Search Results - "Muller, Holger S P"
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Rotational Spectroscopy of Isotopologues of Silicon Monoxide, SiO, and Spectroscopic Parameters from a Combined Fit of Rotational and Rovibrational Data
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (19-12-2013)“…Pure rotational transitions of silicon monoxide, involving the main (28Si16O) as well as several rare isotopic species, were observed in their ground…”
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Calculated Dipole Moments for Silicon and Phosphorus Compounds of Astrophysical Interest
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (19-12-2013)“…Dipole moments, which contribute to the intensities of rotational transitions and also affect reactivity, have been computed for nearly 80 compounds with up to…”
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Detection of a branched alkyl molecule in the interstellar medium: iso-propyl cyanide
Published in Science (American Association for the Advancement of Science) (26-09-2014)“…The largest noncyclic molecules detected in the interstellar medium (ISM) are organic with a straight-chain carbon backbone. We report an interstellar…”
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Rotational Spectroscopy of the Lowest Energy Conformer of 2‑Cyanobutane
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (28-09-2017)“…Isopropyl cyanide was recently detected in space as the first branched alkyl compound. Its abundance with respect to n-propyl cyanide in the Galactic center…”
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Discovery of Thionylimide, HNSO, in Space: The first N-, S-, and O-bearing Interstellar Molecule
Published in Astrophysical journal. Letters (01-04-2024)“…Abstract We present the first detection in space of thionylimide (HNSO) toward the Galactic center molecular cloud G + 0.693-0.027, thanks to the superb…”
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Accurate High‑N Rest Frequencies for CO+, an Ideal Tracer of Photon-Dominated Regions
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (03-10-2013)“…The submillimeter-wave rotational spectra of CO+, 13CO+ and C18O+ in the v = 0 and 1 vibrational states were measured through a hollow cathode dc discharge in…”
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Rotational spectroscopy of the thioformaldehyde isotopologues H2CS and H2C34S in four interacting excited vibrational states and an account on the rotational spectrum of thioketene, H2CCS
Published in Molecular physics (17-04-2024)“…An investigation of the rotational spectrum of the interstellar molecule thioformaldehyde between 110 and 377 GHz through a pyrolysis reaction revealed a…”
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The Third Excited Torsional State of Acetamide
Published in 2022 IEEE 2nd Ukrainian Microwave Week (UkrMW) (14-11-2022)“…We present the results of our new study of the torsion-rotation spectrum of the acetamide molecule, CH 3 CONH 2 . Despite the fact that acetamide was found to…”
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Conference Proceeding -
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Protostellar and cometary detections of organohalogens
Published in Nature astronomy (01-10-2017)“…Organohalogens, a class of molecules that contain at least one halogen atom bonded to carbon, are abundant on the Earth where they are mainly produced through…”
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HIGH PRECISION ROVIBRATIONAL SPECTROSCOPY OF OH
Published in The Astrophysical journal (01-02-2016)“…ABSTRACT The molecular ion OH+ has long been known to be an important component of the interstellar medium. Its relative abundance can be used to indirectly…”
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Atomium: A high-resolution view on the highly asymmetric wind of the AGB star Pi1 Gruis. I. First detection of a new companion and its effect on the inner wind
Published 12-10-2020“…A&A 644, A61 (2020) The nebular circumstellar environments of cool evolved stars are known to harbour a rich morphological complexity of gaseous structures on…”
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HIGH PRECISION ROVIBRATIONAL SPECTROSCOPY OF OH super(+)
Published in The Astrophysical journal (01-02-2016)“…The molecular ion OH super(+) has long been known to be an important component of the interstellar medium. Its relative abundance can be used to indirectly…”
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Millimeter-millimeter-wave double-modulation double-resonance spectroscopy
Published 01-07-2024“…A new millimeter- to millimeter-wave double-modulation double-resonance (MMW-MMW DM-DR) scheme has been applied to record spectra of two astronomically…”
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Investigation of the rotational spectrum of CH$_3$$^{17}$OH and its tentative detection toward Sagittarius B2(N)
Published 01-07-2024“…A&A 688, A201 (2024) Methanol is an abundant molecule in space. The column density of CH$_3^{18}$OH is in some star-forming regions so high that the search for…”
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Millimetre and submillimetre spectroscopy of isobutene and its detection in the molecular cloud G+0.693
Published 29-09-2023“…A&A 680, A25 (2023) Isobutene ((CH$_3$)$_2$C=CH$_2$) is one of the four isomers of butene (C$_4$H$_8$). Given the detection of propene (CH$_3$CH=CH$_2$) toward…”
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LLWP -- A new Loomis-Wood Software at the Example of Acetone-13C1
Published 28-07-2022“…Acetone-13C1 is a complex organic molecule with two internal methyl (-CH3) rotors having relatively low effective barriers to internal rotation of about 249…”
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Resolving desorption of complex organic molecules in a hot core: Transition from non-thermal to thermal desorption or two-step thermal desorption?
Published 22-06-2022“…A&A 665, A96 (2022) Using the high angular resolution provided by the ALMA interferometre we want to resolve the COM emission in the hot molecular core…”
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(Sub-)millimeter-wave spectroscopy of gauche-propanal
Published 09-12-2021“…J. Mol. Spectrosc. 384 (2022) Art. No. 111565 A detailed analysis of (sub-)millimeter-wave spectra of the vibrational ground state ($\upsilon=0$) combined with…”
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Discovery of thionylimide, HNSO, in space: the first N-, S- and O-bearing interstellar molecule
Published 01-04-2024“…We present the first detection in space of thionylimide (HNSO) toward the Galactic Center molecular cloud G+0.693-0.027, thanks to the superb sensitivity of an…”
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Rotational spectroscopy of singly $^{13}$C substituted isotopomers of propyne and determination of a semi-empirical equilibrium structure
Published 31-01-2020“…Submillimeter spectra of three isotopomers of propyne containing one $^{13}$C atom were recorded in natural isotopic composition in the region of 426 GHz to…”
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