Improved timing formula for the PSR B1257+12 planetary system

Details Improved timing formula for the PSR B1257+12 planetary system Improved timing formula for the PSR B1257+12 planetary system

2000-07-22

arxiv.org/abs/astro-ph/0007335v1

Astronomy and Astrophysics

Astrophysics

15 pages, 3 figures, to appear in Astrophysical Journal (v544n1 November 20, 2000)

Scientific paper

10.1086/317233

We present a new analysis of the dynamics of the planetary system around the pulsar B1257+12. A semi-analytical theory of perturbation between terrestrial-mass planets B and C is developed and applied to improve multi-orbit timing formula for this object. We use numerical simulations of the pulse arrival times for PSR B1257+12 to demonstrate that our new timing model can serve as a toll to determine the masses of the two planets.

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