Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998apjs..117..249i&link_type=abstract
Astrophysical Journal Supplement v.117, p.249
Astronomy and Astrophysics
Astronomy
5
Line: Identification, Methods: Laboratory, Molecular Data
Scientific paper
The microwave spectrum of CH318OH has been observed in the frequency range from 95 to 200 GHz. This observation is an extension of the one made by Hoshino et al. in the frequency range below 95 GHz. Observed lines are those with J <= 39, K <= 8 for the A-species and with J <= 42, |K| <= 7 for the E-species in the torsional ground state (vt = 0) and some lines in the torsional excited state (vt = 1-3). A total of 533 microwave lines with vt <= 2, J <= 42, and K <= 8 have been fitted to 66 molecular constants by using the reduced Hamiltonian (Tang & Takagi) with a root mean square (rms) of 0.271 MHz, where the A and E substates are treated simultaneously. Three unidentified interstellar lines have been assigned to CH318OH lines tentatively.
Duan Yun-Bo
Ikeda Miho
Takagi Kojiro
Tsunekawa Shozo
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