS observation in the I band (time.epoch)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)Gmag mag (n) [11.6/23.7] DPOSS G-band magnitude not corrected for Galactic absorption (phot.mag;em.opt)
  (3)e_Gmag mag (n) [0/2] Uncertainty on the Gmag (stat.error;phot.mag)
  (3)q_Gmag   [0/1] Quality of Gmag (1=good) (Note 1)   (meta.code.qual)
  (3)Rmag mag (n) [14.2/23] DPOSS R magnitude not corrected for Galactic absorption (phot.mag;em.opt.R)
  (3)e_Rmag mag (n) [0.05/0.7] Uncertainty on the Rmag (stat.error;phot.mag)
  (3)q_Rmag   [0/1] Quality of Rmag (1=good) (Note 1)   (meta.code.qual)
  (3)Imag mag (n) [10.4/23.1] DPOSS I band magnitude not corrected for Galactic absorption (phot.mag;em.opt.I)
  (3)e_Imag mag (n) [0.06/0.6] Uncertainty on the Imag (stat.error;phot.mag)
  (3)q_Imag   [0/1] Quality of Imag (1=good) (Note 1)   (meta.code.qual)
  (3)MBH Msun (n) [6.9/11.4] log of black hole mass (Note 2)   (phys.mass)
  (3)Nobs   [1/143] Number of observations (meta.number)
  (3)Flag   [0/1] Flag for Stripe 82 object (meta.code.error)
  (3)MJDr d (n) [51075/54210] Modified Julian Date for SDSS r-band imaging observation (time.epoch)

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