Multiwavelength study of the TeV blazar Mrk 421 during a giant flare

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Table 4

SED parameters obtained by fitting to data using t_var ~ 1 day.

State	Magnetic	Doppler	log E_min^a	log E_max^b	E_break^c	p1	p2	Sy_pk^d	IC_pk^e	U_e^f	η^g
–	field	factor	[eV]	[eV]	[eV]		–	[10¹⁷]	[10²⁵]	[10^-3]
–	(G)	(δ)	–	–	–	–		(Hz)	(Hz)	(erg/cc)	–

State1	0.026	19.5	9.6	12.1	11.3	2.4	4.3	1.93	3.58	0.9	33.46
State2	0.029	22.0	8.0	12.1	11.40	2.2	3.9	5.74	7.02	1.4	41.83
State3	0.029	21.0	9.4	12.1	11.45	2.2	4.1	6.13	11.53	1.0	29.88
State4	0.028	21.0	9.1	12.1	11.45	2.3	4.1	5.53	6.76	8.5	27.24

^(a)

E_min: minimum value of energy of the electrons present in the emission zone.

^(b)

E_max: maximum value of energy of the electron present in the emission zone.

^(c)

E_break: Break in the electron injection spectrum.

^(d)

Sy_pk: peak value of synchrotron bump.

^(e)

IC_pk: peak value of IC bump.

^(f)

U_e: electron energy density.

^(g)

η: equipartition coefficient.

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