J/ApJ/847/67ivo://CDS.VizieR/J/ApJ/847/67doi:10.26093/cds/vizier.18470067CDSBunn H.Soliday R.M.Sumner I.Raston P.L.2018-08-22T08:21:39Z2018-06-28T14:27:36ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.fratomic-physicsmolecular-physicsinfrared-astronomyspectroscopyWe report a detailed analysis of the high-resolution far-infrared spectrum of anti-vinyl alcohol, which has been previously identified toward Sagittarius B2(N). The {nu}_15_ OH torsional fundamental investigated here is more than 200cm^-1^ removed from the next nearest vibration, making it practically unperturbed and ideal to help refine the ground state rotational constants that were previously determined from 25 microwave lines. We assigned 1335 lines within the {nu}_15_ fundamental centered at 261.5512cm^-1^, with J and K_a_ ranges of 1-59 and 0-16, respectively. The microwave and far-infrared line positions were fit with Watson-type A- and S-reduced Hamiltonians, with the inclusion of quartic and select sextic distortion terms. This resulted in a significant refinement of the ground state constants, in addition to the determination of the {nu}_15_=1 state constants for the first time. The spectroscopic parameters are in good agreement with the results from anharmonic coupled-cluster calculations, and should be useful in searches for rotationally and/or vibrationally warm anti-vinyl alcohol in interstellar molecular clouds.2017ApJ...847...67Bhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/847/67CatalogResearchIsServedByTAP VizieR generic servicerelated-toJ/ApJ/753/18 : FIR spectrum of ethylene oxide (CH_2_-O-CH_2_) (Medcraft+, 2012)J/ApJ/768/81 : Ethyl cyanide, CH_3_CH_2_CN, vibrational states (Daly+, 2013)J/A+A/572/A44 : Vibrationally excited vinyl cyanide in Orion-KL (Lopez+, 2014)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/847/67https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/847/67http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/847/67https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/847/67https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/847/67http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/847/67GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapInfrareddefaultJ/ApJ/847/67/table3Linelist for the {nu}_15_ fundamental of anti-VA; the residuals were determined using the A-reduced constantsv1[0/1] Upper v statephys.mol.qnintJ0[1/59] Lower J statemeta.noteintKa0[0/15] Lower Ka statephys.mol.qnintrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintJ1[1/59] Upper J statemeta.noteintKa1[0/16] Upper Ka statephys.mol.qnintKc1[0/59] Upper Kc statephys.mol.qnintKc0[0/59] Lower Kc statephys.mol.qnintv0[0] Lower v statephys.mol.qnintEobsMW[27681.7/55999]? Observed energy in MHz (microwave (MW) lines, Rodler 1985JMoSp.114...23R ; v1=v0=0)MHzphys.energy;phys.atmol.leveldoublenullableO-CMW[-0.06/0.05]? Observed - Calculated energy in MHzMHzstat.fit.residualfloatnullablee_EobsMW[0.020]? Uncertainty in observed energy in MHzMHzstat.errorfloatnullableEobs[198/323]? Observed energy in cm^-1^ (IR lines; v1=1, v0=0)cm**-1phys.energy;phys.atmol.leveldoublenullableO-C[-0.0007/0.0007]? Observed - Calculated energycm**-1stat.fit.residualdoublenullablee_Eobs[0.0002/0.0003]? Uncertainty in observed energycm**-1stat.errordoublenullableWght[0.25/0.5]? Weight for blended linesstat.weight;phys.atmolfloatnullableJ/ApJ/847/67/table4Linelist for the {nu}_15_ fundamental of anti-VA; the residuals were determined using the S-reduced constantsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintJ1[1/59] Upper J statemeta.noteintKa1[0/16] Upper Ka statephys.mol.qnintKc1[0/59] Upper Kc statephys.mol.qnintv1[0/1] Upper v statephys.mol.qnintJ0[1/59] Lower J statemeta.noteintKa0[0/15] Lower Ka statephys.mol.qnintKc0[0/59] Lower Kc statephys.mol.qnintv0[0] Lower v statephys.mol.qnintEobsMW[27681.7/55999]? Observed energy in MHz (microwave (MW) lines, Rodler 1985JMoSp.114...23R ; v1=v0=0)MHzphys.energy;phys.atmol.leveldoublenullableO-CMW[-0.06/0.05]? Observed - Calculated energy in MHzMHzstat.fit.residualfloatnullablee_EobsMW[0.020]? Uncertainty in observed energy in MHzMHzstat.errorfloatnullableEobs[198/323]? Observed energy in cm^-1^ (IR lines; v1=1, v0=0)cm**-1phys.energy;phys.atmol.leveldoublenullableO-C[-0.0007/0.0007]? Observed - Calculated energycm**-1stat.fit.residualdoublenullablee_Eobs[0.0002/0.0003]? Uncertainty in observed energycm**-1stat.errordoublenullableWght[0.25/0.5]? Weight for blended linesstat.weight;phys.atmolfloatnullable