Other
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.0403f&link_type=abstract
American Astronomical Society, HEAD meeting #12, #4.03
Other
Scientific paper
We are using Swift to search for X-ray and UV/optical counterparts of unassociated Fermi gamma-ray sources, which are likely to be dominated by new gamma-ray blazars and may also harbor pulsars, as well as new exciting source classes. This Swift program includes pointed observations, with typical durations of 5 ks, of approximately 300 of the Fermi catalog sources with no currently known source association at other wavelengths. For each of the Fermi-LAT localization ellipses, Swift-XRT obtains accurate source positions ( 5 arcsec) of any detected X-ray sources, enabling new blazar identification observations and pulsation searches at both radio and gamma-ray wavelengths. Together with follow-up at other wavelengths, this study aims to reveal the nature of these unassociated and unidentified gamma-ray sources. Initial results from this program will be presented, along with information about the publicly available archive of analyzed data.
Burrows David
Cheung Charlotte
Donato Davide
Falcone Abraham
Ferrara Emilio
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