VizieR

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VizieR

  
J/ApJ/889/L38
  Opt. spectroscopic investigations of 2I/Borisov (Kareta+, 2020)
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2020ApJ...889L..38K
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1.J/ApJ/889/L38/table1Observing circumstances for 2I/Borisov (5 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)
  Tel (char) Telescope (meta.id;instr.tel)
  Date "Y:M:D" (n)(i) Observation date (time.epoch;obs;meta.main)
  RH au [2.23/2.67] Heliocentric distance, RH (pos.distance;pos.heliocentric)
  Delta au [2.52/3.25] Geocentric distance, Δ (pos.distance;pos.geocentric)
  Time (char) Time (UTC) (time.epoch)
  Airmass (char) Airmass for the start of each exposure (obs.airMass)
  Exp (char) s Exposure time (time.duration;obs.exposure)
  R (char) R or filter (spect.resolution)
  Comm (char) Conditions (meta.note;obs)
  Nsp  (n)Number of spectroscopic flux measurements for this date (meta.number)

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(n) indicates a possible blank or NULL column(i)indexed column
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