VizieR

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VizieR

  
J/A+A/680/A25
  Laboratory spectroscopy of isobutene (Fatima+, 2023)
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2023A&A...680A..25F
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Objects
Post annotation 		  
1.J/A+A/680/A25/c3h4Transitions included in the fit of isobutene ((CH3)2C=CH2) (3751 rows)
2.J/A+A/680/A25/056526*Catalogue file up to 1THz (J=99, T=300K) generated from ERHAM program, with additional blanks (Note) (67617 rows)

Simple ConstraintList Of Constraints
 
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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)J'  Upper state J quantum number (phys.atmol.configuration)
   (ALL)Ka'  Upper state Ka quantum number (phys.atmol.qn)
   (ALL)Kc'  Upper state Kc quantum number (phys.atmol.qn)
   (ALL)J"  Lower state J quantum number (phys.atmol.configuration)
   (ALL)Ka"  Lower state Ka quantum number (phys.atmol.qn)
   (ALL)Kc"  Lower state Kc quantum number (phys.atmol.qn)
  (1)FreqObs MHz Observed transition frequency (em.freq)
  (1)(O-C) MHz Observed minus calculated frequency (em.freq;stat.fit.omc)
  (1)Uncer MHz Uncertainity used (stat.error)
  (1)qq'  (IS1,IS2) internal rotor components (Note 1)   (meta.code)

ALL cols		    
 (i)indexed column
  (1)wb  (n) Weight of the component in group of lines (phys.atmol.weight)
  (1)I(O-C) MHz (n) Individual O-C residual for line consisting of several transitions (stat.fit.residual)
  (1)Notes  Source of data (Note 2)   (meta.note)
  (2)Freq MHz Predicted frequency (em.freq)
  (2)Est(O-C) MHz Estimated error (stat.error)
  (2)logInt [nm2.MHz]Base10 logarithm of the integrated intensity (spect.line.intensity)
  (2)DR  Degrees of freedom in the rotational partition function (stat.fit.dof)
  (2)Elo cm-1 Lower state energy (phys.energy;phys.atmol.level)
  (2)Gup  Upper state degeneracy (phys.electron.degen)
  (2)TAG  CDMS entry tag (meta.note)
  (2)q  (IS1) internal rotor components (Note 1)   (meta.code)
  (2)q'  (IS2) internal rotor components (Note 1)   (meta.code)

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