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2005MNRAS.360..685C - Mon. Not. R. Astron. Soc., 360, 685-692 (2005/June-3)
Vigorous star formation in a bulge-dominated extremely red object at z= 1.34.
COTTER G., SIMPSON C. and BOLTON R.C.
Abstract (from CDS):
Even though our first target has many of the properties of an old elliptical, the ongoing star formation means that it cannot have formed all of its stellar population at high redshift. While we cannot infer any robust values for the SFR in ellipticals at z > 1 from this one object, we argue that the presence of an object with such a high SFR in such a small sample suggests that a non-negligible fraction of the elliptical galaxy population may have formed a component of their stellar population at redshifts z∼ 1-2. We suggest that this is evidence for ongoing star formation in the history of elliptical galaxies.
Abstract Copyright: 2005 RAS
Journal keyword(s): galaxies: evolution - galaxies: starburst - cosmology: observations - infrared: galaxies
Nomenclature: Table 1: [CSB2005] NN (Nos 1-18).
Simbad objects: 22
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