Results 21 to 30 of about 9,226 (168)

DWARF GALAXIES OF THE LOCAL GROUP [PDF]

open access: greenAnnual Review of Astronomy and Astrophysics, 1998
▪ Abstract  The Local Group dwarf galaxies offer a unique window to the detailed properties of the most common type of galaxy in the Universe. In this review, I update the census of Local Group dwarfs based on the most recent distance and radial velocity determinations.
Mario Mateo
openalex   +4 more sources

Dwarf Galaxies with the Highest Concentration Are Not Thicker than Ordinary Dwarf Galaxies

open access: yesThe Astrophysical Journal, 2023
Abstract The formation mechanism of high-concentration dwarf galaxies is still a mystery. We perform a comparative study of the intrinsic shape of nearby low-mass galaxies with different stellar concentration. The intrinsic shape is parameterized by the intermediate-to-major axis ratios B/A and the minor-to-major axis ratios C/A of ...
Lijun Chen   +7 more
openaire   +3 more sources

Manganese in dwarf spheroidal galaxies [PDF]

open access: yesAstronomy & Astrophysics, 2012
19 pages, 10 figures, accepted for publication in Astronomy & ...
Mike Irwin   +14 more
openaire   +6 more sources

The Interstellar Medium of Dwarf Galaxies [PDF]

open access: yesGalaxies, 2022
Dwarf galaxies are by far the most numerous galaxies in the Universe, showing properties that are quite different from those of their larger and more luminous cousins. This review focuses on the physical and chemical properties of the interstellar medium of those dwarfs that are known to host significant amounts of gas and dust. The neutral and ionized
Christian Henkel   +2 more
openaire   +3 more sources

The evolution of dwarf galaxies [PDF]

open access: yesAstrophysics and Space Science, 1988
We propose an evolutionary model for dwarf galaxies in Which initially metal-poor gas-rich dwarf irregular (dI) galaxies evolve through bursting Blue Compact Dwarf(BCD) stages and eventually fade from the BCD phase to become dwarf ellipticals (dE). During the bursting phase the surface brightness of the galaxy increases rapidly due to enhanced OB star ...
S. Phillips, Jonathan Ivor Davies
openaire   +3 more sources

The Faintest Dwarf Galaxies [PDF]

open access: yesAnnual Review of Astronomy and Astrophysics, 2019
The lowest luminosity ([Formula: see text] L[Formula: see text]) Milky Way satellite galaxies represent the extreme lower limit of the galaxy luminosity function. These ultra-faint dwarfs are the oldest, most dark matter–dominated, most metal-poor, and least chemically evolved stellar systems known.
openaire   +3 more sources

THE METALLICITY OF VOID DWARF GALAXIES [PDF]

open access: yesThe Astrophysical Journal, 2014
The current Lambda CDM cosmological model predicts that galaxy evolution proceeds more slowly in lower density environments, suggesting that voids are a prime location to search for relatively pristine galaxies that are representative of the building blocks of early massive galaxies.
K. Kreckel   +4 more
openaire   +4 more sources

Substructure in Dwarf Galaxies [PDF]

open access: yesPublications of the Astronomical Society of Australia, 2004
AbstractRecent years have seen a series of large-scale photometric surveys with the aim of detecting substructure in nearby dwarf galaxies. Some of these objects display a varying distribution of each stellar population, reflecting their star formation histories.
openaire   +4 more sources

AGN feedback in dwarf galaxies? [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2017
6 pages, 5 ...
Dashyan, Gohar   +4 more
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Dwarf Spheroidal Galaxies [PDF]

open access: yesSymposium - International Astronomical Union, 1994
Dwarf Spheroidal (dSph) galaxies are the faintest baryonic systems recognized as galaxies. Understanding the structure and stellar populations of these systems is critical for the modelling of their formation and evolution, and by extension, for understanding the general problem of galaxy formation ...
openaire   +2 more sources

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