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Planets Beyond the Solar System and the Next Generation of Space Missions

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Further Observations of the Planets Pulsar

A. Wolszczan
The Pennsylvania State University, Department of Astronomy & Astrophysics,
525 Davey Laboratory, University Park, PA

Recent results of timing observations of the planets pulsar, PSR B1257+12, are discussed. The current timing model includes significant contributions from the second and the third-order period derivatives. If these contributions are related to dynamical effects induced by a fourth distant planet, it could be a Saturn--mass object in a ~170 year orbit around the pulsar.

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Dave Soderblom, soderblom@stsci.edu

Last update: 10/22/96 11:00:29

Planets Beyond the Solar System and the Next Generation of Space Missions

Further Observations of the Planets Pulsar

A. WolszczanThe Pennsylvania State University, Department of Astronomy & Astrophysics,525 Davey Laboratory, University Park, PA

A. Wolszczan
The Pennsylvania State University, Department of Astronomy & Astrophysics,
525 Davey Laboratory, University Park, PA