VizieR

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Simple Target List Of Targets Fast 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/ApJS/219/39	344885		QSOs selection from SDSS and WISE (Richards+, 2015) ReadMe+ftp 2015ApJS..219...39R Similar Catalogs Post annotation
1.	J/ApJS/219/39/cand		Optical+MIR photometric quasar candidates catalog (table 2) (Note)* (885503 rows) metaJ/ApJS/219/39/cand

Simple Constraint List Of Constraints

Query by Constraints constraints help

applied on Columns (Output Order: + - )

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Column

Constraint

Explain (UCD)

recno

Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);(unassigned);(unassigned);phys.veloc)

RAJ2000

deg

⁽ⁱ⁾ Right ascension (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)

DEJ2000

deg

⁽ⁱ⁾ Declination (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)

Class

(char)

Spectral classification (QSO, GALAXY, STAR, CELG, ??, or U) (Note 1) ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sweight;meta.main)

zsp

⁽ⁿ⁾ [0/6.7] Spectroscopic redshift ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)

umag

mag

[15/31.7] SDSS u-band AB magnitude, corrected for Galactic extinction (phot.flux.sb;stat.covariance;arith.factor;stat.filling;(unassigned);(unassigned))

e_umag

mag

⁽ⁿ⁾ [0.003/99.99] Error on u-band magnitude ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))

gmag

mag

[15/27.4] SDSS g-band AB magnitude, corrected for Galactic extinction (instr.fov;em.IR.60-100um;arith.factor;stat.filling;(unassigned);(unassigned))

e_gmag

mag

[0.003/44] Error on g-band magnitude ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))

rmag

mag

[15/25.9] SDSS r-band AB magnitude, corrected for Galactic extinction ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

e_rmag

mag

[0.002/18] Error on r-band magnitude ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

imag

mag

[14.9/25] SDSS i-band AB magnitude, corrected for Galactic extinction ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))

e_imag

mag

[0.002/21] Error on i-band magnitude ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))

zmag

mag

[15/24.5] SDSS z-band AB magnitude, corrected for Galactic extinction ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))

e_zmag

mag

[0.003/16] Error on z-band magnitude ((unassigned);phys.veloc.orbital;arith.diff;time.age;stat.probability;(unassigned);(unassigned))

3.6mag

mag

[12.8/23.8] 3.6um AB magnitude, corrected for Galactic extinction ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

e_3.6mag

mag

[0.02/0.7] Error on 3.6um magnitude ((unassigned);(unassigned);(unassigned);time.age;meta.main)

4.5mag

mag

[12.5/24.2] 4.5um AB magnitude, corrected for Galactic extinction ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))

e_4.5mag

mag

[0.01/0.7] Error on 4.5um magnitude ((unassigned);(unassigned);(unassigned);time.age;meta.main)

3.63uJy

[-101/810] SDSS u-band flux density in nanomaggies ((unassigned);(unassigned);stat.min;stat.filling;(unassigned);(unassigned))

e_Fu

3.63uJy

[0.04/100] Error in u-band flux density ((unassigned);(unassigned);(unassigned);time.age;meta.main)

3.63uJy

[-1/759] SDSS g-band flux density in nanomaggies ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))

e_Fg

3.63uJy

[0.02/54] Error in g-band flux density ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)

3.63uJy

[-0.3/805] SDSS r-band flux density in nanomaggies ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

e_Fr

3.63uJy

[0.03/86] Error in r-band flux density ((unassigned);(unassigned);(unassigned);time.age;meta.main)

3.63uJy

[-0.3/979] SDSS i-band flux density in nanomaggies ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))

e_Fi

3.63uJy

[0.04/163] Error in i-band flux density ((unassigned);(unassigned);arith.factor;time.age;meta.main)

3.63uJy

[-4/945] SDSS z-band flux density in nanomaggies (time.lifetime;(unassigned);arith.factor;stat.filling;(unassigned);(unassigned))

e_Fz

3.63uJy

[0.1/129] Error in z-band flux density ((unassigned);(unassigned);(unassigned);time.age;meta.main)

F3.6

uJy

[1.1/25966] 3.6um flux density in microJy ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

e_F3.6

uJy

[0.09/551] Error in 3.6um flux density ((unassigned);(unassigned);arith.factor;time.age;meta.main)

F4.5

uJy

[0.8/35613] 4.5um flux density in microJy (time;pos.wcs.ctype;arith.grad;stat.filling;(unassigned);(unassigned))

e_F4.5

uJy

[0.1/656] Error in 4.5um flux density ((unassigned);(unassigned);(unassigned);time.age;meta.main)

Ymag

mag

⁽ⁿ⁾ [14.6/26] Y-band Vega magnitude from UKIDSS or VHS (Note 2) ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

e_Ymag

mag

⁽ⁿ⁾ [0.003/46] Error in Y-band magnitude ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))

