What is Dark Energy? Josh Frieman Fermilab and the University of Chicago Abell 0957 Cluster 550 million light years away Abell 2255 Cluster 1 billion light years SDSS cluster…

White Dwarf Stars Low mass stars are unable to reach high enough temperatures to ignite elements heavier than carbon in their core become white dwarfs. A white dwarf is the…

Magnetars: SGRs and AXPs Magnetars on the Galaxy 5 SGRs, >10 AXPs, plus candidates, plus radio pulsars with high magnetic fields… Young objects (about 104 year). At…

The Radio Afterglow produced by the Giant Flare from the Magnetar SGR 1806-20 Greg Taylor (NRAO/KIPAC) with: J. Granot, B. M. Gaensler, C. Kouveliotou, J. D. Gelfand, D.…

Review Neutron Stars(NSs) and SNR (Crab Nebula…) and then on to BHs… SN-II produce a NS for massive stars in approx. range 8-15Msun; and a black hole for progenitors…

The Radio Afterglow produced by the Giant Flare from the Magnetar SGR 1806-20 Greg Taylor (NRAO/KIPAC) with: J. Granot, B. M. Gaensler, C. Kouveliotou, J. D. Gelfand, D.…

Chapter 10: The Death of Stars (part b) The evolution of low-mass vs. that of high-mass stars. Planetary nebulae and the formation of white dwarf stars. Supernova explosions:…

Magnetars: SGRs and AXPs Magnetars in the Galaxy ~11 SGRs, ~12 AXPs, plus candidates, plus radio pulsars with high magnetic fields (about them see arXiv: 1010.4592)… Young…

Lecture 4. Magnetars: SGRs and AXPs Sergei Popov (SAI MSU) Phenomenology of NSs. Trento. August 2007 Magnetars dE/dt > dErot/dt By definition: The energy of the magnetic…

GRB prompt emission GRB Theory and observations Useful reviews: Waxman astro-ph/0103186 Ghisellini astro-ph/0111584 Piran astro-ph/0405503 Meszaros astro-ph/0605208 Gehrels…