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2008MNRAS.390..759B - Mon. Not. R. Astron. Soc., 390, 759-768 (2008/October-3)
On the star formation rate - brightest cluster relation: estimating the peak star formation rate in post-merger galaxies.
BASTIAN N.
Abstract (from CDS):
Using this relation, we can extrapolate backwards in time in order to estimate the peak SFR of major merger galaxies, such as NGC 7252,1316 and 3610. The derived SFRs for these galaxies are between a few hundred and a few thousand solar masses per year. The inferred far-infrared luminosity of the galaxies, from the extrapolated SFR, places them well within the range of ultraluminous infrared galaxies (ULIRGs) and for NGC 7252 within the hyperluminous infrared galaxy (HLIRG) regime. Thus, we provide evidence that these post-merger galaxies passed through a ULIRG/HLIRG phase and are now evolving passively. Using the current and extrapolated past SFR of NGC 34, we infer that the ULIRG phase of this galaxy has lasted for at least 150 Myr.
Abstract Copyright: © 2008 The Author. Journal compilation © 2008 RAS
Journal keyword(s): galaxies: starburst - galaxies: star clusters
Simbad objects: 37
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