Star formation and the interstellar medium in low surface brightness galaxies. I. Oxygen abundances and abundance gradients in low surface brightness disk galaxies

Details Star formation and the interstellar medium in low surface brightness galaxies. I. Oxygen abundances and abundance gradients in low surface brightness disk galaxies Star formation and the interstellar medium in low surface brightness galaxies. I. Oxygen abundances and abundance gradients in low surface brightness disk galaxies

1998-03-27

arxiv.org/abs/astro-ph/9803308v1

Astronomy and Astrophysics

Astrophysics

Accepted for publication in A&A. 11 pages

Scientific paper

We present measurements of the oxygen abundances in 64 HII regions in 12 LSB
galaxies. We find that oxygen abundances are low. No regions with solar
abundance have been found, and most have oxygen abundances $\sim 0.5$ to 0.1
solar. The oxygen abundance appears to be constant as a function of radius,
supporting the picture of quiescently and sporadically evolving LSB galaxies.

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