### Session J3: Compact Inspirals

10:30 AM–12:18 PM, Sunday, April 15, 2007
Hyatt Regency Jacksonville Riverfront Room: Grand 2

Chair: James Ryan, University of New Hampshire

Abstract ID: BAPS.2007.APR.J3.1

### Abstract: J3.00001 : The Double Pulsar

10:30 AM–11:06 AM

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#### Author:

Ingrid Stairs
(University of British Columbia)

The double pulsar PSR J0737-3039A/B is a unique laboratory for precision tests of strong-field gravity, with the pulsars' mass ratio available in addition to five post-Keplerian'' relativistic effects. We have recently shown that the most precisely measured parameters are consistent with the predictions of general relativity to within 0.05\%, the most stringent test to date in the strong-field regime. Furthermore, consideration of the binary system's low space velocity leads to the conclusion that the progenitor of the second-born pulsar was most likely a Helium star of less than 2 solar masses which suffered only a small asymmetric kick during its supernova explosion.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2007.APR.J3.1