A Hot Molecular Hydrogen Gas Nebula at the center of the Perseus Cluster

Details A Hot Molecular Hydrogen Gas Nebula at the center of the Perseus Cluster A Hot Molecular Hydrogen Gas Nebula at the center of the Perseus Cluster

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21630707l&link_type=abstract

American Astronomical Society, AAS Meeting #216, #307.07; Bulletin of the American Astronomical Society, Vol. 41, p.868

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Scientific paper

We present the discovery of a hot molecular hydrogen gas nebula in NGC 1275, the central giant elliptical galaxy in the Perseus Cluster. This nebula was imaged in the 2.12 micron vibrational line of molecular hydrogen with the CFHT. We show that the hot molecular gas nebula coincides spatially with the well known optical ionized-gas nebula in NGC 1275, and where detectable cool molecular gas as imaged in CO. The ratio of the 2.12 micron H2 to Halpha+[NII] line is nearly the same everywhere except at the nucleus, a known star-forming region, and another compact region that may possibly harbor star formation. We discuss the origin and excitation of the multiphase nebula, a source of speculation ever since the discovery of the optical ionized-gas component in the 1950's.

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