Tuesday, June 25, 2013

Fermi LAT Weekly report N. 263

Covered period: 2013 June 17-23
LAT Mission week: 263.57 - 264.57

  • Blazars PKS 1424-41 and 4C +38.41 (B2 1633+38) are continuing to show a high activity state, 
  • NRAO 190 (PKS 0440-00) is showing high activity since June 21 (ATel #5156) and has reached the highest daily flux on June 22 (flux=1.3E-6). This FSRQ was detected in a similar high gamma-ray state in May 2009 (ATel #2049) and, since then, has remained almost steady showing low gamma-ray activity.
  • Sporadic detection of PKS 1510–08 (with daily flux as high as 1.4E-6 on June 18).
  • PKS 1424-418 and 4C +38.41 (B2 1633+38) persisting bright with daily flux around 1E-6 almost every day of the week.
  • Blazar CTA 102 still present some days of the week with daily flux level ranging between 0.7 and 1.8E-6.
  • Further bright blazars detected some days of the week with daily flux level between about 0.7E-6 and 1E-6 are PKS 0454–234 and PKS 0426-380.
  • Other blazars detected, also sporadically, during the week, with daily flux below 1E-6 level are: Mkn 421, PKS 1124–186, PKS 0716+714,  PKS 2155-304, S4 1030+61.
  • NGC 1275 showing sporadic activity.
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:
- S. Buson (sarabuson[at]pd.infn.it) for generic information related to this week
- Contact persons on this page for individual sources cited above.

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