2013ApJ...779..119C

Query : 2013ApJ...779..119C

2013ApJ...779..119C - Astrophys. J., 779, 119 (2013/December-3)

The first astrophysical detection, terahertz spectrum, and database for the monodeuterated species of methyl formate HCOOCH2D.

COUDERT L.H., DROUIN B.J., TERCERO B., CERNICHARO J., GUILLEMIN J.-C., MOTIYENKO R.A. and MARGULES L.

Abstract (from CDS):

Based on new measurements carried out in the laboratory from 0.77 to 1.2 THz and on a line-frequency analysis of these new data, along with previously published data, we build a line list for HCOOCH2 D that leads to its first detection in the Orion KL nebula. The observed lines, both in space and in the laboratory, involve the cis D-in-plane and trans D-out-of-plane conformations of HCOOCH2D and the two tunneling states arising from the large-amplitude motion connecting the two trans configurations. The model used in the line position calculation accounts for both cis and trans conformations, as well as the large-amplitude motion.

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Journal keyword(s): astronomical databases: miscellaneous - ISM: individual: Orion KL - ISM: molecules - line: identification - methods: data analysis - methods: laboratory: molecular - submillimeter: ISM

VizieR on-line data: <Available at CDS (J/ApJ/779/119): table2.dat table7.dat table9.dat>

Simbad objects: 4

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Number of rows : 4
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 NAME Orion-KL SFR 05 35 14.16 -05 22 21.5           ~ 2421 1
2 [RLK73] IRc 2 IR 05 35 14.51548 -05 22 30.5943           ~ 673 1
3 IRAS 16293-2422 cor 16 32 22.56 -24 28 31.8           ~ 1357 1
4 NAME Sgr B2 MoC 17 47 20.4 -28 23 07           ~ 2443 1

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