Jmag

mag

⁽ⁿ⁾ [13.9/21] J-band Vega magnitude from UKIDSS or VHS (Note 2) ((unassigned);(unassigned);stat.min;stat.filling;(unassigned);(unassigned))

e_Jmag

mag

⁽ⁿ⁾ [0.002/0.5] Error in J-band magnitude ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

Hmag

mag

⁽ⁿ⁾ [13.2/20.3] H-band Vega magnitude from UKIDSS or VHS (Note 2) ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

e_Hmag

mag

⁽ⁿ⁾ [0.002/0.6] Error in H-band magnitude ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))

Kmag

mag

⁽ⁿ⁾ [11.8/19.6] K-band Vega magnitude from UKIDSS or VHS (Note 2) (instr.fov;phys.size.radius;arith.grad;stat.filling;(unassigned);(unassigned))

e_Kmag

mag

⁽ⁿ⁾ [0.001/0.7] Error in K-band magnitude ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))

FUV

mag

⁽ⁿ⁾ [13.7/24.8] GALEX FUV magnitude (AB) ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

e_FUV

mag

⁽ⁿ⁾ [0.008/0.6] Error in FUV magnitude ((unassigned);src.veloc.component;(unassigned);time.age;meta.main)

NUV

mag

⁽ⁿ⁾ [13.8/24.8] GALEX NUV magnitude (AB) ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

e_NUV

mag

⁽ⁿ⁾ [0.004/0.5] Error in NUV magnitude ((unassigned);meta.version;(unassigned);time.age;meta.main)

gisig

⁽ⁿ⁾ [-1/1] Indicator of distance from mean g-i color at ZHOTBEST (GI_SIGMA) ((unassigned);(unassigned);(unassigned);pos.bodyrc.lon;meta.main)

mag

[0.01/1] Extinction in SDSS u band ((unassigned);(unassigned);(unassigned);phys.dust)

den*

[0/1.2] Star density from KDE algorithm ((unassigned);phys.veloc.orbital;arith.diff;pos.bodyrc.lon;meta.main)

denq

[0/402] Quasar density from KDE algorithm ((unassigned);(unassigned);(unassigned);pos.bodyrc.lon;meta.main)

b_zphO

[0/100] Minimum photometric redshift [ugriz] ((unassigned);(unassigned);(unassigned);(unassigned);arith.ratio)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

zphO

[0.005/100] Best photometric redshift [ugriz] (ZPHOTBEST) ((unassigned);phys.veloc.microTurb;arith;(unassigned);meta.main)

B_zphO

[0.01/100] Maximum photometric redshift [ugriz] ((unassigned);(unassigned);stat.min;(unassigned);pos.phaseAng;meta.main)

zphOP

[0.005/100] Probability of ZPHOTBEST being between min and max (ZPHOTPROB) ((unassigned);(unassigned);(unassigned);phys.polarization.circular;meta.main)

b_zphIR

⁽ⁿ⁾ [0/6] Minimum photometric redshift [ugrizJHK] ((unassigned);(unassigned);(unassigned);(unassigned);arith.ratio)

zphIR

⁽ⁿ⁾ [0.05/6.3] Best photometric redshift (ugrizJHK) (ZPHOTBESTJHK) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);meta.main)

B_zphIR

⁽ⁿ⁾ [0.02/6.3] Maximum photometric redshift (ugrizJHK) (ZPHOTMAXJHK) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);pos.phaseAng;meta.main)

zphIRP

⁽ⁿ⁾ [0.2/1] Probability of ZPHOTBESTJHK being between min and max (ZPHOTPROBJHK) (phot.limbDark;time.period.revolution;stat.min;phys.polarization.circular;meta.main)

Leg

[0/1] Indicates if object is in the SDSS Legacy footprint ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)

Uni

[0/1] Indicates if object was selected according to Richards et al. (2002AJ....123.2945R) ((unassigned);(unassigned);(unassigned);pos.eq.dec)

Prim

[0/673192456] SDSS primary target selection flag; see Richards et al. (2002AJ....123.2945R) ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)

mas/yr

⁽ⁿ⁾ [0.005/193] Proper motion in milliarcseconds per year ((unassigned);phys.veloc.orbital;arith.diff;instr.offset;meta.main)

[1/7] Bitwise flag indicating low-z (2⁰), mid-z (2¹), and high-z (2²) sources ((unassigned);(unassigned);(unassigned);pos.eq.dec)

Sloan

Display the online SDSS data for the nearest object ((unassigned);(unassigned);(unassigned);pos.geocentric) (DATA_LINK)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

Adapt form	Display your selection only	Reset to default columns
	Display UCD1+ UCD1

The following problems were encountered in this VizieR run:

****Error execute query: UPDATE METAstat set nother=nother+1, tother=846495167 Where phase=3 and catid=22190039
**** 
**** --POSTGRES MSG db=1
**** 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/VR1084987.err (2026-10-28T09:32:46)
-3
-source=J/ApJS/219/39/cand
-ref=VIZ6ae1c13e108e3b

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