Discovery of CO emission from NGC 1275

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Carbon Monoxide, Elliptical Galaxies, Interstellar Matter, Radio Emission, Star Formation, Galactic Mass, Molecular Spectra

Scientific paper

CO radio emission has been discovered in both the J=1-0 and J=2-1 rotational lines from the elliptical galaxy NGC 1275. The CO, which may condense from the cooling flow by means of which mass is thought to be accumulating, exhibits such a small velocity dispersion that it may collapse into stars before it virializes in the gravitational potential of this galaxy. If the star formation rate is as high as presently calculated, the initial mass function will be weighted toward the production of low-mass stars.

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