Star formation in the cooling flows of M87/Virgo and NGC 1275/Perseus

Details Star formation in the cooling flows of M87/Virgo and NGC 1275/Perseus Star formation in the cooling flows of M87/Virgo and NGC 1275/Perseus

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...335..688w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 335, Dec. 15, 1988, p. 688-702.

Astronomy and Astrophysics

Astrophysics

61

Accretion Disks, Interstellar Matter, Star Formation, Virgo Galactic Cluster, X Ray Sources, Galactic Mass, Hubble Constant, Interstellar Gas, Mass Flow

Scientific paper

X-ray observations indicate that M87/Virgo and NGC 1275/Perseus have cooling flows which are associated with accretion rates of ≡20 - 30 and ≡300 - 500 M_sun;yr-1, respectively. The authors assess whether star formation is necessarily occurring in these cooling flows by calculating constant mass-flux models for all reasonable parameter space. It is assumed that the inflow is steady state. The authors find no constant-mass-flux models which are consistent with all of the relevant observations, so they conclude that mass is indeed dropping out of these cooling flows. The authors then consider a variety of star-forming models in which the X-ray emission due to cooling condensates is taken into account.

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