SIMBAD references

2001A&A...369..763D - Astronomy and Astrophysics, volume 369, 763-777 (2001/4-3)

HI-rich dwarf galaxies in the Hydra I cluster. II. Spectroscopic data.

DUC P.-A., CAYATTE V., BALKOWSKI C., THUAN T.X., PAPADEROS P. and VAN DRIEL W.

Abstract (from CDS):

We present spectrophotometric data for a sample of 15 HI-selected dwarf galaxies in the Hydra I cluster (see Duc et al., 1999A&AS..136..539D, Paper I). Long-slit spectra were obtained along an axis including the nucleus and the brightest HII region in each galaxy. The oxygen abundance was estimated from the emission lines using various methods. All dwarfs host one or several star-forming regions that are, for the most part, located outside the nucleus. We did not find in this survey any extremely metal-deficient objects, but we did observe some galaxies with a surprisingly high metallicity for their luminosity. In a following paper in this series, we will discuss the global properties of the HI-rich dwarfs in the Hydra I cluster and focus on their dependence on the environment.

Abstract Copyright:

Journal keyword(s): galaxies: abundances - galaxies: dwarf - galaxies: clusters: general

Simbad objects: 16

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