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/ApJS/228/19
  Exploring the SDSS data set. I. EMP & CV stars (Carbon+, 2017)
ReadMe+ftp
2017ApJS..228...19C
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/ApJS/228/19/starsCandidate extremely metal-poor (EMP); uncertain EMP or CEMP candidates and cataclysmic variable (CV) stars (tables 1, 2 and 3)[spectrum] (72 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned))
  Cl (char) EMP: candidate extremely metal-poor star (table 1); Unc: uncertain EMP or carbon-enhanced metal-poor (CEMP) candidate (table 2) or CV: candidate cataclysmic variable star (table 3) ((unassigned))
  SDSS (char) Star name (JHHMMSS.ss+DDMMSS.s) ((unassigned);(unassigned))
  Plate  SDSS plate ((unassigned))
  Fiber  SDSS fiber ((unassigned))
  MJD d SDSS MJD ((unassigned))
  gmag mag [14.9/21] SDSS g-band magnitude ((unassigned);(unassigned))
  u-g mag [0.05/1] u-g color index ((unassigned);(unassigned);(unassigned))
  g-r mag [-0.1/0.4] g-r color index ((unassigned);(unassigned);(unassigned))
  SCaIIK  (n) [0.1/0.4] S(Ca II K) value (Note 1)   ((unassigned);(unassigned))
  DCaIIK  (n) [3.2/27.2] D(Ca II K) value (Note 2)   ((unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  SH  (n) [0.4/0.7] S(H{epsilon}) value (Note 1)   ((unassigned);(unassigned))
  DH  (n) [16.2/60.2] D(H{epsilon}) value (Note 2)   ((unassigned);(unassigned))
  SCH  (n) [0.01/0.3] S(CH 4308) value (Note 1)   ((unassigned);(unassigned))
  DCH  (n) [0.2/14.7] D(CH 4308) value (Note 2)   ((unassigned);(unassigned))
  SpT (char) MK spectral type ("CV" for cataclysmic variable) ((unassigned))
  Notes (char) Notes ((unassigned))
  f_Notes (char) Flag on Notes (Note 3)   ((unassigned))
  Sp  Interactive spectrum from SDSS ((unassigned))
spectrum
  Simbad  ask the Simbad data-base about this object ((unassigned))
  _RA deg Positions from SDSS names (right ascension part) ((unassigned);(unassigned))
  _DE deg Positions from SDSS names (declination part) ((unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
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**** Report from: stdb_pg,     Status: STDB_ERR 
****Postgres connect error
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**** Report from: stdb_conn_dbms,     Status: STDB_ERR 
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****db1_relink(0): connection was not opened
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****Bad db number: -1
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****db1_relink(0): connection was not opened
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****Bad db number: -1
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
****db1_relink(-1): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****Bad db number: -1
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If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR3829319.err (2026-08-11T22:26:05)
-3
-source=J/ApJS/228/19
-ref=VIZ6a7ba17e3a6e47
elapse time 1
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