ASTEROSEISMIC ANALYSIS OF THE INTERNAL STRUCTURE AND EVOLUTION OF RED GIANT BRANCH BUMP STARS

• Published in: The Astrophysical journal Vol. 804; no. 1; pp. 6 - 10
• Main Authors: Gai, Ning, Tang, Yanke
• Format: Journal Article
• Language: English
• Published: The American Astronomical Society 01.05.2015
• Subjects: Acoustics; Asymptotic properties; Envelopes; Luminosity; Mathematical models; Metallicity; Red giant stars; Stars; stars: evolution; stars: interiors; stars: oscillations

ABSTRACT The "bump" is a prominent feature of the red giant branch (RGB) luminosity function of stellar clusters. Through constructing a grid of models with different masses and metallicities to study the feature of the RGB bump luminosity we find that the luminosity increases almost monot...