Broad-band colours of Virgo cluster low surface brightness dwarf irregular galaxies

Ana B. Heller, Noah Brosch

Research output: Contribution to journalArticlepeer-review

Abstract

We present UBVRI images and surface photometry of a complete sample of 29 low-luminosity dwarf irregular galaxies in the Virgo cluster, for which we derive central surface brightnesses, scalelengths, integrated magnitudes and median colours. The colour distributions are discussed in terms of radial surface brightness profiles, and colour gradients are interpreted and compared with corresponding ones for low surface-brightness (LSB) spiral galaxies. By combining broad-band and narrow-band filter observations, the past and current influences of the cluster environment on the evolution of LSB dwarf irregular galaxies are evaluated.

Original languageEnglish
Pages (from-to)80-114
Number of pages35
JournalMonthly Notices of the Royal Astronomical Society
Volume327
Issue number1
DOIs
StatePublished - 11 Oct 2001

Keywords

  • Galaxies: clusters: individual: Virgo
  • Galaxies: dwarf
  • Galaxies: irregular
  • Galaxies: photometry

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