2003ApJ...597L..85H

Query : 2003ApJ...597L..85H

2003ApJ...597L..85H - Astrophys. J., 597, L85-L87 (2003/November-1)

Laboratory submillimeter-wave detection of D2H+: a new probe into multiple deuteration.

HIRAO T. and AMANO T.

Abstract (from CDS):

A pure rotational transition (JKaKc=110-101) of D2H+ is measured in the laboratory with a high-sensitivity submillimeter-wave spectrometer. The D2H+ ions are generated in an extended negative glow discharge in a mixture of H2and D2with Ar as buffer gas (H2/D2/Ar=4/2/17 mTorr) near liquid nitrogen temperature (77 K). The transition frequency is determined to be 691.660440(19) GHz with 1 σ in parentheses. This accurately measured transition frequency should be of great use for astronomical identification of this ion.

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Journal keyword(s): Astrochemistry - ISM: Clouds - ISM: Molecules - Methods: Laboratory - Molecular Data - Submillimeter

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 LDN 1544 DNe 05 04 16.6 +25 10 48           ~ 965 0
2 NAME [BM89] L1544 cor 05 04 22.5 +25 11 36           ~ 437 1
3 NAME Orion-KL SFR 05 35 14.16 -05 22 21.5           ~ 2421 1
4 IRAS 16293-2422 cor 16 32 22.56 -24 28 31.8           ~ 1357 1

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