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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/940/19
  Spectrophotometric standard DA white dwarfs (Calamida+, 2022)
ReadMe+ftp
2022ApJ...940...19C
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/940/19/table2Log of the observations collected with the Goodman spectrograph on the 4m-SOAR telescope NOAO programs 2017A-0052 (PI: Olszewski) (55 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)
  C  (n)Display the WD parameters (link to Tables 1+4) (meta.ref.url)
  Star (char) Position-based Star Name (Note G2)   (meta.id)
  OName (char) Alternative Name (Note G3)   (meta.id)
  Gaia  Gaia DR3 identifier (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (Note G2)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (Note G2)   (pos.eq.dec;meta.main)
  Obs "Y:M:D" [2016/2017] Observation date, UTC, year (time.epoch;obs)
  lam1 0.1nm [3850/3870] Wavelength min, Angstroms (em.wl;stat.min)
  lam2 0.1nm [7100/7150] Wavelength max, Angstroms (em.wl;stat.max)
  PA deg [5/348] Position angle of spectrum, E of N (pos.posAng)
  Airmass   [1/1.7] Air mass (obs.airMass)
  Std (char) Flux Standard ("Feige110", "Feige67" or "GD71") (meta.note)
  ExpTime (char) Exposure time, Seconds or CoaddxSeconds (time.duration;obs.exposure)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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