Abstract
view Abstract Citations (8) References (28) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Low-Mass Star Formation in Cooling Flow Galaxies Schombert, James M. ; Barsony, Mary ; Hanlon, Patricia C. Abstract Observations are presented based on optical and near-IR imaging to support the idea that isolated and cluster cooling flow galaxies are enriched in low-mass stars, the result of recent, truncated IMF star formation from accreting gas. Galaxies with low accretion rates (M < 5 M_sun_ yr^-1^) have normal optical colors and gradients, but red V - K colors signaling an IMF enhanced in low-mass main-sequence stars. Cluster cooling flow ellipticals (M> 50 M_sun_ yr^-1^) selected to have blue optical colors indicative of recent star formation also show redder V - K colors with respect to expected values for a weak starburst. The strength of the starburst in the U - V, V - K diagram indicates an efficiency which places only 5% of the accreting matter into an IMF similar to that found in the Galactic disk and the remaining mass is again sited in low-mass stars. Publication: The Astrophysical Journal Pub Date: October 1993 DOI: 10.1086/187071 Bibcode: 1993ApJ...416L..61S Keywords: GALAXIES: COOLING FLOWS; GALAXIES: PHOTOMETRY full text sources ADS | data products SIMBAD (9) NED (8)
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