Results 281 to 290 of about 402,684 (314)
Extended hot dust emission around the earliest massive quiescent galaxy
Ji Z +16 more
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Astrophysics and Space Science, 2003
Dwarf and Low Surface Brightness (LSB) galaxies are the most numerous type of galaxies in the local Universe. However ubiquitous they are, their properties remain widely unexplored. Dwarf galaxies range from Ultra Compact Objects (UCO), Dwarf Ellipticals (dE), Dwarf Spheroidals (dSph) to Dwarf Irregulars (dIrr) and are generally of low surface ...
Infante Lira, Leopoldo +2 more
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Dwarf and Low Surface Brightness (LSB) galaxies are the most numerous type of galaxies in the local Universe. However ubiquitous they are, their properties remain widely unexplored. Dwarf galaxies range from Ultra Compact Objects (UCO), Dwarf Ellipticals (dE), Dwarf Spheroidals (dSph) to Dwarf Irregulars (dIrr) and are generally of low surface ...
Infante Lira, Leopoldo +2 more
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A 10,000-solar-mass black hole in the nucleus of a bulgeless dwarf galaxy
Nature Astronomy, 2019The motions of gas and stars in the nuclei of nearby galaxies have demonstrated that massive black holes are common1 and that their masses correlate with the stellar velocity dispersion σ★ of the bulge2–4.
J. Woo +7 more
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A supermassive black hole in an ultra-compact dwarf galaxy
Nature, 2014Ultra-compact dwarf galaxies are among the densest stellar systems in the Universe. These systems have masses of up to 2 × 108 solar masses, but half-light radii of just 3–50 parsecs.
A. Seth +13 more
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The Chemical Evolution of Dwarf Galaxies
Astrophysics and Space Science, 2001Various observations of dwarf starburst galaxies have revealed homogeneous abundance within the ionized region suggesting that the measured metallicities do not result from the metals ejected during the current burst (because they should not have time to mix homogeneously at such large scale) but from previous star formation episodes.
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Dwarf Galaxies in Nearby Groups of Galaxies
EAS Publications Series, 2011We have confirmed 19 new dwarf members in five nearby (z ≤ 0.014) groups of galaxies, measured their photometric characteristics and compared the photometric scaling relations of the late-type dwarf galaxies in the field, group and cluster environments.
J. Vennik, U. Hopp
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Dwarf Galaxies and the Dark Web
Scientific American, 2014The article discusses the planar alignment of satellite galaxies orbiting galaxies like the Milky Way unpredicted by cosmological theory, focusing on the research of the author and others that theorizes a web of dark matter explains the arrangement. Topics include an overview of dark matter theory, computer simulations of the universe, and the opposing
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Dwarf Galaxies in Nearby Galaxy Groups
2011The nearby Universe is populated mostly by galaxy groups, whose dominant galaxies are surrounded by dwarf galaxies. We have observed nearby galaxy groups in a distance range of 13–34 Mpc with a variety of different morphologies, densities, and richness in order to investigate their dwarf galaxy populations and to detect tidal streams in the halos of ...
Johannes Ludwig +3 more
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A repeating fast radio burst source localized to a nearby spiral galaxy
Nature, 2020Benito Marcote +2 more
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Cosmological simulations of galaxy formation
Nature Reviews Physics, 2020Mark Vogelsberger +2 more
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