Hunting for New Gamma-ray Binaries Using the Fermi LAT

Details Hunting for New Gamma-ray Binaries Using the Fermi LAT Hunting for New Gamma-ray Binaries Using the Fermi LAT

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.4239c&link_type=abstract

American Astronomical Society, HEAD meeting #11, #42.39; Bulletin of the American Astronomical Society, Vol. 41, p.731

Astronomy and Astrophysics

Astrophysics

Scientific paper

There are only a few sources that are definitely known to be gamma-ray binaries. We are developing novel techniques to extract high signal-to-noise light curves of all cataloged Fermi sources and to search for periodic variability using appropriately weighted power spectra. The detection of periodic variability would be strong evidence for the discovery of a new gamma-ray binary. The LAT's sensitivity provides the potential to open up completely new discovery space for additional binary systems, potentially involving novel astrophysics. We present here demonstrations of the sensitivity gains obtained through the use of these techniques and initial results of searches for periodic modulation from the first Fermi LAT catalog.

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