A Multi-wavelength Campaign to Study Crab Giant Pulses

Details A Multi-wavelength Campaign to Study Crab Giant Pulses A Multi-wavelength Campaign to Study Crab Giant Pulses

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21923715m&link_type=abstract

American Astronomical Society, AAS Meeting #219, #237.15

Astronomy and Astrophysics

Astronomy

Scientific paper

We are currently undertaking a monitoring campaign with NASA 70-m antennas to capture a large sample of Crab Giant Pulses (CGP) at multiple radio wavelengths. The goal of this campaign is to carry out a correlation study of CGPs at radio frequencies with pulsed emission from the Crab pulsar with Fermi photons at X-ray. After a year of this study, we expect around 200 Fermi photons to coincide with a CGP radio-frequency detection, allowing us to either confirm a predicted correlation in average gamma-ray pulsed flux increase with GP emission, or place a tight upper limit, at least a factor of 10 more constraining than previous work. We will report on the status of this campaign over the next year. We will also provide a brief summary of available receivers and spectrometer back-ends and will discuss our upgrade plans for the L-band system to cover the 1400-1900 MHz band in two polarizations in order to increase our sensitivity to a fainter population of CGPs.

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