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Transport of cosmic rays in the nearby starburst galaxy NGC 253
Volker Heesen, Rainer Beck, Marita Krause +1
Radio halos require the coexistence of extra-planar cosmic rays and magnetic fields. Because cosmic rays are injected and accelerated by processes related to star formation in the…
The baryonic Tully-Fisher relation and its implication for dark matter halos
C. Trachternach, W. J. G. de Blok, S. S. McGaugh +2
The baryonic Tully-Fisher relation (BTF) is a fundamental relation between baryonic mass and maximum rotation velocity. It can be used to estimate distances, as well as to constrai…
The age of blue LSB galaxies
E. I. Vorobyov, Yu. Shchekinov, D. Bizyaev +3
(Abridged). Low metallicities, large gas-to-star mass ratios, and blue colors of most low surface brightness (LSB) galaxies imply that these systems may be younger than their high…
Non-circular motions and the cusp-core discrepancy in dwarf galaxies
J. van Eymeren, C. Trachternach, B. S. Koribalski +1
Context. The cusp-core discrepancy is one of the major problems in astrophysics. It results from comparing the observed mass distribution of galaxies with the predictions of Cold D…