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/491/2280
  Neural networks for spectral classification (Sharma+, 2020)
ReadMe+ftp
2020MNRAS.491.2280S
Similar Catalogs
spectrum
[METAcat] [METAcells] [stats]
Post annotation 		img(gal)
1.J/MNRAS/491/2280/table5(c)Expected and predicted class for CFLIB spectra (850 rows) (released 2024-08-20)
[METAtab] [METAcola]
2.J/MNRAS/491/2280/table8Expected and predicted classes for the SDSS spectra[spectrum] (48084 rows) (released 2024-08-20)
[METAtab] [METAcola]

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. (meta.record)
  (1)Name (char) Star name (meta.id;meta.main)
  (1)ExpClass (char) Expected class for CFLIB spectra (src.spType)
   (ALL)PreClass (char) Predicted class for CFLIB spectra (src.spType)
  (1)CFlag (char) [0/1] Consistency between the two spectral classifications (Note 1)   (meta.code)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  (2)Plate  SDSS Plate identifier (meta.id;instr.plate)
  (2)MJD  (i) SDSS MJD identifier (meta.id)
  (2)Fiber  SDSS Fiber identifier (meta.id;meta.main)
  (2)SDSSClass (char) SDSS class for the spectra (src.spType)
  (2)Sp (char) Interactive spectrum from SDSS-DR12 (meta.ref.url)
  (2)SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)

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  
.errorfile=/tmp/V-3.err (2025-04-19T07:01:34)
-3
-source=J/MNRAS/491/2280
-ref=VIZ68034a4ecd7de
elapse time 0

Options: wopt=0, optS=0, onote=0, opt1=8, opos=0

Contents of error file (/tmp/V-3.err):
-rwxr-xr-x 1 root root 963736 Apr 10 15:32 /srv/httpd/bin/vizier
----db1_query(0 'metaviz@VIZIR'):
[1745046094]   Select famid, name, explain From METAfam where famid=530
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1745046094]   Select ucdid, name, class, explain From METAucd where ucdid=249
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1745046094]   Select famid, name, explain From METAfam where famid=1165
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1745046094]   Select ucdid, name, class, explain From METAucd where ucdid=248
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1745046094]   Select famid, name, explain From METAfam where famid=1135
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1745046094]   Select ucdid, name, class, explain From METAucd where ucdid=39
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1745046094]   Select famid, name, explain From METAfam where famid=186
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1745046094]   Select famid, name, explain From METAfam where famid=184
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1745046094]   Select famid, name, explain From METAfam where famid=156
----db1_reset(0 'metaviz@VIZIR')
----opt1= 8
----inherit(u=used, h=hidden):
     [u] +source=J/MNRAS/491/2280
     [u] -ref=VIZ68034a4ecd7de
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
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