Laboratory and astrophysical detection of the hyperfine structure of the J = 1-0 rotational transition of HC17O+

Details Laboratory and astrophysical detection of the hyperfine structure of the J = 1-0 rotational transition of HC17O+ Laboratory and astrophysical detection of the hyperfine structure of the J = 1-0 rotational transition of HC17O+

Mar 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26a...368..712d&link_type=abstract

Astronomy and Astrophysics, v.368, p.712-715 (2001)

Astronomy and Astrophysics

Astrophysics

3

Molecular Data, Methods: Laboratory, Ism: Individual(L1544), Molecules, Radio Lines: Ism

Scientific paper

The three hyperfine components of the J=1<- 0 rotational transition of HC17O+ have been resolved in laboratory leading to a value of the quadrupole coupling constant eQq of 4.595 MHz, which is far below the previous estimate of an upper limit of 12 MHz by Guélin et al. \cite{gcl82}. The HC17O+ (1-0) spectrum has been observed toward the ``molecular peak'' of L1544 and analyzed on the basis of the laboratory hyperfine frequencies.

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