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J/A+A/680/A25
-1
Laboratory spectroscopy of isobutene (Fatima+, 2023)
ReadMe+ftp
2023A&A...680A..25F
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1.
J/A+A/680/A25/c3h4
Transitions included in the fit of isobutene ((CH3)2C=CH2)
(3751 rows)
meta
J/A+A/680/A25/c3h4
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)
meta
J/A+A/680/A25/056526
Simple Constraint
List Of Constraints
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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
)
(
RECORD
)
(ALL)
J'
Upper state J quantum number
(
phys.atmol.configuration
)
(
AT_Q-N_ANG-MOM
)
(ALL)
Ka'
Upper state Ka quantum number
(
phys.atmol.qn
)
(
AT_Q-N_ROTATIONAL
)
(ALL)
Kc'
Upper state Kc quantum number
(
phys.atmol.qn
)
(
AT_Q-N_ROTATIONAL
)
(ALL)
J"
Lower state J quantum number
(
phys.atmol.configuration
)
(
AT_Q-N_ANG-MOM
)
(ALL)
Ka"
Lower state Ka quantum number
(
phys.atmol.qn
)
(
AT_Q-N_ROTATIONAL
)
(ALL)
Kc"
Lower state Kc quantum number
(
phys.atmol.qn
)
(
AT_Q-N_ROTATIONAL
)
(1)
FreqObs
MHz
Observed transition frequency
(
em.freq
)
(
OBS_FREQUENCY
)
(1)
(O-C)
MHz
Observed minus calculated frequency
(
em.freq;stat.fit.omc
)
(
OBS_FREQUENCY
)
(1)
Uncer
MHz
Uncertainity used
(
stat.error
)
(
ERROR
)
(1)
qq'
(IS1,IS2) internal rotor components
(Note 1)
(
meta.code
)
(
CODE_MISC
)
ALL
cols
(i)
indexed column
(1)
wb
(n)
Weight of the component in group of lines
(
phys.atmol.weight
)
(
AT_WEIGHT
)
(1)
I(O-C)
MHz
(n)
Individual O-C residual for line consisting of several transitions
(
stat.fit.residual
)
(
FIT_RESIDUAL
)
(1)
Notes
Source of data
(Note 2)
(
meta.note
)
(
NOTE
)
(2)
Freq
MHz
Predicted frequency
(
em.freq
)
(
AT_FREQUENCY_NU
)
(2)
Est(O-C)
MHz
Estimated error
(
stat.error
)
(
ERROR
)
(2)
logInt
[nm2.MHz]
Base10 logarithm of the integrated intensity
(
spect.line.intensity
)
(
AT_INTENSITY
)
(2)
DR
Degrees of freedom in the rotational partition function
(
stat.fit.dof
)
(
STAT_N-DOF
)
(2)
Elo
cm-1
Lower state energy
(
phys.energy;phys.atmol.level
)
(
AT_ENERGY_POTENTIAL
)
(2)
Gup
Upper state degeneracy
(
phys.electron.degen
)
(
AT_DEGENERACY
)
(2)
TAG
CDMS entry tag
(
meta.note
)
(
VELOC_PRE-ENTRY
)
(2)
q
(IS1) internal rotor components
(Note 1)
(
meta.code
)
(
CODE_MISC
)
(2)
q'
(IS2) internal rotor components
(Note 1)
(
meta.code
)
(
CODE_MISC
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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