Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.171..161v&link_type=abstract
(IAU, European Regional Astronomy Meeting, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640
Astronomy and Astrophysics
Astrophysics
Ammonia, Emission Spectra, Gas Flow, Molecular Clouds, Star Formation, Carbon Monoxide, Stellar Evolution
Scientific paper
The (J, K) = (1, 1) ammonia transition emission has been observed toward six regions with signs of active star formation (AFGL 5142, HH 33/40, AFGL 5157, AFGL 6366S, HHL 73, and S140N), using the 37-m antenna of the Haystack Observatory. The ammonia emission was detected and mapped in all of these sources with the exception of HH 33/40. The (J, K) = (2, 2) ammonia transition was also observed at the peak position of each source in order to obtain the rotational temperature of the ammonia clumps.
Anglada Guillem
Lopez Rebolo R.
Rodriguez Luis F.
Torrelles Jose Maria
Verdes-Montenegro Lourdes
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