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Advancing Astrophysics with the Square Kilometre Array
Cold gas accretion in galaxies
Evidence for the accretion of cold gas in galaxies has been rapidly accumulating in the past years. HI observations of galaxies and their environment have brought to light new facts and phenomena…
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The Cold Gaseous Halo of NGC 891
We present H I observations of the edge-on galaxy NGC 891. These are among the deepest ever performed on an external galaxy. They reveal a huge gaseous halo, much more extended than seen previously…
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Anisotropic constitutive equations and experimental tensile behavior of brain tissue
TLDR
A transversely isotropic hyperelastic model recently proposed by Meaney (2003) is adopted and mathematically studied under uniaxial loading conditions to study the effect of the heterogeneity in the tensile/compressive response on the material parameters.
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Further clues to the nature of composite LINER/H II galaxies
We have analyzed new, archival and published high resolution radio and X-ray observations of a sample of composite LINER/H  galaxies known to exhibit AGN-like properties. Five of the 16 AGN…
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The stellar mass-halo mass relation of isolated field dwarfs : a critical test of ΛCDM at the edge of galaxy formation
We fit the rotation curves of isolated dwarf galaxies to directly measure the stellar mass-halo mass relation (M*-M200) over the mass range 5 × 105 ≲ M*/M⊙ ≲ 108. By accounting for cusp-core…
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Deep H I Survey of the Spiral Galaxy NGC 2403
High-sensitivity H I observations of the nearby spiral galaxy NGC 2403 obtained with the VLA are presented and discussed. The properties of the extended, differentially rotating H I layer with its H…
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Unveiling the corona of the Milky Way via ram-pressure stripping of dwarf satellites
The spatial segregation between dwarf spheroidal (dSph) and dwarf irregular galaxies in the Local Group has long been regarded as evidence of an interaction with their host galaxies. In this paper,…
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Understanding the shape and diversity of dwarf galaxy rotation curves in ΛCDM
The shape and wide diversity of dwarf galaxy rotation curves is at apparent odds with dark matter halos in LCDM. We generate mock rotation curve data from dwarf galaxy simulations to show that this…
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The angular momentum-mass relation: a fundamental law from dwarf irregulars to massive spirals
In a $\Lambda$CDM Universe, the specific stellar angular momentum ($j_\ast$) and stellar mass ($M_\ast$) of a galaxy are correlated as a consequence of the scaling existing for dark matter haloes…
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