Compact Object
Neutron Star
An ultra-dense stellar corpse, mostly neutrons.
The collapsed core left after a Type II supernova — about 1.4–2 solar masses crammed into a 20 km sphere, with densities exceeding an atomic nucleus.
Overview
The collapsed core left after a Type II supernova — about 1.4–2 solar masses crammed into a 20 km sphere, with densities exceeding an atomic nucleus.
See also
X-ray Binary
A compact object devouring a stellar companion.
Ultra-luminous X-ray Source (ULX)
An X-ray source brighter than any single stellar-mass binary should be.
Pulsar
A spinning neutron star beaming radio pulses.
Magnetar
A neutron star with a colossal magnetic field.
White Dwarf
The cooling Earth-sized ember of a Sun-like star.
Zombie Star
A white dwarf that survived a failed supernova.