2016ApJ...832...42A

Query : 2016ApJ...832...42A

2016ApJ...832...42A - Astrophys. J., 832, 42-42 (2016/November-3)

Millimeter wave spectrum and astronomical search for vinyl formate.

ALONSO E.R., KOLESNIKOVA L., TERCERO B., CABEZAS C., ALONSO J.L., CERNICHARO J. and GUILLEMIN J.-C.

Abstract (from CDS):

Previous detections of methyl and ethyl formate make other small substituted formates potential candidates for observation in the interstellar medium. Among them, vinyl formate is one of the simplest unsaturated carboxylic ester. The aim of this work is to provide direct experimental frequencies of the ground vibrational state of vinyl formate in a large spectral range for astrophysical use. The room-temperature rotational spectrum of vinyl formate has been measured from 80 to 360 GHz and analyzed in terms of Watson's semirigid rotor Hamiltonian. Two thousand six hundred transitions within J = 3-88 and Ka = 0-28 were assigned to the most stable conformer of vinyl formate and a new set of spectroscopic constants was accurately determined. Spectral features of vinyl formate were then searched for in Orion KL, Sgr B2(N), B1-b, and TMC-1 molecular clouds. Upper limits to the column density of vinyl formate are provided.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): catalogs - ISM: molecules - molecular data - techniques: spectroscopic - techniques: spectroscopic

VizieR on-line data: <Available at CDS (J/ApJ/832/42): table2.dat>

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 [HKM99] B1-b cor 03 33 20.32 +31 07 21.5           ~ 242 0
2 TMC-1 MoC 04 41 45.9 +25 41 27           ~ 1872 0
3 NAME Orion-KL SFR 05 35 14.16 -05 22 21.5           ~ 2421 1
4 NAME Sgr B2 (North) Rad 17 47 20.2 -28 22 21           ~ 742 1
5 NAME Sgr B2 MoC 17 47 20.4 -28 23 07           ~ 2443 1

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