The Red Giant Branch Bump

(2) INAF-Osservatorio Astronomico di Collurania; (3) Astrophysics Research Institute; A. Recio-Blanco (1); G. Piotto (1); Liverpool John Moores Univ.); M. Riello (1); M. Salaris (3) ((1) Dipartimento di Astronomia; S. Cassisi (2); Universita` di Padova

arxiv: astro-ph/0303295 · v1 · submitted 2003-03-13 · 🌌 astro-ph

The Red Giant Branch Bump

M. Riello (1) , G. Piotto (1) , A. Recio-Blanco (1) , S. Cassisi (2) , M. Salaris (3) ((1) Dipartimento di Astronomia , Universita` di Padova , (2) INAF-Osservatorio Astronomico di Collurania , (3) Astrophysics Research Institute

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Liverpool John Moores Univ.)

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classification 🌌 astro-ph

keywords branchbumpclustersgiantagreementcomparisondifferencediscrepancy

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We present a comparison between theoretical models and the observed magnitude difference between the horizontal branch and the red giant branch bump for a sample of 53 clusters. We find a general agreement, though some discrepancy is still present at the two extremes of the metallicity range of globular clusters.

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The Red Giant Branch Bump

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