Dark matter and dwarf galaxies
Dark matter heats up in dwarf galaxies
... central dark matter densities of dwarfs and their star formation histories 3 ...in dwarf galaxies with a wide range of star formation histories ...gas-poor dwarf spheroidal ...
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Searching the Parameters of Dark Matter Halos on the Basis of Dwarf Galaxies’ Dynamics
... of dwarf galaxies. Note that influence of dark energy and dark matter on galaxies’ dynamics successfully described even in the framework of Newtonian approach [2] [8] ...the ...
7
No cores in dark matter-dominated dwarf galaxies with bursty star formation histories
... that dwarf galaxies that exhibit the highest star formation efficiency have the greatest propensity to form ...warm dark matter (WDM, Bond & Szalay 1983; Col´ın et ...
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Dwarf galaxies in CDM, WDM, and SIDM: disentangling baryons and dark matter physics
... field dwarf galax- ies, all with masses of M halo ≈ 10 10 M at z = 0, across a range of dark matter ...self-interacting dark matter (SIDM) and /or warm dark matter (WDM) ...
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Deep＋ wide lensing surveys can measure the dark matter halos of dwarf galaxies
... Dwarf galaxies are a unique probe of the nature of dark matter and of the interplay between dark matter and baryonic ...and dwarf irregu- lars) favor flatter dark ...
7
The cosmic web of dwarf galaxies in a warm versus cold dark matter universe: mock galaxies in CDM and WDM simulations
... warm dark matter halos are suppressed nearly equally in all ...the dark matter particle in the cosmic web of ...between dwarf galaxy luminosity and halo properties is large, low mass ...
6
Indirect dark matter detection for flattened dwarf galaxies
... the dark matter, and the ratio of the scale lengths of the light to the dark ...any dark matter density, but in the two following subsections, we provide analytic shortcuts to evaluate ...
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No cores in dark matter-dominated dwarf galaxies with bursty star formation histories.
... for galaxies in the Lo- cal Group. DM-dominated dwarf galaxies, in particular, are ideal for investigating the interplay between the gravitational collapse of DM and the physics of galaxy ...of ...
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The same with less: the cosmic web of warm versus cold dark matter dwarf galaxies
... of galaxies to distinguish WDM and CDM, we discuss in Section 5 that some differences arise in small void statistics of cold and warm cosmology, if there is large scatter between galaxy luminosity and halo ...the ...
11
The same with less: the cosmic web of warm versus cold dark matter dwarf galaxies
... of galaxies to distinguish WDM and CDM, we discuss in Section 5 that some differences arise in small void statistics of cold and warm cosmology, if there is large scatter between galaxy luminosity and halo ...the ...
11
Deep+Wide Lensing Surveys will Provide Exquisite Measurements of the Dark Matter Halos of Dwarf Galaxies
... of dwarf galax- ies only yield a measurement of the total mass on scales below ∼ 10-20 ...the dark matter pro- file ...poor dwarf spheroidals and dwarf ...inner dark ...
6
A Gaia DR2 search for dwarf galaxies towards Fermi-LAT sources: implications for annihilating dark matter
... find dwarf galaxies in eight Fermi-LAT extended, unassociated, source fields using Gaia ...a dwarf galaxy in any of these fields despite Gaia’s excellent astrometric ...
8
Structure and evolution of simulated dwarf galaxies and Milky Way satellites in Cold and Warm dark matter models
... smallest galaxies in a ΛCDM universe and predicted the scaling relations for eld galaxies as well as the deviation from those relations due to interaction with a Milky Way like host galaxy on their way of ...
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Bars in dark-matter-dominated dwarf galaxy discs.
... tive, should be treated with caution. 4 C O N C L U S I O N S CDM haloes are triaxial in nature (e.g. Frenk et al. 1988 ). Their asphericity increases towards their centre (Hayashi et al. 2007 ), im- plying that the ...
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Dark Matter and the Assembly History of Massive Galaxies and Clusters
... either dark or unlike their simulated counterparts, and no satisfactory explanation has ...from dwarf galaxies through galaxy clusters, instead have a shallower inner density slope, perhaps even a ...
252
Constraining the nature of dark matter in galaxies with multi-tracer dynamical models
... host galaxies and gas fraction may suggest that interaction between the dwarf galaxies and the host galaxies strip away the gas from infalling dIrrs and turn them into gas-poor ...in ...
255
Searching for decaying dark matter in deep XMM–Newton observation of the Draco dwarf spheroidal
... A clear detection of the ∼3.5 keV line in Draco would provide very convincing evidence for the decaying DM interpretation, as there is no known physical process that would produce the same signal over such a broad range ...
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The Structure of Dwarf Galaxies in Extreme Environments
... separate galaxies ( Hubble , 1929b ). Dwarf galaxies are by far the most abundant in the ...all galaxies in the visible universe are dwarfs ( Bel et ...larger galaxies and as isolated ...
169
Properties of Local Group galaxies in hydrodynamical simulations of sterile neutrino dark matter cosmologies
... the dark matter is made of sterile neutrinos rather than ...satellite galaxies for which the underlying dark matter consists of 7 keV sterile neu- trinos rather than CDM, and determine ...
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Properties of local group galaxies in hydrodynamical simulations of sterile neutrino dark matter cosmologies
... the dark matter is made of sterile neutrinos rather than ...satellite galaxies for which the underlying dark matter consists of 7 keV sterile neu- trinos rather than CDM, and determine ...
14