Results 151 to 160 of about 21,784 (251)

The Tip of Red Giant Branch Distances to Nearby Dwarf Galaxies WLM and Sextans A with JWST

open access: yesThe Astrophysical Journal
Distance measurements to extragalactic systems that are both accurate and precise are cornerstones of modern astrophysics, underpinning the calibration of standard candles and the determination of the Hubble constant.
Ziming Yan   +3 more
doaj   +1 more source

Presolar SiC Grains of Type Y: Origin from Low‐Metallicity Asymptotic Giant Branch Stars [PDF]

open access: bronze, 2001
S. Amari   +5 more
openalex   +1 more source

Distance Estimate Method for Asymptotic Giant Branch Stars Using Infrared Spectral Energy Distributions

open access: yesThe Astrophysical Journal
We present a method to estimate distances to asymptotic giant branch (AGB) stars in the Galaxy, using spectral energy distributions (SEDs) in the near- and mid-infrared. By assuming that a given set of source properties (initial mass, stellar temperature,
Rajorshi Bhattacharya   +10 more
doaj   +1 more source

Stellar Evolution in Real Time. II. R Hydrae and an Open-Source Grid of >3000 Seismic TP-AGB Models Computed with MESA

open access: yesThe Astrophysical Journal
We present a comprehensive characterization of the evolved thermally pulsing asymptotic giant branch (TP-AGB) star R Hydrae (R Hya), building on the techniques applied in Stellar Evolution in Real Time I (Molnár et al.) to T Ursae Minoris.
Meridith Joyce   +5 more
doaj   +1 more source

The brightest asymptotic giant branch stars in the Leo I dwarf spheroidal galaxy [PDF]

open access: bronze, 2002
J. W. Menzies   +4 more
openalex   +1 more source

An asymptotic-giant-branch star in the progenitor system of a type Ia supernova [PDF]

open access: green, 2003
M. Hamuy   +10 more
openalex   +1 more source

A Parameter Study of 1D Atmospheric Models of Pulsating AGB Stars

open access: yesGalaxies
Using the atmospheric pulsation code written by George Bowen, we have performed a parameter study examining the effects of modifying various parameters of models of oxygen-rich AGB atmospheres pulsating in the fundamental and first-overtone modes.
Henry A. Prager   +4 more
doaj   +1 more source

Do meteoritic silicon carbide grains originate from asymptotic giant branch stars of super-solar metallicity? [PDF]

open access: yes, 2018
M. Lugaro   +5 more
semanticscholar   +1 more source

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