The molecular structure of a starburst - (C-13)O in the nucleus of Maffei 2

Details The molecular structure of a starburst - (C-13)O in the nucleus of Maffei 2 The molecular structure of a starburst - (C-13)O in the nucleus of Maffei 2

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...377..434h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 377, Aug. 20, 1991, p. 434-441. Research supported by University of Califor

Astronomy and Astrophysics

Astrophysics

28

Galactic Nuclei, Galactic Structure, Interstellar Gas, Molecular Clouds, Spiral Galaxies, Starburst Galaxies, Astronomical Maps, Carbon Monoxide, Carbon 13, Star Formation

Scientific paper

Maps are presented of the nearby spiral galaxy Maffei 2 in the (C-13)O J = 1-0 transition at 6-7 arcsec resolution. The maps indicate that the molecular clouds in the nucleus form a barlike structure that is remarkably well correlated with the radio continuum from the starburst. It is argued that this structure is probably due to one-armed spiral density wave. Two kinematically distinct components are seen within this molecular material: the center, which is compact and rotating rapidly with a steep velocity gradient, and the extended bar, which has a flattened rotation curve.

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