Universität zu Köln

Lattanzi, V., Gottlieb, C. A., Thaddeus, P., Thorwirth, S. and McCarthy, M. C. (2011). The rotational spectrum of protonated sulfur dioxide, HOSO+. Astron. Astrophys., 533. LES ULIS CEDEX A: EDP SCIENCES S A. ISSN 1432-0746

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Abstract

Aims. We report on the millimeter-wave rotational spectrum of protonated sulfur dioxide, HOSO+. Methods. Ten rotational transitions between 186 and 347 GHz have been measured to high accuracy in a negative glow discharge. Results. The present measurements improve the accuracy of the previously reported centimeter-wave spectrum by two orders of magnitude, allowing a frequency calculation of the principal transitions to about 4 km s(-1) in equivalent radial velocity near 650 GHz, or one linewidth in hot cores and corinos. Conclusions. Owing to the high abundance of sulfur-bearing molecules in many galactic molecular sources, the HOSO+ ion is an excellent candidate for detection, especially in hot cores and corinos in which SO2 and several positive ions are prominent.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Lattanzi, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gottlieb, C. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Thaddeus, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Thorwirth, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED McCarthy, M. C. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-490150
DOI:	10.1051/0004-6361/201117753
Journal or Publication Title:	Astron. Astrophys.
Volume:	533
Date:	2011
Publisher:	EDP SCIENCES S A
Place of Publication:	LES ULIS CEDEX A
ISSN:	1432-0746
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language LINE SURVEY; ORION-KL; CHEMISTRY; STATES; GHZ; SO2 Multiple languages Astronomy & Astrophysics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/49015