Carl, I've just got a bit more reading regarding those pulsars that I'm trying to muddle through. But basically, I was surprised to hear that there are pulsars in 47Tuc.
I thought that globular clusters were only made of white dwarfs.
So for a pulsar to be found there, doesn't there have to be a super giant star which goes supernova for it to go on to be a pulsar. Or can this happen with a binary system of low mass stars where one feeds off the other and Kapow supernova 1a. But supernova 1a don't leave behind pulsars do they?
In short, how do those pulsars get there? Some 22 alone in 47 Tuc it seems.