NH3 observations of the AFGL 2591 region - A possible cavity in the molecular cloud

Details NH3 observations of the AFGL 2591 region - A possible cavity in the molecular cloud NH3 observations of the AFGL 2591 region - A possible cavity in the molecular cloud

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...343..222t&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 343, Aug. 1, 1989, p. 222-228.

Astronomy and Astrophysics

Astronomy

18

Ammonia, Interstellar Gas, Molecular Clouds, Water Masers, Continuous Radiation, Mass Distribution, Radio Sources (Astronomy), Rotational Spectra, Very Large Array (Vla)

Scientific paper

Using the VLA the (J, K) = (1, 1) and (2, 2) ammonia lines toward the IR object AFGL 2591 were observed. A clumpy medium was detect. A hot shell-like structure with large line widths is found coincident with a near-IR bubble. A central outflow has apparently produced a cavity in the molecular gas. The spatial distribution of the observed heating suggests that the exciting source is toward the eastern side of the shell structure. This central source may be related to the H2O maser, the compact radio source 3, and AFGL 2591. Given the uncertainties in relative registrations of IR and radio frames, it is possible that these are the same object.

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