MAGIC observations and multifrequency properties of the flat spectrum radio quasar 3C 279 in 2011

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Table 4

Highest energy photons associated with 3C 279 in Fermi-LAT observations during each period of the MAGIC observations in 2011.

		Estimated	Incident	Converted	Reconstructed	Probability of	Survived
	Detection time of the event	energy	angle	layer	arrival direction	association	tighter event
		[GeV]			from 3C 279^a	with 3C 279	selection^b

Period A	May 10 (MJD 55 691.2821)	19.8	51.4°	back	0.11°	98.9%	yes
Period B	June 05 (MJD 55 717.0275)	13.1	45.2°	back	0.17°	98.4%	yes

Notes.

^(a)

68% containment radius of the LAT point-spread function is 0.304° in the instrument response functions of P7SOURCE_V6 for the back-thick layers converted events at 33.5 GeV with an incident angle of 47.0°.

^(b)

So-called ultraclean:evclass=4 data selection.

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