Kinematics of the Sagittarius B2(N-LMH) Molecular Core

Details Kinematics of the Sagittarius B2(N-LMH) Molecular Core Kinematics of the Sagittarius B2(N-LMH) Molecular Core

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apj...596l.235h&link_type=abstract

The Astrophysical Journal, Volume 596, Issue 2, pp. L235-L238.

Astronomy and Astrophysics

Astronomy

15

Ism: Abundances, Ism: Clouds, Ism: Individual: Name: Sagittarius B2(N-Lmh), Ism: Molecules, Radio Lines: Ism

Scientific paper

Ethyl cyanide (CH3CH2CN) emission and absorption have been imaged with the Very Large Array toward Sagittarius B2(N-LMH) by means of the 515-414 rotational transition at 43.5 GHz (λ~7 mm). The 1.5"×1.4" VLA beam shows two principal sources of ethyl cyanide emission: an unresolved source ~5" north of the LMH that is kinematically consistent with simple expansion, contraction, or small-scale turbulence, and the resolved LMH core source itself that shows kinematics indicating an edge-on rotating disk that extends >=3" (~0.1 pc) in the approximate east-west direction. A search for the 707-606 rotational transition of the amino acid glycine (NH2CH2COOH) at 43.7 GHz toward Sgr B2(N-LMH) gave negative results.

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