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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  Catalogue of 166 Ultraviolet Extinction Curves (Krelowski+ 1992)
Post annotation
1.II/175/stars(c)Primary Data for Program Stars (166 rows)
2.II/175/extinctExtinction Data (10013 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)B-V mag Observed color index B-V (phot.color;em.opt.B;em.opt.V)
  (1)DEJ2000 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
  (1)E(B-V) mag Colour excess E(B-V) following our best match (phot.color.excess)
   (ALL)HD  (i) HD (Cat. III/135) number (;meta.main)
  (1)Plot (char) Plot of the Extinction ratio $E(UV)/E(opt)$ vs $λ$ (meta.ref.url)
  (1)RAJ2000 "h:m:s" (i) Right Ascension J2000 (pos.eq.ra;meta.main)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Ref (char) Codes for the source of spectroscopic and photometric data (Note 1)   (meta.bib)
  (1)Simbad (char) ask the Simbad data-base about this object
  (1)SpType (char) Spectral and luminosity classes following the best match of in resultant extinction curves (src.spType;meta.modelled)
  (1)SpTypeL (char) Spectral and luminosity classes taken from the literature (phys.luminosity)
  (1)Vmag mag Visual magnitude (V) (phot.mag;em.opt.V)
  (2)1/lambda um-1 Reciprocal wavelength in µm–1 (em.wl)
  (2)e_Ext  Extinction error (stat.error)
  (2)Ext  Extinction ratio E(λ-274nm)/E(B-V) (;arith.ratio)

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