Results 31 to 40 of about 4,112,115 (294)
Quantifying Uncertainties on the Tip of the Red Giant Branch Method
The Astronomical Journal, 2023 We present an extensive grid of numerical simulations quantifying the uncertainties in measurements of the tip of the red giant branch (TRGB). These simulations incorporate a luminosity function composed of 2 mag of red giant branch (RGB) stars leading ...
Barry F. Madore +3 more
doaj +1 more source
Ensemble asteroseismology of red-giant stars
, 2011 The successful launches of the CoRoT and Kepler space missions have led to the detections of solar-like oscillations in large samples of red-giant stars. The large numbers of red giants with observed oscillations make it possible to investigate the properties of the sample as a whole: ensemble asteroseismology.
Hekker, S. +5 more
openaire +3 more sources
Red Giant evolution and specific problems [PDF]
, 2013 In spite of the great effort made in the last decades to improve our understanding of stellar evolution, significant uncertainties still remain due to our poor knowledge of some complex physical processes that still require an empirical calibration, such
Girardi, L. +17 more
core +1 more source
Irregular Red-Giant Variable Stars [PDF]
International Astronomical Union Colloquium, 1989 Aperiodic intrinsic variability becomes increasingly evident for a greater number of red giant and supergiant stars as observations become more technically refined and extended over a longer time. All red variables show an erratic temporal behavior to some degree.
M. Querci, F. Querci
openaire +1 more source
Modelling of Red Giant Stars: The state-of-the-art [PDF]
, 2017 The seismic data obtained by the CoRoT and Kepler space missions have provided inferences of the global and structural properties of thousands of red giants.
CASSISI, Santi +2 more
core +1 more source
Red-Giant Stars With Low Period Spacings
, 2022 The ability of studying the interior structure of stars makes asteroseismology a powerful method to learn more about stars. Additionally, the large amount of data provided by space telescopes like Kepler makes it possible to observe stars in short ...
Braun, Teresa A. M.
core +1 more source
Harlow Shapley and Red Giant Stars [PDF]
Symposium - International Astronomical Union, 1988 In five papers written between 1951 and 1955 Shapley considers the topic of red giant stars and reddish variable stars in the Magellanic Clouds. These works coincide with Shapley's final year as Director at Harvard and the first years of his retirement which extended a full score of years before his death in 1972. They include the following: Magellanic
F. Martin, S. J. McCarthy
openaire +1 more source
Asteroseismic inferences from red-giant stars [PDF]
, 2018 The analysis of high-precision long-term photometric time-series of data from the NASA Kepler space mission (2008 − 2012) has revolutionized the field of red-giant seismology.
Themeẞl, Nathalie
core +1 more source
Ensemble Asteroseismology of Red-giant Stars [PDF]
, 2012 The successful launches of the CoRoT and Kepler space missions have led to the detections of solar-like oscillations in large samples of red-giant stars.
De Ridder, J. +5 more
core +5 more sources
Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS [PDF]
, 2021 We report the discovery of planetary companions orbiting four low-luminosity giant stars with M⋆ between 1.04 and 1.39 M⊙. All four host stars have been independently observed by the EXoPlanets aRound Evolved StarS (EXPRESS) program and the Pan-Pacific ...
Wittenmyer, R. +33 more
core +1 more source