AGILE detection of Cygnus X-3 γ-ray active states during the period mid-2009/mid-2010

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Table 6

Main 1-day and 2-days γ-ray flares consistent with the Cyg X-3 position detected in 2009 Jun.–Jul. and from 2009 Dec. to 2010 Jun. for E > 100 MeV.

γ-ray flaring date	(l, b) positioning	γ-ray flux	FDR-α		Pre-trial σ	Post-trial^cσ	Swift /BAT flux
(MJD)	(degrees)	(10^-8 ph. cm^-2 s^-1)			for a single	for a single	(ctscm^-2s^-1)
					detection	detection

54 997.50–54 998.50	(80.50, 0.53) ± 0.90 ± 0.1	180 ± 64	0.005	3.9	3.75	2.2	0.010
55 001.00–55 002.00	(79.44, 0.93) ± 0.65 ± 0.1	168 ± 67	10^-5	3.5	3.35	1.57	0.015
55 003.00–55 004.00	(80.35, 1.15) ± 0.64 ± 0.1	157 ± 56	10^-5	3.8	3.71	2.11	0.007
55 007.00–55 008.00	(79.30, 0.81) ± 0.57 ± 0.1	176 ± 64	10^-5	3.7	3.51	1.83	0.005
55 025.00–55 026.00	(79.75, 1.15) ± 0.58 ± 0.1	167 ± 70	0.006	3.3	3.20	1.29	0.008
55 034.00–55 035.00	(80.12, 0.96) ± 1.00 ± 0.1	168 ± 67	0.005	3.4	3.27	1.43	0.013
55 324.00–55 326.00^a	(79.12, 0.91) ± 0.83 ± 0.1	170 ± 70	–	3.3	3.20	1.29	0.028 to 0.011
55 343.00–55 345.00^b	(79.89, 0.71) ± 0.86 ± 0.1	290 ± 103	–	3.7	3.51	1.83	0.020 to 0.018

						repeated flare
						occurrence
						post-trial σ

Sum of above detections	(79.69, 0.72) ± 0.30 ± 0.1	160 ± 40		6.2		7.2

Notes. The last row reports the sum of all the flares with the repeated flare occurrence post trial significance.

^(a)

ATel 2609.

^(b)

ATel 2645.

^(c)

We calculated the post-trial significance for 150 trials, which is equivalent of about 1 year of total exposure time.

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