Improved Timing Formula for the PSR B1257+12 Planetary System | Zendy

M. Konacki | Zendy; Andrzej J. Maciejewski | Zendy; Alex Wolszczan | Zendy

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Improved Timing Formula for the PSR B1257+12 Planetary System

Author(s) -

M. Konacki,

Andrzej J. Maciejewski,

Alex Wolszczan

Publication year - 2000

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/317233

Subject(s) - pulsar , planet , physics , planetary system , perturbation (astronomy) , planetary mass , astronomy , perturbation theory (quantum mechanics) , astrophysics , astrobiology , particle physics

We present a new analysis of the dynamics of the planetary system around thepulsar B1257+12. A semi-analytical theory of perturbation betweenterrestrial-mass planets B and C is developed and applied to improvemulti-orbit timing formula for this object. We use numerical simulations of thepulse arrival times for PSR B1257+12 to demonstrate that our new timing modelcan serve as a toll to determine the masses of the two planets.Comment: 15 pages, 3 figures, to appear in Astrophysical Journal (v544n1 November 20, 2000

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