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A Systematic Study of Glycolaldehyde in Sagittarius B2(N) at 2 and 3 mm: Criteria for Detecting Large Interstellar Molecules
A comprehensive study of glycolaldehyde (CH2OHCHO) has been conducted at 2 and 3 mm toward Sgr B2(N) using the Arizona Radio Observatory 12 m telescope. Forty favorable transitions of this speciesExpand
INTERSTELLAR DETECTION OF METHYL ISOCYANATE CH3NCO IN Sgr B2(N): A LINK FROM MOLECULAR CLOUDS TO COMETS
A new interstellar molecule, CH3NCO (methyl isocyanate), has been detected using the 12 m telescope of the Arizona Radio Observatory (ARO). CH3NCO was identified in spectra covering 48 GHz (68–116Expand
INSIGHTS INTO SURFACE HYDROGENATION IN THE INTERSTELLAR MEDIUM: OBSERVATIONS OF METHANIMINE AND METHYL AMINE IN Sgr B2(N)
Multiple observations of methanimine (CH{sub 2}NH) and methyl amine (CH{sub 3}NH{sub 2}) have been performed toward Sgr B2(N) at 1, 2, and 3 mm using the Submillimeter Telescope and the 12 m antennaExpand
Constraining Phosphorus Chemistry in Carbon- and Oxygen-Rich Circumstellar Envelopes: Observations of PN, HCP, and CP
Millimeter-wave observations of PN, CP, and HCP have been carried out toward circumstellar envelopes of evolved stars using the Arizona Radio Observatory (ARO). HCP and PN have been identified in theExpand
Evaluating the N/O Chemical Network: The Distribution of N2O and NO in the Sagittarius B2 Complex
Mapping observations of the J = 6 → 5 transition of N2O and the Π, J = 3/2 → 1/2 line of NO in the 2 mm band toward the core region of the Sagittarius B2 complex have been carried out using the KittExpand
Hydroxyacetone (CH3COCH2OH): A combined microwave and millimeter-wave laboratory study and associated astronomical search
A combined laboratory and astronomical investigation has been conducted on the methyl sugar hydroxyacetone (CH3COCH2OH). Rotational transitions of this species in the ground torsional state (vt = 0)Expand
The 12C/13C Ratio in Sgr B2(N): Constraints for Galactic Chemical Evolution and Isotopic Chemistry
NSF [AST-1515568, AST-1140030]; NSF University Radio Observatories (URO) program [AST-1140030]; NASA [NNX15AD94G]
Detection of the CCP Radical (X 2 Π r ) in IRC +10216: A New Interstellar Phosphorus-containing Species
The CCP radical (X2Πr) has been detected in the circumstellar gas of IRC +10216, the fifth phosphorus-bearing molecule identified in interstellar space. This identification was made on the basis ofExpand
OBSERVATIONS OF THE [HNCS]/[HSCN] RATIO IN Sgr B2 AND TMC-1: EVIDENCE FOR LOW-TEMPERATURE GAS-PHASE CHEMISTRY
Millimeter observations of isothiocyanic acid (HNCS) and its higher energy isomer, thiocyanic acid (HSCN), have been carried out toward Sgr?B2 and TMC-1 using the 12?m telescope of the Arizona RadioExpand
MILLIMETER AND SUBMILLIMETER REST FREQUENCIES FOR NaCN (X̃1A′): A REMARKABLY ABUNDANT CIRCUMSTELLAR MOLECULE
The pure rotational spectrum of NaCN has been recorded in the millimeter/submillimeter region using direct absorption techniques, the first experimental study of this molecule at frequencies above 40Expand
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