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

Published

October 1, 2003

Author(s)

J M. Hollis, J A. Pedelty, D A. Boboltz, S Y. Liu, Lewis E. Snyder, Patrick Palmer, Francis J. Lovas, P R. Jewell

Abstract

Ethyl cyanide (CH3CH2CN) emission and absorption have been imaged with the Very Large Array toward Sagittarius B2(N-LMH) by means of the 5(15)-4(14) rotational transition at 43.5 GHz (lambda similar to mm). The 1.5 x 1.4 VLA beam shows two principal sources of ethyl cyanide emission: an unresolved source similar to5 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 greater than or equal to3 (similar to0.1 pc) in the approximate east-west direction. A search for the 7(07) - 6(06) rotational transition of the amino acid glycine (NH2CH2COOH) at 43.7 GHz toward Sgr B2(N-LMH) gave negative results.

Citation

Astrophysical Journal

Volume

596

Issue

No. 2

Pub Type

Journals

Citation

Hollis, J. , Pedelty, J. , Boboltz, D. , Liu, S. , Snyder, L. , Palmer, P. , Lovas, F. and Jewell, P. (2003), Kinematics of the Sagittarius B2(N-LMH) Molecular Core, Astrophysical Journal (Accessed October 13, 2025)