Stellar mass estimates in early-type galaxies

Details Stellar mass estimates in early-type galaxies Stellar mass estimates in early-type galaxies

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1111...99l&link_type=abstract

PROBING STELLAR POPULATIONS OUT TO THE DISTANT UNIVERSE: CEFALU 2008, Proceedings of the International Conference. AIP Conferen

Computer Science

Normal Galaxies, Extragalactic Objects And Systems, Galaxy Clusters, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies

Scientific paper

We present a work aimed at quantifying the reliability and systematics affecting the mass estimates obtained by means of the best fitting technique applied to the photometric SEDs of early-type galaxies at 1Finally, we present a new empirical mass estimator based on the K band apparent magnitude and on the observed (V-K) colour. We show that its reliability and its stability are even higher than those achievable with the best classic estimators, with the not negligible advantage that it does not need any multi-wavelength data fitting.

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