CALTECH
AY 20 -
Endpoints of Stellar Evolution
School name
California Institute of Technology
Pages 25
Unformatted text preview:
View Full Document
Endpoints of Stellar EvolutionEndpoints of Stellar EvolutionAy20 - Lecture 10Dr. Derek Fox (Caltech)[email protected] BChandra X-ray ImageASTR 3730: Fall 2003Binary pulsarIn 1974, Russell Hulse and Joe Taylor discovered a pulsar in a close binary system. From analysis of the arrival time of thepulses, they determined that the orbit was eccentric (e = 0.62),with a period of 7.8 hours.ASTR 3730: Fall 2003Observed change in time of closest approachmatches the GeneralRelativity prediction.Orbit shrinks by ~3 mmper orbit of the binarysystem.Ben Bromley (Harvard
View Full Document
Unlocking...