Universität zu Köln

Thorwirth, S., Schreier, P., Salomon, T., Schlemmer, S. and Asvany, O. (2019). Pure Rotational Spectrum of CN+. Astrophys. J. Lett., 882 (1). BRISTOL: IOP PUBLISHING LTD. ISSN 2041-8213

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Abstract

The pure rotational spectrum of the elusive CN+ cation has been observed for the first time using a cryogenic ion trap apparatus and applying an action spectroscopy scheme. For the (CN+)-C-12-N-14 species, the three lowest rotational transitions have been observed, each of which exhibits hyperfine structure from the presence of the N-14 nucleus. The rare (CN+)-N-15 isotopologue has been studied up to the J = 4 - 3 transition. The observations conclusively confirm that CN+ occupies a (1)Sigma(+) electronic ground state. Given the ubiquity of the CN radical in space, CN+ is an appealing candidate for future radio astronomical searches.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Thorwirth, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schreier, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Salomon, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schlemmer, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Asvany, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-143110
DOI:	10.3847/2041-8213/ab3927
Journal or Publication Title:	Astrophys. J. Lett.
Volume:	882
Number:	1
Date:	2019
Publisher:	IOP PUBLISHING LTD
Place of Publication:	BRISTOL
ISSN:	2041-8213
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language QUADRUPOLE COUPLING-CONSTANTS; DIPOLE-MOMENTS; STATES; ION; SPECTROSCOPY; PREDICTION; MOLECULES; CURVES Multiple languages Astronomy & Astrophysics Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/14311