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1996•The Astrophysical JournalOpen access

Probing the Eclipse Region of a Binary Millisecond Pulsar

B. W. Stappers, M. Bailes, A. G. Lyne, R. N. Manchester, N. D’Amico, Thomas M. Tauris, D. R. Lorimer, S. Johnston, J. S. Sandhu

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Abstract

We report the discovery of a new eclipsing millisecond binary pulsar system, PSR J2051-0827. The pulsar has a period of 4.5 ms and is in a very compact circular orbit with a companion of mass ~0.03 M ☉ . Observations at low frequencies show that the eclipse duration is approximately 10% of the orbital period. However, at high radio frequencies, pulses are often detected throughout the eclipse region, revealing interesting time-variable density structure in the eclipsing plasma.

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What this paper is about

We report the discovery of a new eclipsing millisecond binary pulsar system, PSR J2051-0827. The pulsar has a period of 4.5 ms and is in a very compact circular orbit with a companion of mass ~0.03 M ☉ . Observations at low frequencies show that the eclipse duration is approximately 10% of the orbital period. However, at high radio frequencies, pulses are often detected throughout the eclipse region, revealing interesting time-variable density structure in the eclipsing plasma.

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Available abstract

We report the discovery of a new eclipsing millisecond binary pulsar system, PSR J2051-0827. The pulsar has a period of 4.5 ms and is in a very compact circular orbit with a companion of mass ~0.03 M ☉ . Observations at low frequencies show that the eclipse duration is approximately 10% of the orbital period. However, at high radio frequencies, pulses are often detected throughout the eclipse region, revealing interesting time-variable density structure in the eclipsing plasma.

Key concepts: Physics, Millisecond pulsar, Eclipse, Pulsar, Astrophysics, Binary pulsar, Astronomy, Orbital period

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