Results 21 to 30 of about 64,574 (197)

The Relationship between Slope and Luminosity [PDF]

open access: yesKirkuk Journal of Science, 2010
In this study, a sample of galaxies has been adopted. It consists of 112 elliptical galaxies, among them were 56 dwarf elliptical galaxies, which belong to virgo cluster, 37 normal galaxies and 19 bright galaxies. Also, surface brightness profiles fitted
Mohsen H. Ali AL-Khafajy
doaj   +1 more source

Satellites and haloes of dwarf galaxies [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2012
We study the abundance of satellite galaxies as a function of primary stellar mass using the SDSS/DR7 spectroscopic catalogue. In contrast with previous studies, which focussed mainly on bright primaries, our central galaxies span a wide range of stellar mass, 10^7.5 < M_*^pri/M_sun < 10^11, from dwarfs to central cluster galaxies.
Sales, L.V.   +3 more
openaire   +4 more sources

Two Candidates for Dual AGN in Dwarf-dwarf Galaxy Mergers

open access: yesThe Astrophysical Journal, 2023
Dual active galactic nuclei (DAGN) are important for understanding galaxy-merger-triggered fueling of black holes and the hierarchical growth of structures.
Marko Mićić   +3 more
doaj   +1 more source

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

AGN feedback in dwarf galaxies? [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2017
6 pages, 5 ...
Dashyan, Gohar   +4 more
openaire   +4 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

Globular Clusters and the Halos of Dwarf Galaxies

open access: yesGalaxies, 2017
Many dwarf galaxies have disproportionately rich globular cluster (GC) systems for their luminosities. Moreover, the GCs tend to be preferentially associated with the most metal-poor stellar populations in their parent galaxies, making them attractive ...
Søren S. Larsen
doaj   +1 more source

Characteristic size and mass of galaxies in the Bose–Einstein condensate dark matter model

open access: yesPhysics Letters B, 2016
We study the characteristic length scale of galactic halos in the Bose–Einstein condensate (or scalar field) dark matter model. Considering the evolution of the density perturbation we show that the average background matter density determines the ...
Jae-Weon Lee
doaj   +1 more source

Dwarfs in Void Environments (DIVE): The Stellar Kinematics of Void Dwarf Galaxies Using the Keck Cosmic Web Imager

open access: yesThe Astrophysical Journal, 2023
Dwarf galaxies located in extremely underdense cosmic voids are excellent test beds for disentangling the effects of large-scale environments on galaxy formation and evolution. We present the first results of the Dwarfs in Void Environments Survey, which
Mithi A. C. de los Reyes   +5 more
doaj   +1 more source

Galaxy threshing and the formation of ultra-compact dwarf galaxies [PDF]

open access: yes, 2001
Recent spectroscopic and morphological observational studies of galaxies around NGC 1399 in the Fornax Cluster (Drinkwater et al. 2000b) have discovered several `ultra-compact dwarf' galaxies with intrinsic sizes of $\sim$ 100 pc and absolute $B$ band ...
Binggeli B.   +4 more
core   +1 more source

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