The Crab Pulsar Observed by RXTE: Monitoring the X-ray to Radio Delay for 16 Years

Details The Crab Pulsar Observed by RXTE: Monitoring the X-ray to Radio Delay for 16 Years The Crab Pulsar Observed by RXTE: Monitoring the X-ray to Radio Delay for 16 Years

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21943612r&link_type=abstract

American Astronomical Society, AAS Meeting #219, #436.12

Astronomy and Astrophysics

Astronomy

Scientific paper

The primary pulse of the Crab pulsar at X-ray energies precedes its radio counterpart by about 0.01 period in phase, or approximately 330 microseconds.
In 2004 we published the results of 8 years of monitoring the pulsar by RXTE (Rots, Jahoda, & Lyne 2004, ApJ 605, L129). At the time we could not establish unambiguously whether the delay is in phase or due to a difference in pathlength.
At the end of 2011 we will have twice the time baseline that we had in 2004 and we will present the same analysis, but now over a period of 16 years - which will represent the full mission and the best that will be available from RXTE. Hopefully, the results will allow us to answer the question definitively.
This work is supported by NASA contract NAS8-03060 (CXC).

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