The distribution of the CO J = 2-1 emission from M82

Details The distribution of the CO J = 2-1 emission from M82 The distribution of the CO J = 2-1 emission from M82

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...275l..49s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 275, Dec. 15, 1983, p. L49-L53.

Astronomy and Astrophysics

Astronomy

48

Carbon Monoxide, Galactic Radio Waves, Interstellar Gas, Molecular Clouds, Emission Spectra, Galaxies, Radial Velocity, Radio Sources (Astronomy), Velocity Distribution

Scientific paper

The CO J = 2-1 emission has been mapped for the first time at high spatial resolution in the central region of M82. The region of strong CO emission has an extent of 750 x 550 pc and has a radial velocity distribution which is centered about a mean systemic velocity of 220 km/s and which is in agreement with the forbidden Ne II rotation curve. Anomalous emission is found at 170 km/s which is displayed by 250 pc to the SW of the center of the CO emission and has a significant minor-axis extension. This emission may be related to the compact radio source 41.9+58, the optical filaments, or possibly to the intergalactic gas cloud with which M82 is thought to be colliding.

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