Results 91 to 100 of about 12,885 (260)

Observed Properties of Dark Matter on Small Spatial Scales [PDF]

open access: yes, 2007
The nature of dark matter is one of the outstanding questions of astrophysics. The internal motions of member stars reveal that the lowest luminosity galaxies in the Local Group are the most dark-matter dominated.
Benson   +4 more
core   +1 more source

Luminosity-Diameter Relations for Globular Clusters and Dwarf Spheroidal Galaxies

open access: yes, 2008
It is shown that globular clusters and the dwarf spheroidal companions of the Galaxy have a different distribution of flattening values, and appear to occupy adjacent regions of the M_v versus log R_h plane that can be separated by what will be referred ...
Belokurov   +16 more
core   +1 more source

Star-Forming Regions in Dwarf Galaxies of the Local Volume [PDF]

open access: yes, 2013
We present the H-alpha flux measurements for 44 nearby dwarf galaxies, derived from the observations at the 6-m BTA telescope. H-alpha fluxes were used to determine the rate of integral star formation of galaxies, SFR. For the observed galaxies the value
Kaisin, S. S., Karachentsev, I. D
core   +1 more source

The effect of tides on the Fornax dwarf spheroidal galaxy [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2015
19 pages, 16 figures.
Antonio Sollima   +3 more
openaire   +3 more sources

A VIRIAL CORE IN THE SCULPTOR DWARF SPHEROIDAL GALAXY [PDF]

open access: yesThe Astrophysical Journal, 2012
4 pages, 2 figures, ApJL ...
Nick Evans, Adriano Agnello
openaire   +3 more sources

FORMATION OF DWARF SPHEROIDAL GALAXIES VIA MERGERS OF DISKY DWARFS [PDF]

open access: yesThe Astrophysical Journal, 2011
6 pages, 2 figures, LaTeX (uses emulateapj.cls). Replaced to match the version accepted for publication in ApJL.
Kazantzidis, S   +4 more
openaire   +4 more sources

The evolution of dwarf galaxy satellites with different dark matter density profiles in the ErisMod simulations. I. The early infalls [PDF]

open access: yes, 2015
We present the first simulations of tidal stirring of dwarf galaxies in the Local Group carried out in a cosmological context. We use the ErisDARK simulation of a MW-sized galaxy to identify some of the most massive subhalos ($M_{vir} > 10^8 M_{\odot ...
Mayer, Lucio   +2 more
core   +1 more source

On the Stellar Content of the Carina Dwarf Spheroidal Galaxy1 [PDF]

open access: yesPublications of the Astronomical Society of the Pacific, 2010
Accepted on PASP, 12 pages, 6 ...
Giuseppe Bono   +24 more
openaire   +8 more sources

A Survey for Low-Surface-Brightness Galaxies Around M31. I. The Newly Discovered Dwarf Andromeda V

open access: yes, 1998
We present images and a color-magnitude diagram for And V, a new dwarf spheroidal companion to M31 that was found using a digital filtering technique applied to 1550 square degrees of the second Palomar Sky Survey.
Bertelli G.   +9 more
core   +3 more sources

Exploring the Evolution of a Dwarf Spheroidal Galaxy with SPH Simulations. II. AGN Feedback

open access: yesThe Astrophysical Journal
We investigate active galactic nucleus (AGN) feedback from an intermediate-mass black hole at the center of a dwarf spheroidal galaxy, by performing isolated galaxy simulations using a modified version of the GADGET-3 code. We consider Leo II (PGC 34176)
Roberto Hazenfratz   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy