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astro-ph.GA2026
Dust in the very metal-poor galaxy Sextans A with JWST. I: Characterizing the evolved stellar population of Sextans A based on JWST observations and stellar evolution models
C. Gavetti, F. Dell'Agli, E. Tarantino +22
The nearby star-forming dwarf galaxy Sextans A offers a unique window into galaxy evolution in the early Universe, owing to its extremely low metallicity (about 1-7% Zsun). Recent…
astro-ph.SR2026
Ages and masses of asymptotic giant branch stars from the period--luminosity diagram
Iain McDonald
A method of determining ages and masses of asymptotic giant branch (AGB) stars between 0.8 and 6 M is demonstrated, based on comparing the star's position in the peri…
astro-ph.GA2026
The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies-VIII. A Census of Long-Period Variable Stars across the Andromeda Dwarf Satellite System
Hedieh Abdollahi, Atefeh Javadi, Jacco Th. van Loon +6
We present a comprehensive catalog, in the Sloan and Harris filters, of long-period variable (LPV) stars in the spheroidal dwarf satellites of the Andromeda galaxy, based o…