The double star system PSR B1259-63/LS 2883 - or B1259 for short - contains a star about 30 times as massive as the Sun and a pulsar, an ultra-dense neutron star left behind when an even more massive star underwent a supernova explosionWelcome!

My name is Jeremy Hare and I am currently a NASA Postdoctoral Fellow at Goddard Space Flight Center.