J/A+A/653/A129ivo://CDS.VizieR/J/A+A/653/A129doi:10.26093/cds/vizier.36530129CDSColzi L.Rivilla V.M.Beltran M.T.Jimenez-Serra I.Mininni C.,Melosso M.Cesaroni R.Fontani F.Lorenzani A.Sanchez-Monge A.,Viti S.Schilke P.Testi L.Alonso E.R.Kolesnikova L.2022-01-19T09:13:06Z2021-09-22T07:07:07ZCDS support team

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

cds-question@unistra.fratomic-physicsradio-astronomyWe present an unbiased spectral survey of one of the most chemically rich hot molecular cores located outside the Galactic Center, in the high-mass star-forming region G31.41+0.31. In this second paper, we discuss the detection and relative abundances of the peptide-like bond molecules: HNCO, HC(O)NH2, CH_3_NCO, CH_3_C(O)NH_2_, CH_3_NHCHO, CH_3_CH_2_NCO, NH_2_C(O)NH_2_, NH_2_C(O)CN, and HOCH_2_C(O)NH_2_. Observations were carried out with the ALMA interferometer, covering all of band 3 (about 32GHz bandwidth) with an angular resolution of 1.2"x1.2" (about 4400aux4400au) and a spectral resolution of about 0.488MHz. The transitions of the nine molecules have been analyzed with the software MADCUBA to determine the physical parameters of the emitted gas. The results suggest that all these species are formed on grain surfaces in early evolutionary stages of molecular clouds, and that they are subsequently released back to the gas-phase through thermal desorption or shock-triggered desorption.2021A&A...653A.129Chttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/653/A129CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/653/A129https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/653/A129http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/653/A129https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/653/A129https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/653/A129http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/653/A129GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapRadiodefaultJ/A+A/653/A129/tablec1Identified transitions of peptide-like moleculesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMolMolecule and vibrational state for which the transitions are listedphys.atmol.configurationRFreqRest frequencyMHzem.freqdoubleTransuUpper rotational transition (1)meta.id;phys.atmol.transitioncharTranslLower rotational transition (1)meta.id;phys.atmol.transitioncharlogIBase 10 logarithm of the integrated intensity at 300Knm**2.MHzspect.line.intensityfloatEuUpper state energy E_u_Kphys.energydoubletauOptical depth at the center of the linephys.absorption.opticalDepthdoublee_tauError on the optical depthstat.errordouble