Very-high-energy gamma-ray intranight variability from BL Lacertae during the extreme flaring state of 2022

Open Access

Table 3.

SED modelling parameters for the two-zone SSC model describing the broadband emission during each BB.

(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	(11)	(12)	(13)	(14)
Epoch	Component	γ_min	γ_b	γ_max	n₁	n₂	B	K	R	Γ	δ	U′_B/U′_e	t_SSC
		(×10³)	(×10⁴)	(×10⁵)			[G]	[×10⁻² cm⁻³]	[×10¹⁵ cm]				[min]
BB1	Blob	3.00	0.90	0.17	2.0	2.8	0.50	3.00	0.3	33	33	0.31 × 10⁻²	35.0
BB1	Core	0.27	0.20	0.05	2.2	3.4	0.20	0.01	100	20	20	1.64	–

BB2	Blob	2.50	1.00	1.50	2.8	3.8	0.50	3.00	0.3	33	33	0.13 × 10⁻²	15.3
BB2	Core	0.30	0.23	0.05	1.9	2.9	0.20	0.01	100	20	20	1.54	–

BB3	Blob	3.00	0.95	0.80	2.9	3.7	0.50	3.00	0.3	33	33	0.17 × 10⁻²	19.2
BB3	Core	0.25	0.23	0.05	2.0	2.9	0.20	0.01	100	20	20	0.75	–

BB4	Blob	2.50	0.95	1.80	2.6	3.5	0.50	5.00	0.3	33	33	0.11 × 10⁻²	11.1
BB4	Core	0.30	0.19	0.07	2.0	2.8	0.20	0.01	100	20	20	2.00	–

BB5	Blob	3.20	1.00	0.35	2.8	3.8	0.50	3.00	0.3	33	33	0.17 × 10⁻²	17.9
BB5	Core	0.25	0.20	0.07	2.4	3.4	0.20	0.01	100	20	20	0.79	–

BB6	Blob	2.00	0.95	1.10	2.7	3.4	0.50	3.00	0.3	33	33	0.13 × 10⁻²	16.2
BB6	Core	0.50	0.25	0.07	2.4	3.7	0.20	0.01	100	20	20	0.88	–

BB7	Blob	2.70	1.05	1.00	2.7	3.6	0.50	3.00	0.3	33	33	0.13 × 10⁻²	12.3
BB7	Core	0.30	0.23	0.07	2.2	3.3	0.20	0.01	100	20	20	1.19	–

BB8	Blob	4.00	1.00	3.80	2.1	3.8	0.50	7.50	0.3	33	33	0.11 × 10⁻²	8.8
BB8	Core	0.30	0.18	0.07	1.9	3.0	0.20	0.01	100	20	20	2.56	–

BB9	Blob	3.60	1.00	0.80	2.7	3.6	0.50	3.00	0.3	33	33	0.20 × 10⁻²	17.5
BB9	Core	0.15	0.19	0.06	2.3	2.7	0.20	0.01	100	20	20	0.85	–

BB10	Blob	2.00	1.05	1.00	2.6	3.6	0.50	3.00	0.3	33	33	0.11 × 10⁻²	12.1
BB10	Core	0.28	0.20	0.06	2.3	3.0	0.20	0.01	100	20	20	1.45	–

Notes. Columns: (1) Observation campaign or state. (2) Emission region. (3), (4), and (5) Minimum, break, and maximum electron Lorentz factors. (6) and (7) Electron distribution slopes below and above γ_b. (8) Magnetic field. (9) Electron density. (10) Emission-region size. (11) Bulk Lorentz factor. (12) Doppler factor. (13) Ratio between the magnetic-field energy density and the relativistic-electron energy density. (14) Blob SSC cooling time at γ_b.

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