Results 1 to 10 of about 6,518 (266)

Stellar populations with ELTs [PDF]

open access: yesProceedings of the International Astronomical Union, 2005
The star formation, mass assembly and chemical enrichment histories of galaxies, and their present distributions of dark matter, remain encoded in their stellar populations. Distinguishing the actual distribution functions of stellar age, metallicity and kinematics at several locations in a range of galaxies, sampling across Hubble types and ...
Wyse, Rosemary F. G., Gilmore, Gerard
openaire   +2 more sources

The “Building Blocks” of Stellar Halos

open access: yesGalaxies, 2017
The stellar halos of galaxies encode their accretion histories. In particular, the median metallicity of a halo is determined primarily by the mass of the most massive accreted object.
Kyle A. Oman   +2 more
doaj   +1 more source

Panchromatic averaged stellar populations [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2010
13 pages and 10 figures.
Riffel, R   +4 more
openaire   +3 more sources

Light Elements in the Universe

open access: yesFrontiers in Astronomy and Space Sciences, 2021
Due to their production sites, as well as to how they are processed and destroyed in stars, the light elements are excellent tools to investigate a number of crucial issues in modern astrophysics: from stellar structure and non-standard processes at work
Sofia Randich, Laura Magrini
doaj   +1 more source

Astroserver – Research Services in the Stellar Webshop

open access: yesOpen Astronomy, 2017
A quick look at research and development in astronomy shows that we live in exciting times. Exoplanetary systems, supernovae, and merging binary black holes were far out of reach for observers two decades ago and now such phenomena are recorded routinely.
Németh Péter
doaj   +1 more source

Nitrogen-enriched, Highly Pressurized Nebular Clouds Surrounding a Super Star Cluster at Cosmic Noon

open access: yesThe Astrophysical Journal, 2023
Strong lensing offers a precious opportunity for studying the formation and early evolution of super star clusters that are rare in our cosmic backyard.
Massimo Pascale   +3 more
doaj   +1 more source

Looking into dark matter with asteroseismology

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Dark matter remains as an elusive component of modern Cosmology. According to previous research, stellar physics observables can be affected by the presence of hypothetical dark matter particles, which can be produced or accreted into the stars.
Adrián Ayala
doaj   +1 more source

DSPS: Differentiable stellar population synthesis

open access: yesMonthly Notices of the Royal Astronomical Society, 2023
ABSTRACT Models of stellar population synthesis (SPS) are the fundamental tool that relates the physical properties of a galaxy to its spectral energy distribution (SED). In this paper, we present DSPS: a python package for SPS. All of the functionality in DSPS is implemented natively in the JAX library for automatic differentiation, and
Andrew P Hearin   +4 more
openaire   +2 more sources

Stellar Populations Across cD Galaxies [PDF]

open access: yesProceedings of the International Astronomical Union, 2006
Abstract We present preliminary long-slit spectroscopy of a sample of nearby cD galaxies recently observed with the William Herschel and GEMINI North and South Telescopes. So far, we have accumulated data for 27 cDs. More is being observed with the GEMINI telescopes, to create a statistically significant sample.
Loubser, S, Sansom, A, Soechting, I
openaire   +2 more sources

Stellar populations of shell galaxies [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2017
Submitted to MNRAS.
Carlsten, S., Hau, G. K. T., Zenteno, A.
openaire   +2 more sources

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