Multi-wavelength Observations of PSR J2222-0137

Details Multi-wavelength Observations of PSR J2222-0137 Multi-wavelength Observations of PSR J2222-0137

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21921705b&link_type=abstract

American Astronomical Society, AAS Meeting #219, #217.05

Astronomy and Astrophysics

Astronomy

Scientific paper

PSR J2222-0137 is a 32.8 ms, partially recycled binary pulsar that was discovered in the GBT 350-MHz drift-scan pulsar survey. With an orbital period of 2.4 days and a projected semi-major axis of 10.8 lt-s,
the companion is at least 1.1 solar masses for a canonical mass pulsar. A distance of 312 pc can be estimated from the dispersion measure of 3.27 pc cm-3 and makes this system the second closest pulsar binary system. The close proximity of PSR J2222-0137 has allowed us to conduct observations in the optical to search for its companion and X-ray to look for thermal emission while using VLBA to measure a parallax to this source. The precision timing obtained from PSR J2222-0137 has provide a mass measurement for the companion via the Shapiro delay and in turn for the pulsar also. Here we present the results of these observations and describe the properties of this system.

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