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Black widow formation by pulsar irradiation and sustained magnetic braking
Sivan Ginzburg, Eliot Quataert
Black widows are millisecond pulsars with low-mass companions, a few per cent the mass of the sun, on orbits of several hours. These companions are presumably the remnants of main…
Black widow evolution: magnetic braking by an ablated wind
Sivan Ginzburg, Eliot Quataert
Black widows are close binary systems in which a millisecond pulsar is orbited by a companion a few per cent the mass of the sun. It has been suggested that the pulsar's rotational…
Supernova PTF12glz: a possible shock breakout driven through an aspherical wind
Maayane T. Soumagnac, Eran O. Ofek, Avishay Gal-Yam +21
We present visible-light and ultraviolet (UV) observations of the supernova PTF12glz. The SN was discovered and monitored in near-UV and R bands as part of a joint GALEX and Paloma…
Light Curves from Supernova Shock Breakout through an Extended Wind
Sivan Ginzburg, Shmuel Balberg
Recent observations suggest that some supernovae may be the result of an explosion into an optically thick circumstellar material, the product of pre-explosion mass-loss (wind) by…