Monday, May 27, 2013

Fermi LAT weekly report N. 258

Covered period: 2013 May 13 - May 19
LAT Mission week: 258.57 - 259.57

  • The LAT detected a huge solar activity in coincidence with the X3.2 Solar Flare of May 13th and with the X1.2 flare of May 15th
  • The LAT detected also an activity toward the location of GRB130518, see GCN 14675
  • PKS 1424-41 is bright and active with daily flux of 1.8E-6 on May 13th and 2.1E-6 on May 16th.
  • PKS 0507+17 is active during the week and peaking at 2E-6 on May 19.
  • Blazars 4C +38.41 (B2 1633+382) detected in some days of the week in bright state (daily flux level above or around 1e-6).
  • Galactic plane TeV source VER J0521+211 flaring on May 15th at 1.8E-6.
  • Some activity detected by a source positionally coincident with TXS 0500+640 (GB6 J0505+6406), detected on May 16th and 17th between 0.3 and 0.5E-6
  • Detected also NGC 1275 on May 17th.
  • Other blazars detected, also sporadically, during the week, with daily flux below 1E-6 level are: Mkn 421, PKS 0426-380, S5 0716+71, CRATES J1435+2021, OX 169, PMN J2345-1555, B3 1343+451, 3C 454.3 and TXS 1700+685 (RX J1700.1+6830).

Fluxes are in the unit of photons/cm^2/s above 100 MeV. All uncertainties are statistical only.

Note. All the flux reported above are by the ASP analysis and should be considered preliminary and should not be used for publication, however they are indicative of the flux range and the current status of a source. Source association is done on the basis of source location, considering spatial coincidence only, and it is not indicative of an identification.
- Please acknowledge the LAT team if you use information from this report.

For questions and comments please contact:
- D. Bastieri (denis.bastieri[at] for generic information related to this week
- Contact persons on this page for individual sources cited above.

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