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7 papers · 2 filters
Studying the SGR 1806-20/Cl* 1806-20 region using the \emph{Fermi} Large Area Telescope
Paul K. H. Yeung, Albert K. H. Kong, P. H. Thomas Tam +4
The region around SGR 1806-20 and its host stellar cluster Cl* 1806-20 is a potentially important site of particle acceleration. The soft ray repeater and Cl* 1806-20, which al…
Magnetar-Powered Supernovae in Two Dimensions. I. Superluminous Supernovae
Ke-Jung Chen, S. E. Woosley, Tuguldur Sukhbold
Previous studies have shown that the radiation emitted by a rapidly rotating magnetar embedded in a young supernova can greatly amplify its luminosity. These one-dimensional studie…
Resolving the rotation measure of the M87 jet on kilo-parsec scales
Juan-Carlos Algaba, Keiichi Asada, Masanori Nakamura
We investigate the distribution of Faraday rotation measure (RM) in the M87 jet at arc-second scales by using archival polarimetric VLA data at 8, 15, 22 and 43 GHz. We resolve the…
X-ray Observations of Bow Shocks around Runaway O Stars. The case of Oph and BD+433654
J. A. Toalá, L. M. Oskinova, A. González-Galán +3
Non-thermal radiation has been predicted within bow shocks around runaway stars by recent theoretical works. We present X-ray observations towards the runaway stars Oph (Chandr…
Observing two dark accelerators around the Galactic Centre with Fermi Large Area Telescope
C. Y. Hui, P. K. H. Yeung, C. W. Ng +6
We report the results from a detailed ray investigation in the field of two "dark accelerators", HESS J1745-303 and HESS J1741-302, with years of data obtained by the Fer…
Odyssey: A Public GPU-Based Code for General-Relativistic Radiative Transfer in Kerr Spacetime
Hung-Yi Pu, Kiyun Yun, Ziri Younsi +1
General-relativistic radiative transfer (GRRT) calculations coupled with the calculation of geodesics in the Kerr spacetime are an essential tool for determining the images, spectr…