Results 21 to 30 of about 212,400 (210)

The internal kinematics of dwarf spheroidal galaxies

open access: yes, 2006
The status of kinematic observations in Local Group dwarf spheroidal galaxies (dSphs) is reviewed. Various approaches to the dynamical modelling of these data are discussed and some general features of dSph dark matter haloes based on simple mass models ...
Gilmore, G.   +7 more
core   +5 more sources

Dwarf Cepheids in the Carina Dwarf Spheroidal Galaxy [PDF]

open access: yesThe Astronomical Journal, 1998
20 pages of text, 7 ...
Mateo, Mario   +2 more
openaire   +2 more sources

Tidal Dwarf Galaxies and Missing Baryons

open access: yesAdvances in Astronomy, 2010
Tidal dwarf galaxies form during the interaction, collision, or merger of massive spiral galaxies. They can resemble “normal” dwarf galaxies in terms of mass, size, and become dwarf satellites orbiting around their massive progenitor.
Frederic Bournaud
doaj   +1 more source

The quest for dark matter in dwarf spheroidal galaxies with the Cherenkov Telescope Array [PDF]

open access: yesEPJ Web of Conferences, 2019
Dwarf spheroidal galaxies are among the best environments that can be studied with Cherenkov telescopes for indirect searches of γ-ray signals coming from dark matter self-interaction (annihilation or decay), due to their proximity and negligible ...
Saturni Francesco G.   +2 more
doaj   +1 more source

The puzzling assembly of the Milky Way halo – contributions from dwarf Spheroidals and globular clusters

open access: yesEPJ Web of Conferences, 2012
While recent sky surveys have uncovered large numbers of ever fainter Milky Way satellites, their classification as star clusters, low-luminosity galaxies, or tidal overdensities remains often unclear. Likewise, their contributions to the build-up of the
Lépine S., Koch A., Çalışkan Ş.
doaj   +1 more source

Abundance Analysis of Stars at Large Radius in the Sextans Dwarf Spheroidal Galaxy

open access: yesThe Astrophysical Journal, 2023
We present the stellar parameters and chemical abundances of 30 elements for five stars located at large radii (3.5–10.7 times the half-light radius) in the Sextans dwarf spheroidal galaxy. We selected these stars using proper motions, radial velocities,
Ian U. Roederer   +7 more
doaj   +1 more source

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

open access: yesThe Astrophysical Journal, 2012
4 pages, 2 figures, ApJL ...
Agnello, A., Evans, N. W.
openaire   +2 more sources

The chemical evolution of the dwarf spheroidal galaxy Sextans [PDF]

open access: yesAstronomy & Astrophysics, 2020
We present our analysis of the FLAMES dataset targeting the central 25′ region of the Sextans dwarf spheroidal galaxy (dSph). This dataset is the third major part of the high-resolution spectroscopic section of the ESO large program 171.B-0588(A) obtained by the Dwarf galaxy Abundances and Radial-velocities Team.
Theler, R.   +13 more
openaire   +6 more sources

Environmental effects on the structure of the dwarf spheroidal galaxies [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1996
14 pages, plain TEX, 4 figures soon available via ftp://boas3.bo.astro .it bap/files/ , get bap95-34fig*.ps or http://www.bo.astro.it/ or upon request at bellazzini@astbo3.bo.astro.it --accepted by MNRAS ...
Bellazzini, M.   +2 more
openaire   +2 more sources

A SPECTROSCOPIC BINARY IN THE HERCULES DWARF SPHEROIDAL GALAXY [PDF]

open access: yesThe Astrophysical Journal, 2013
We present the radial velocity curve of a single-lined spectroscopic binary in the faint Hercules dwarf spheroidal (dSph) galaxy, based on 34 individual spectra covering more than two years of observations. This is the first time that orbital elements could be derived for a binary in a dSph.
Koch, Andreas   +3 more
openaire   +2 more sources

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