Potential of the Surface Brightness Fluctuations method to measure distances to dwarf elliptical galaxies in nearby clusters

Details Potential of the Surface Brightness Fluctuations method to measure distances to dwarf elliptical galaxies in nearby clusters Potential of the Surface Brightness Fluctuations method to measure distances to dwarf elliptical galaxies in nearby clusters

2003-03-26

arxiv.org/abs/astro-ph/0303577v2

Astron.Astrophys. 403 (2003) 43-54

Astronomy and Astrophysics

Astrophysics

12 pages, 8 figures, accepted by A&A, replaced by version with non-abridged bottom page limit

Scientific paper

10.1051/0004-6361:20030331

The potential of the Surface Brightness Fluctuations (SBF) method to determine the membership of dwarf elliptical galaxies (dEs) in nearby galaxy clusters is investigated. Extensive simulations for SBF measurements on dEs in the I-band for various combinations of distance modulus, seeing and integration time are presented, based on average VLT FORS1 and FORS2 zero points. These show that for distances up to 20 Mpc (Fornax or Virgo cluster distance), reliable membership determination of dEs can be obtained down to very faint magnitudes -10

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