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Imaging and photometry of nearby dwarf galaxies

2005; EDP Sciences; Volume: 433; Issue: 2 Linguagem: Inglês

10.1051/0004-6361

1432-0746

Л. Н. Макарова, И. Д. Караченцев, E. K. Grebel, Daniel Harbeck, Г. Г. Короткова, D. Geisler,

Stellar, planetary, and galactic studies

We carried out CCD photometry in the Johnson-Cousins B and R bands of 23 dwarf galaxies: SDIG, ESO 410-17, KK11, ESO 245-05, KKs3, KK27, KK38, KK40, IC 4662, KK244, KK246, KK247, KK248, KK249, KK253, KK255, KK256, KK257, KK258, KK259, UGCA 438, ESO 347-17, and UGCA 442. Both isolated galaxies and members of the Sculptor group and the NGC 1313 group were observed. The galaxy sample is characterized by a median distance of 9.3 Mpc, and median absolute magnitude of -14.8 mag. The central surface brightnesses are in the range from 22.2 to 24.4 mag arcsec-2 in B.