Gas and Stars in an HI-Selected Galaxy Sample

Details Gas and Stars in an HI-Selected Galaxy Sample Gas and Stars in an HI-Selected Galaxy Sample

2004-11-17

arxiv.org/abs/astro-ph/0411499v1

Astronomy and Astrophysics

Astrophysics

AJ in press, 17 pages (including tables and figures) + 6 additional jpg figures

Scientific paper

10.1086/427397

We present the results of a J-band study of the HI-selected Arecibo Dual-Beam Survey and Arecibo Slice Survey galaxy samples using the 2 Micron All-Sky Survey data. We find that these galaxies span a wide range of stellar and gas properties. However, despite the diversity within the samples, we find a very tight correlation between luminosity and size in the J-band, similar to that we previously found (Rosenberg & Schneider 2003) between the HI mass and size. We also find that the correlation between the baryonic mass and the J-band diameter is even tighter than between the baryonic mass and the rotational velocity.

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