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11 papers · 2 filters
Predictions for signatures of the quark-nova in superluminous supernovae
Rachid Ouyed, Denis Leahy, Prashanth Jaikumar
[Abridged] Superluminous Supernovae (SN2006gy, SN2005gj, SN2005ap, SN2008fz, SN2003ma) have been a challenge to explain by standard models. We present an alternative scenario invol…
AKARI and BLAST Observations of the Cassiopeia A Supernova Remnant and Surrounding Interstellar Medium
B. Sibthorpe, P. A. R. Ade, J. J. Bock +30
We use new large area far infrared maps ranging from 65 - 500 microns obtained with the AKARI and the Balloon-borne Large Aperture Submillimeter Telescope (BLAST) missions to chara…
Buoyancy Instabilities in Degenerate, Collisional, Magnetized Plasmas
P Chang, E Quataert
In low-collisionality plasmas, anisotropic heat conduction due to a magnetic field leads to buoyancy instabilities for any nonzero temperature gradient. We study analogous instabil…
MAGIC Gamma-ray Telescope Observation of the Perseus Cluster of Galaxies: implications for cosmic rays, dark matter, and NGC1275
The MAGIC Collaboration, J. Aleksić, L. A. Antonelli +152
The Perseus galaxy cluster was observed by the MAGIC Cherenkov telescope for a total effective time of 24.4 hr during 2008 November and December. The resulting upper limits on the…
Signatures of Relativistic Helical Motion in the Rotation Measures of AGN Jets
Avery E Broderick, Abraham Loeb
Polarization has proved an invaluable tool for probing magnetic fields in relativistic jets. Maps of the intrinsic polarization vectors have provided the best evidence to date for…
Fossil Gas and the Electromagnetic Precursor of Supermassive Binary Black Hole Mergers
P. Chang, L. E. Strubbe, K. Menou +1
Using a one-dimensional height integrated model, we calculate the evolution of an unequal mass binary black hole with a coplanar gas disk that contains a gap due to the presence of…