Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3279....1c&link_type=abstract
The Astronomer's Telegram, #3279
Astronomy and Astrophysics
Astronomy
1
X-Ray, Gamma Ray, Pulsar
Scientific paper
Following the detection by the Fermi/LAT (ATel #3276) of an enhanced gamma-ray emission from a source positionally consistent with the Crab Nebula, a ToO Swift/XRT observation was requested. We obtained 1.8 ks XRT observation of the Crab Nebula in windowed timing (WT) mode starting at 2011-04-12 18:39:29 UT. In this observation the peak emission of the Crab Nebula is coincident with a hot column. The XRT software allows a proper correction for the presence of hot columns for point-like sources.
Burrows David N.
Cusumano Giancarlo
Gelbord Jonathan Mark
La Parola Valentina
Romano Pado
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