Suzaku X-ray Satellite Reveals Pre-Explosion Mass of a White Dwarf Star

A newly published study reveals that supernova remnant 3C 397 is the remains a single white dwarf that accumulated matter from a normal companion star. The white dwarf exploded as its mass neared 1.4 solar masses. Using archival data from the Japan-led Suzaku X-ray satellite, astronomers have determined the pre-explosion mass of a white dwarf […]
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