VizieR

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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/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
 
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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+2+3+4)Name (char) Schmidt & Green catalogue identifier (meta.id;meta.main)
  (1)Opt (char) [ACDGEHIS ] Code representing source of new optical position (Note 1)   (meta.note)
  (1+2)RA1950 "h:m:s" (i) Right Ascension 1950.0 (pos.eq.ra;meta.main)
  (1+2)DE1950 "d:m:s" (i) Declination 1950.0 (pos.eq.dec;meta.main)
  (1+2)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  (1+2)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  (2)l_F4.86 (char) Limit flag on total 4.86-GHz flux density (meta.code.error)
  (2)F4.86 mJy (n) []? Total 4.86-GHz flux density, from Kellermann (1989) (D-array observations) except where indicated in the text. (phot.flux.density;em.radio.3-6GHz)
  (2)l_PB4.86 (char) limit flag on 4.86-GHz peak brightness (meta.code.error)
  (2)PB4.86 mJy (n) []? 4.86-GHz peak brightness of the central component in from the high-resolution (VLA A-array) maps. (phot.flux.density;em.radio.3-6GHz)

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 α= 0.7 (meta.note)
  (2+4)Class (char) [DPEQ? ] Radio-structure classification (Note 1)   (src.class.struct)
  (2)theta arcsec (n) []? Angular size (phys.angSize)
  (3)F151 Jy (n) []? Flux density at 151MHz (1) (Note 1)   (phot.flux.density;em.radio.100-200MHz)
  (3)r_F151 (char) References code (see table4c) (meta.ref;pos.frame)
  (3)l_F408 (char) limit flag on flux density at 408MHz (meta.code.error)
  (3)F408 Jy (n) []? Flux density at 408MHz (phot.flux.density;em.radio.200-400MHz)
  (3)r_F408 (char) References code (see table4c) (meta.ref;pos.frame)
  (3)l_F1490 (char) limit flag on flux density at 1490MHz (meta.code.error)
  (3)F1490 mJy (n) []? Flux densities at 1490 MHz (or 1415 MHz) (phot.flux.density;em.radio.750-1500MHz)
  (3)r_F1490 (char) References code (see table4c) (meta.ref;pos.frame)
  (3)OF1490 arcsec (n) []? Resolution of observations when several resolutions were used (pos.angResolution;obs)
  (3)l_F4860 (char) limit flag on flux density at 4860 MHz (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)F4860 mJy (n) []? Flux density at 4860 MHz (phot.flux.density;em.radio.3-6GHz)
  (3)r_F4860 (char) References code (see table4c) (meta.ref;pos.frame)
  (3)OF4860 arcsec (n) []? Resolution of observations when several resolutions were used (pos.angResolution;obs)
  (3)F8400 mJy (n) []? flux density at 8400 MHz (phot.flux.density;em.radio.6-12GHz)
  (3)r_F8400 (char) References code (see table4c) (meta.ref;pos.frame)
  (3)l_F14900 (char) limit flag on flux density at 14900 MHz (meta.code.error)
  (3)F14900 mJy (n) []? Flux density at 14900 Mhz (or 14800 MHz) (phot.flux.density;em.radio.12-30GHz)
  (3)r_F14900 (char) References code (see table4c) (meta.ref;pos.frame)
  (3)OF14900 arcsec (n) []? Resolution of observations when several resolutions were used (pos.angResolution;obs)
  (3)ref (char) References to lower-resolution maps. (meta.ref)
  (4)l_alpha (char) limit flag on spectral index (meta.code.error;pos.eq.ra)
  (4)alpha  (n) []? Spectral Index between frequencies ν1 and ν2, for ν1 in the next column and ν2=4860MHz (except PG0838+770, for which ν2=14900MHz). (spect.index)
  (4)Nu1 MHz (n) []? Lower frequency in MHz. (em.freq;stat.min)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4+5)Ref (char) References to flux densities, for determination of α, in format (Sν1_, Sν2_); and notes on this calculation. (meta.ref;phot.flux)
  (5)Abbr (char) Abbreviation (meta.id;meta.main)
  (5)Surey (char) Survey title (meta.title)
  (5)Obs (char) Observation epoch(s) (time.epoch)
  (5)Resol (char) Resolution(s) (pos.angResolution)

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