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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/672/A123
  Lensed QSO candidates in DESI-LS DR9 (He+, 2023) Query images/fits /fits
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2023A&A...672A.123H
Similar Catalogs
image/fits
Post annotation 		img(gal)
1.J/A+A/672/A123/table1(c)H22 catalog (all candidates) (971 rows)
2.J/A+A/672/A123/table2(c)New candidates in detail (every images of each candidate in H22 description) (1977 rows)
3.J/A+A/672/A123/list(c)List of fits images (971 rows)
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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)
   (ALL)IntID  Internal ID that links this system to QSO group catalogue (QGC) (internal_ID) (meta.id;meta.main)
   (ALL)RAJ2000 deg (i) Right ascension (J2000) (RA) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination (J2000) (Dec) (pos.eq.dec;meta.main)
  (1)SRF  One of the scores defined in Sec. 3.2.1 (S_RF) (stat.fit.goodness)
  (1)Scolour  One of the scores defined in Sec. 3.2.1 (S_colour) (stat.fit.goodness)
  (1)Sepmax arcmin Maximum image separation in arcseconds (Sep_max) (pos.angDistance)
  (1)Sepmin arcmin Minimum image separation in arcseconds (Sep_min) (pos.angDistance;stat.min)
  (1)Sepmean arcmin Mean image separation in arcseconds (Sep_mean) (pos.angDistance;stat.mean)
  (1+2)Grade (char) [ABC] Grades of lensed QSO candidates (A, B, or C) (Grade) (meta.code.qual)
  (1)GradeLR (char) [ABC] Grades of lensed QSO candidates (A, B, or C) that are given independently by the fourth author (GradebyLR) (meta.code.qual)

ALL cols		    
 (i)indexed column
  (1)Nimg  Number of images (NUMOFIMG) (meta.number)
  (1)inKLQ  Whether this candidate exists in reference sample RLQ (in_KLQ) (meta.code)
  (1)inD22  Whether this candidate exists in Dawes et al., 2022 (in_D22) (Note 1)   (meta.code)
  (1)inL22  Whether this candidate exists in Lemon et al., 2022, MNRAS, in prep. (in_L22) (meta.code)
  (1)GradeD22 (char) [ABC] Grades of lensed QSO candidates (A, B, or C) given in D22 (GradebyD22) (meta.code.qual)
  (1)Class (char) The classification in Lemon et al., 2022, MNRAS, in prep. (lens, NIQ, projected QSOs, or QSO pairs) (ClassificationbyL22) (meta.code.class)
  (1)q  (n) Axis ratio of SIE profile given by lens modelling (q) (phys.size.axisRatio)
  (1)phi  (n) Position angle of SIE profile (+x-axis is zero, counterclockwise is positive) given by lens modelling (phi) (pos.posAng)
  (1)rEin  (n) Einstein radius given by lens modelling (rein) (phys.angSize;src)
  (1)mchi2  (n) The chi2 that calculated by the best-fitted lens model and observation data (minimised_chi2) (stat.fit.chi2)
  (1)BIC  (n) The Bayesian information criterion that is defined in Sec. 4.3. (BIC) (stat.fit.param)
  (1)Note (char) Comments on this lensed QSO candidate (NOTE) (meta.note)
  (2)gmag mag g-band magnitude of this image (g) (phot.mag;em.opt.B)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)rmag mag r-band magnitude of this image (r) (phot.mag;em.opt.R)
  (2)zmag mag z-band magnitude of this image (z) (phot.mag;em.opt.I)
  (2)W1mag mag W1-band magnitude of this image (W1) (phot.mag;em.IR.3-4um)
  (2)W2mag mag W2-band magnitude of this image (W2) (phot.mag;em.IR.4-8um)
  (2)z  (n) The matched redshift from eBOSS DR16 (if available) (redshift) (src.redshift)
  (3)scale arcsec/pixScale of the image (instr.scale)
  (3)Nx  Number of pixels along X-axis (meta.number)
  (3)Ny  Number of pixels along Y-axis (meta.number)
  (3)Nz  Number of slices (meta.number)
  (3)size Kibyte Size of FITS file (phys.size;meta.fits)
  (3)FileName (char) Name of FITS file, in subdirectory fits (meta.id;meta.fits)
  (3)Title (char) Title of the FITS file (meta.title;meta.fits)

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