The ACS survey of galactic globular clusters. IX. Horizontal branch morphology and the second parameter phenomenon
Dotter, Aaron; Sarajedini, A; Anderson, Jay; Aparicio, A; Bedin, L R; Chaboyer, Brian; Majewski, S; Marin-Franch, A; Milone, Antonino; Paust, Nathaniel; Piotto, G; Reid, I Neill
Description
The horizontal branch (HB) morphology of globular clusters (GCs) is most strongly influenced by metallicity. The second parameter phenomenon, first described in the 1960s, acknowledges that metallicity alone is not enough to describe the HB morphology of
| Collections | ANU Research Publications |
|---|---|
| Date published: | 2010 |
| Type: | Journal article |
| URI: | http://hdl.handle.net/1885/79058 |
| Source: | Astrophysical Journal Letters |
| DOI: | 10.1088/0004-637X/708/1/698 |
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| File | Description | Size | Format | Image |
|---|---|---|---|---|
| 01_Dotter_The_ACS_survey_of_galactic_2010.pdf | 5.93 MB | Adobe PDF | Request a copy |
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