Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010pasj...62.1341e&link_type=abstract
Publications of the Astronomical Society of Japan, Vol.62, No.5, pp.1341-1349
Astronomy and Astrophysics
Astronomy
Acceleration Of Particles, Catalogs, Sun: Flares, Sun: X-Rays, Gamma Rays
Scientific paper
We developed a catalog of solar flares in the hard X-ray band observed with the Wide-band All-sky Monitor (WAM) onboard the Suzaku satellite between 2005 July and 2009 November. During this period, 105 solar flares (GOES class X: 13, M: 29, C: 47, B: 16) were detected with WAM, including 10% of GOES-class C events reported during the same period. The observed photon flux ranged between 9 × 10-5 and 9 × 10-1 photons s-1 cm-2 keV-2 at 100 keV. The averaged hard X-ray spectrum for each solar flare was evaluated for 70 of the 105 events, and 43 of them were well fitted with a single power-law model with a photon index ranging between -7 and -3. We observed a weak trend where events with longer durations exhibited harder spectral slopes.
Endo Akira
Minoshima Takashi
Morigami Kouichi
Sato Yumi
Shimamori Atsushi
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