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J/ApJS/181/433
  Spectrum of ethyl formate (Medvedev+, 2009)
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1.J/ApJS/181/433/fittedAssigned and fitted transition frequencies of ethyl formate in the vibrational ground state in trans and gauche conformers (2247 rows)
2.J/ApJS/181/433/predictPredicted transition frequencies of ethyl formate in the vibrational ground state in trans and gauche conformers (18211 rows)

 
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)C (char) trans or gauche conformer of the ethyl formate molecule (phys.atmol.configuration)
   (ALL)J'  Upper J quantum number (Note G1)   (instr.det.qe;stat.max)
   (ALL)Ka'  Upper Ka quantum number (Note G1)   (phys.atmol.qn;stat.max)
   (ALL)Kc'  Upper Kc quantum number (Note G1)   (phys.atmol.qn;stat.max)
   (ALL)J"  Lower J quantum number (Note G1)   (instr.det.qe;stat.min)
   (ALL)Ka"  Lower Ka quantum number (Note G1)   (phys.atmol.qn;stat.min)
   (ALL)Kc"  Lower Kc quantum number (Note G1)   (phys.atmol.qn;stat.min)
   (ALL)Freq MHz Experimental frequency of the transition (em.freq)
  (1)f_Freq (char) [B] Flag for blended transition (Note 1)   (meta.code)
   (ALL)e_Freq MHz Estimated experimental uncertainty in Freq (stat.error)

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 (i)indexed column
  (1)r_Freq (char) Source of measurement (Note 2)   (meta.ref;pos.frame)
  (1)O-C MHz Observed minus calculated value (stat.fit.residual)
  (1)Pr (char) Details of the predicted transition (meta.ref.url)
  (2)n_Freq (char) [e] e: Experimentally measured transition (meta.note)
  (2)LineStr D2 Line strength times µG2 (Note 1)   (spect.line.intensity)
  (2)G-DMC (char) [abc] Dipole moment component label (Note 2)   (meta.code)
  (2)Eup/k K Upper state energy (divided by Boltzmann's) (phys.energy)
  (2)Fit (char) f indicates a fit exists in table 1 or 2 (meta.ref.url)

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