VizieR

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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/MNRAS/263/425
  Low-z BQS Quasars (Miller+, 1993)
ReadMe+ftp
1993MNRAS.263..425M
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/263/425/table2(c)Optical positions (89 rows)
2.J/MNRAS/263/425/table3(c)Radio data (89 rows)
3.J/MNRAS/263/425/table4aRadio data from the literature (45 rows)
4.J/MNRAS/263/425/table4bSpectral indices (29 rows)
5.J/MNRAS/263/425/reftab4References for table4a and table4b (28 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  (1+2+3+4)Name (char) Schmidt & Green catalogue identifier ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (1)Opt (char) [ACDGEHIS ] Code representing source of new optical position (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  (1+2)RA1950 "h:m:s" Right Ascension 1950.0 ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (1+2)DE1950 "d:m:s" Declination 1950.0 ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (1+2)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned))
  (1+2)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  (2)l_F4.86 (char) Limit flag on total 4.86-GHz flux density ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  (2)F4.86 mJy (n) []? Total 4.86-GHz flux density, from Kellermann (1989) (D-array observations) except where indicated in the text. ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (2)l_PB4.86 (char) limit flag on 4.86-GHz peak brightness ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (2)PB4.86 mJy (n) []? 4.86-GHz peak brightness of the central component in from the high-resolution (VLA A-array) maps. ((unassigned);phys.luminosity.fun;arith.grad;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)n_PB4.86 (char) A * symbol denotes a brightness which has been derived from a brightness at 1.5GHz with {alpha}= 0.7 ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (2+4)Class (char) [DPEQ? ] Radio-structure classification (Note 1)   ((unassigned);(unassigned);(unassigned);phys.mass;meta.main)
  (2)theta arcsec (n) []? Angular size (phot.count;pos.wcs.scale;arith.factor;time.period.rotation)
  (3)F151 Jy (n) []? Flux density at 151MHz (1) (Note 1)   ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;time.period.rotation;(unassigned))
  (3)r_F151 (char) References code (see table4c) ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;?)
  (3)l_F408 (char) limit flag on flux density at 408MHz ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (3)F408 Jy (n) []? Flux density at 408MHz ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (3)r_F408 (char) References code (see table4c) ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;?)
  (3)l_F1490 (char) limit flag on flux density at 1490MHz ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (3)F1490 mJy (n) []? Flux densities at 1490 MHz (or 1415 MHz) ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (3)r_F1490 (char) References code (see table4c) ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion;?)
  (3)OF1490 arcsec (n) []? Resolution of observations when several resolutions were used ((unassigned);phys.veloc.orbital;arith.diff;meta.fits;stat.median)
  (3)l_F4860 (char) limit flag on flux density at 4860 MHz ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)F4860 mJy (n) []? Flux density at 4860 MHz ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (3)r_F4860 (char) References code (see table4c) ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;?)
  (3)OF4860 arcsec (n) []? Resolution of observations when several resolutions were used ((unassigned);(unassigned);(unassigned);meta.fits;stat.median)
  (3)F8400 mJy (n) []? flux density at 8400 MHz ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (3)r_F8400 (char) References code (see table4c) ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;?)
  (3)l_F14900 (char) limit flag on flux density at 14900 MHz ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (3)F14900 mJy (n) []? Flux density at 14900 Mhz (or 14800 MHz) ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (3)r_F14900 (char) References code (see table4c) ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;?)
  (3)OF14900 arcsec (n) []? Resolution of observations when several resolutions were used ((unassigned);(unassigned);(unassigned);meta.fits;stat.median)
  (3)ref (char) References to lower-resolution maps. ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion)
  (4)l_alpha (char) limit flag on spectral index ((unassigned);(unassigned);(unassigned);pos.galactic.lon;(unassigned))
  (4)alpha  (n) []? Spectral Index between frequencies {nu}1 and {nu}2, for {nu}1 in the next column and {nu}2=4860MHz (except PG0838+770, for which {nu}2=14900MHz). ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  (4)Nu1 MHz (n) []? Lower frequency in MHz. ((unassigned);(unassigned);(unassigned);instr.spect;arith.rate)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4+5)Ref (char) References to flux densities, for determination of {alpha}, in format (S{nu}1_, S{nu}2_); and notes on this calculation. ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;meta.abstract)
  (5)Abbr (char) Abbreviation ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  (5)Surey (char) Survey title ((unassigned);(unassigned);(unassigned);stat.error)
  (5)Obs (char) Observation epoch(s) ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  (5)Resol (char) Resolution(s) ((unassigned);(unassigned);(unassigned);meta.fits)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846508643 Where phase=3 and catid=72630425
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846508643 Where phase=3 and catid=72630425
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846508643 Where phase=3 and catid=72630425
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR1839980.err (2026-10-28T13:17:22)
-3
-source=J/MNRAS/263/425
-ref=VIZ6ae1f5e31c136c
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