VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

  
J/ApJS/222/25
  Long-term optical monitoring of E1821+643 (Shapovalova+, 2016)
timeSerie
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1.J/ApJS/222/25/table3Log of spectroscopic observations (127 rows)

 
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)
  Seq  Spectroscopic Observation Running Number (meta.id;meta.main)
  Date "Y:M:D" (n)UT observation date (time.epoch;obs)
  JD d Modified Julian Date, JD-2400000 (time.epoch)
  Code (char) Spectroscopic Observation Code (Note 1)   (meta.id;obs)
  ApX arcsec Projected spectrograph entrance aperture in X (instr.fov)
  ApY arcsec Projected spectrograph entrance aperture in Y (instr.fov)
  Spmin 0.1nm [3700/6060] Spectral Range, minimum in Angstroms (em.wl)
  Spmax 0.1nm [6630/7690] Spectral Range, maximum in Angstroms (em.wl)
  Seeing arcsec (n) [1/5.5] Mean Spectroscopic Observation Seeing (instr.obsty.seeing;obs;stat.mean)
  B_Seeing arcsec (n) [2.5] Spectroscopic Observation Seeing, Maximum (instr.obsty.seeing;obs)

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