939 citations
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95 papers · 1 filter
Carbon and Nitrogen Abundances in Early-type Galaxies
Elisa Toloba, Patricia Sanchez-Blazquez, Javier Gorgas +1
For the first time, we undertake a systematic examination of the nitrogen abundances for a sample of 35 early-type galaxies spanning a range of masses and local environment. The ni…
Dynamics of substructures in warm dark-matter cosmologies
Bastian Arnold, Alexander Knebe, Chris Power +1
We performed cosmological simulations based upon both a cold dark matter (CDM) and a warm dark matter (WDM) model. The focus of our investigations lies with selected spatial and ki…
Particle trajectories and acceleration during 3D fan reconnection
S. Dalla, P. K. Browning
Context. The primary energy release in solar flares is almost certainly due to magnetic reconnection, making this a strong candidate as a mechanism for particle acceleration. While…
SDSS Observations of the Milky Way vs. N-body Models: A Comparison of Stellar Distributions in the Position-Velocity-Metallicity Space
S. Loebman, R. Roskar, Z. Ivezic
The data obtained by the recent modern sky surveys enable detailed studies of the stellar distribution in the multi-dimensional space spanned by spatial coordinates, velocity and m…
High-resolution X-ray spectroscopy of the evolving shock in the 2006 outburst of RS Ophiuchi
J. -U. Ness, J. J. Drake, S. Starrfield +9
The evolution of the 2006 outburst of the recurrent nova RS Ophiuchi was followed with 12 X-ray grating observations with Chandra and XMM-Newton. We present detailed spectral analy…
Swift Observations of Shock Evolution in RS Ophiuchi
M. F. Bode, J. P. Osborne, K. L. Page +11
Our \textit{Swift} observations of RS Oph form an unprecedented X-ray dataset to undertake investigations of both the central source and the interaction of the outburst ejecta with…