2004A&A...413.1177D

Query : 2004A&A...413.1177D

2004A&A...413.1177D - Astronomy and Astrophysics, volume 4131177-1181 (2004/1-3)

Laboratory and radio-astronomical spectroscopy of the hyperfine structure of N2D+.

DORE L., CASELLI P., BENINATI S., BOURKE T., MYERS P.C. and CAZZOLI G.

Abstract (from CDS):

We present the first laboratory measurements of the hyperfine structure of the J=1←0 rotational transition of N2D+, a good tracer of the dense regions of molecular cloud cores, and the spectra of unresolved high J transitions recorded in the 308-463GHz region. Together with a high sensitivity radio-astronomical spectrum of the N2D+ J=1->0 rotational transition in a quiescent cloud core, we determined with high precision the frequencies of the seven hyperfine components and the molecular spectroscopic constants, allowing us to make predictions on the N2D+ frequencies of higher J transitions occurring in the submillimeter-wave region.

Abstract Copyright: ∼

Journal keyword(s): molecular data - methods: laboratory - ISM: individual: L183 - molecules - radio lines: ISM

VizieR on-line data: <Available at CDS (J/A+A/413/1177): table4.dat table5.dat table6.dat table7.dat table8.dat tables.tex>

Simbad objects: 3

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Number of rows : 3
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 LDN 1512 MoC 05 04 09.7 +32 43 09           ~ 184 0
2 LDN 134 MoC 15 53 36.3 -04 35 26           ~ 217 0
3 LDN 183 MoC 15 54 12.2 -02 49 42           ~ 799 1

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