Results 101 to 110 of about 562,019 (240)

Ensemble asteroseismology of red-giant stars

open access: yes, 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

From red giants to planetary nebulae

open access: yesThe Astrophysical Journal, 1981
The advent of infrared and microwave technologies opened up a new era in the study of mass loss from red giants. Physical structure (temperature, density and velocity distributions) of the circumstellar (CS) envelopes of red giants can be determined through both line and continuum observations in these new wavebands (cf Kwok 1980a).
openaire   +1 more source

Tales of stellar and binary coevolution, told by stellar oscillations

open access: yesAstronomy & Astrophysics
Context. Red giants are increasingly used as stellar population tracers due to their well-understood evolution and the availability of asteroseismic observables. However, stellar binarity can alter observable properties and introduce strong biases. Aims.
Beck Paul G.
doaj   +1 more source

Pulsations detected in the line profile variations of red giants [PDF]

open access: bronze, 2006
S. Hekker   +3 more
openalex   +1 more source

Modeling the HI 21-cm line profile from circumstellar shells around red giants [PDF]

open access: green, 2015
Do Thi Hoai   +5 more
openalex   +1 more source

Testing the Breakdown of the Asteroseismic Scaling Relations in Luminous Red Giants

open access: yesThe Astrophysical Journal
Nearly all cool, evolved stars are solar-like oscillators, and fundamental stellar properties can be inferred from these oscillations with asteroseismology.
Amanda L. Ash   +3 more
doaj   +1 more source

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