Multi-epoch leptohadronic modeling of neutrino source candidate blazar PKS 0735+178

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Volume 695 (March 2025)

A&A, 695 (2025) A266

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Table 4.

Best-fit leptohadronic model parameters with neutrino event rate maximization condition.

Parameters	Quiescent	Neutrino arrival	γ flare peak	Post flare
${log}_{10} R_{b}^{'}$ $\log _{10} R^{\prime }_{{\textrm {b}}}$ [cm]	16.17	15.57	15.54	16.3
B′ [G]	0.1	2.28	0.965	0.08
Γ_b	24.0	15.0	17.0	21.0
${log}_{10} {γ^{'}}_{e}^{min}$ $\log _{10}{\gamma ^{\prime }}^{\textrm {min}}_{{\textrm {e}}}$	3.0	3.5	3.00	3.44
${log}_{10} {γ^{'}}_{e}^{max}$ $\log _{10}{\gamma ^{\prime }}^{\textrm {max}}_{{\textrm {e}}}$	4.17	4.3	4.11	4.21
α_e	2.8	2.42	1.26	2.9
${log}_{10} L_{e}^{'}$ $\log _{10}L^{\prime }_{\textrm {e}}$ [erg/s]	42.51	42.65	42.67	42.63
${log}_{10} {γ^{'}}_{p}^{min}$ $\log _{10}{\gamma ^{\prime }}^{\textrm {min}}_{{\textrm {p}}}$	2.0	5.0	3.0	3.6
${log}_{10} {γ^{'}}_{p}^{max}$ $\log _{10}{\gamma ^{\prime }}^{\textrm {max}}_{{\textrm {p}}}$	7.0	6.0	4.2	6.4
α_p	2.0	1.5	1.25	1.0
${log}_{10} L_{p}^{'}$ $\log _{10}L^{\prime }_{\textrm {p}}$ [erg/s]	46.9	46.0	48.33	46.98
χ²/n.d.f.	4.4	13.6	4.3	5.3
N_ν/ time interval	0.04/yr	0.03/15d	0.07/8d	0.004/27d

Notes. Parameter description: $R_{b}^{'}$ $R^{\prime }_{{\textrm {b}}}$ is the radius of the blob, B′ is the magnetic field strength in the emission region, Γ_b is blob Lorentz factor; ${γ^{'}}_{e (p)}^{min}$ ${\gamma ^{\prime }}^{\textrm {min}}_{{\textrm {e(p)}}}$ and ${γ^{'}}_{e (p)}^{max}$ ${\gamma ^{\prime }}^{\textrm {max}}_{{\textrm {e(p)}}}$ are the minimum and maximum Lorentz factor of the electrons (protons) respectively, α_e(p) is the spectral index of electrons (protons), $L_{e (p)}^{'}$ $L^{\prime }_{\textrm {e(p)}}$ is electron (proton) luminosity, χ²/n.d.f. is a value of the reduced χ² function, and N_ν/time interval is a number of expected neutrino events during the selected exposure time (for the flaring state corresponds to the duration of observed state).

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