Neutral Hydrogen Observations of the Extremely Metal-Poor Blue Compact Dwarf Galaxy SBS 0335-052

Astronomy and Astrophysics – Astronomy

Scientific paper

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Galaxies: Abundances, H Ii Regions

Scientific paper

We present VLA H I observations of one of the most metal-deficient blue compact dwarf (BCD) galaxies known, SBS 0335-052, which sports an oxygen abundance of only 1/40 that of the Sun. We study the structure and dynamics of the neutral gas in this chemically young object at a spatial resolution of 20''×15'' ( 5.4×3.9 kpc at a distance of 54 Mpc), and a velocity resolution of 21.2 kms-1.

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