The HI-H 2 Transition and Star Formation in Early-Type Galaxies
The HI-H 2 Transition and Star Formation in Early-Type Galaxies
The HI-H 2 Transition and Star Formation in Early-Type Galaxies
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Koyama & Ostriker 2008 ----><br />
22<br />
Red: Range <strong>in</strong> MGE ρs<br />
dash-dot: Inferred ρg<br />
dotted: Inferred ρg from<br />
average Σg<br />
22