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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/MNRAS/537/1459
  Activity diagnostic via PCA of visible spectra (Tous+, 2025)
ReadMe+ftp
2025MNRAS.537.1459T
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/537/1459/tablea1DPS-PC3 coordinates, spectral class, probability of BPT type, and activity class inferred from the traditional BPT-NII diagram (68042 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. (meta.record)
  objID  SDSS object identifier (meta.id;meta.main)
  PC3  Projection of spectrum onto 3rth component (stat.fit.param)
  DeltaPS  Distance from the passive sequence (stat.fit.param)
  SpClass (char) [AC PS TR] Spectral class from Tous et al. (2020MNRAS.495.4135T) (Note 1)   (src.spType)
  Pstarforming  Probability of being star forming (Note 2)   (stat.fit.goodness)
  Pcomposite  Probability of being composite (Note 2)   (stat.fit.goodness)
  PLINER  Probability of being LINER (Note 2)   (stat.fit.goodness)
  PSeyfert  Probability of being Seyfert (Note 2)   (stat.fit.goodness)
  BPTClass (char) Activity class from BPT-NII diagram (meta.code.class)
  Sloan  Display the SDSS data for this object (meta.ref.url)
  _RA deg (i) Positions from SDSS DR 16 (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SDSS DR 16 (declination part) (pos.eq.dec;meta.main)

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