Impact of model parameter degeneracy on leptonic radiation models - The case of blazar multiwavelength spectra

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Table 6

Parameters resulting from different parameter search methods for the data of Mrk 501.

Method	lg(R′_blob) [cm]	B′ [G]	lg(γ′_min)	lg(γ′_max)	lg(L′_e [erg s⁻¹])	Γ_b	index α	χ²/n.d.f.
Grid scan	15.522±0.007	0.32±0.03	3.22±0.34	5.256±0.0004	40.63±0.02	12.5±0.02	1.97±0.05	29.7
GA	${15.61}_{- 0.08}^{+ 0.07}$ $15.61^{+0.07}_{-0.08}$	0.22±0.03	${3.14}_{- 0.15}^{+ 0.11}$ $3.14^{+0.11}_{-0.15}$	${5.38}_{- 0.05}^{+ 0.04}$ $5.38^{+0.04}_{-0.05}$	${40.65}_{- 0.12}^{+ 0.10}$ $40.65^{+0.10}_{-0.12}$	15.1±0.56	2.26±0.06	28.9
CMA-ES	${16.08}_{- 0.04}^{+ 0.03}$ $16.08^{+0.03}_{-0.04}$	0.15± 0.01	${2.79}_{- 0.22}^{+ 0.15}$ $2.79^{+0.15}_{-0.22}$	5.51± 0.02	41.13± 0.04	10.2± 0.3	${2.04}_{- 0.12}^{+ 0.03}$ $2.04^{+0.03}_{-0.12}$	28.9
Minuit	15.485±0.005	0.286±0.004	2.378±0.005	5.231±0.005	40.699±0.003	13.44±0.05	1.959±0.002	33.9
MCMC	15.63±0.05	${0.22}_{- 0.02}^{+ 0.03}$ $0.22^{+0.03}_{-0.02}$	${1.97}_{- 0.13}^{+ 0.21}$ $1.97^{+0.21}_{-0.13}$	5.33±0.03	${40.91}_{0.06}^{+ 0.05}$ $40.91^{+0.05}_{0.06}$	${13.21}_{- 0.14}^{+ 0.20}$ $13.21^{+0.20}_{-0.14}$	${2.05}_{- 0.02}^{+ 0.03}$ $2.05^{+0.03}_{-0.02}$	27.7

Notes. Explanation for parameter notation is given in Table 1.

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