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/ApJ/887/15
  Xinglong spectra of two changing-look SDSS AGNs (Wang+, 2019)
ReadMe+ftp
2019ApJ...887...15W
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/ApJ/887/15/table1(c)Log of spectroscopic observation for five candidates selected in MacLeod et al. 2019, J/ApJ/874/8tabContent{spectrum} (12 rows)
2.J/ApJ/887/15/zd1047Xinglong spectrum of SDSS J104705.16+544405.8 (Data behind Figure 1) (1558 rows)
3.J/ApJ/887/15/zd1204Xinglong spectrum of SDSS J120447.91+170256.8 (Data behind Figure 1) (1753 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)SDSS (char) (i) SDSS name (JHHMMSS.ss+DDMMSS.s) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (1)z   [0.21/0.61] Redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  (1)gmag mag [16.19/18.07] SDSS g-band (AB) magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (1)Date "Y:M:D" (n)Date of observation (UT) ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  (1)Exp s [2400/7200] Total exposure time ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  (1)Sp (char) Interactive spectrum plot ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (1)Sloan (char) Display the online SDSS-DR14 data for the nearest object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)Simbad (char) ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)NED (char) ask the NED data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (1)_RA deg Positions from SDSS names (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)_DE deg Positions from SDSS names (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (2+3)lambda 0.1nm [2963.8/7180.3] Spectrum wavelength in Angstrom units (time.equinox;(unassigned);arith.factor;meta.bib.author)
  (2+3)Flux cW/m2/nm [-4e-17/8.4e-16] Flux in erg/s/cm2/Å units ((unassigned);(unassigned);(unassigned);stat.fit.residual;meta.abstract)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846452849 Where phase=3 and catid=18870015
**** 
**** --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=846452849 Where phase=3 and catid=18870015
**** 
**** --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/VR405782.err (2026-10-27T21:47:28)
-3
-source=J/ApJ/887/15
-ref=VIZ6ae11bf063116
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