A Comprehensive Study of Relativistic Gravity using PSR B1534+12

Emmanuel Fonseca
Event Date and Time: 
Fri, 2013-07-26 16:00 - 17:00
Henn 318
Local Contact: 
hal clark
Intended Audience: 

Pulsars have been repeatedly shown to be versatile tools for understanding problems in fundamental physics. In particular, pulsars in relativistic binary systems have provided the most rigorous tests of gravitational theory in strong fields to date. High-precision timing of such an object produces a timing model that describes 'post-Keplerian' effects that characterize relativistic corrections to the standard Keplerian orbit, as well as its nominal spin, astrometric and environmental properties. I will present a brief overview of pulsars and modern analysis techniques, types of gravitational tests and how they are extracted from pulsar data, and resent results using PSR B1534+12, a 37.9-ms pulsar in an eccentric, 10.1-hr orbit with another neutron star. Along with these tests, I will present additional results derived from the timing model that yield significant implications for pulsar astrophysics.

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