Supernova 1993J: a veiled pulsar in a binary system?
Supernova 1993J: a veiled pulsar in a binary system?
The recent report of a binary companion to the progenitor of Supernova 1993J may provide important clues for identifying the nature of the nascent compact object. Given the estimates of the progenitor mass, the potential power source is probably a pulsar rather than an accreting black hole. If there is …