Constraining binary neutron star population synthesis models using short gamma-ray burst data

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Volume 710 (June 2026)

A&A, 710 (2026) A388

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Table E.1.

Fiducial BNS population’s median posterior values and 90% credible intervals for the sGRB emission model parameters.

Structured jet		Universal top-hat jet

Parameter	Value	Parameter	Value
k	$5 . 23_{- 2.33}^{+ 4.16}$ $Mathematical equation: $ 5.23_{-2.33}^{+4.16} $$	k	$6 . 74_{- 3.23}^{+ 3.55}$ $Mathematical equation: $ 6.74_{-3.23}^{+3.55} $$
log₁₀(E^*/10⁴⁹ erg)	$- 0 . 75_{- 0.31}^{+ 0.18}$ $Mathematical equation: $ -0.75_{-0.31}^{+0.18} $$	log₁₀(L^*/10⁴⁹ erg s⁻¹)	$3 . 23_{- 0.57}^{+ 0.47}$ $Mathematical equation: $ 3.23_{-0.57}^{+0.47} $$
log₁₀(μ_E/keV)	$3 . 48_{- 0.13}^{+ 0.22}$ $Mathematical equation: $ 3.48_{-0.13}^{+0.22} $$	log₁₀(μ_E/keV)	$3 . 42_{- 0.15}^{+ 0.37}$ $Mathematical equation: $ 3.42_{-0.15}^{+0.37} $$
σ_E	$0 . 39_{- 0.08}^{+ 0.11}$ $Mathematical equation: $ 0.39_{-0.08}^{+0.11} $$	σ_E	$0 . 39_{- 0.08}^{+ 0.15}$ $Mathematical equation: $ 0.39_{-0.08}^{+0.15} $$
log₁₀(μ_t/s)	$- 0 . 50_{- 0.38}^{+ 0.48}$ $Mathematical equation: $ -0.50_{-0.38}^{+0.48} $$	θ_c (deg)	$2 . 74_{- 1.66}^{+ 4.38}$ $Mathematical equation: $ 2.74_{-1.66}^{+4.38} $$
σ_t	$0 . 76_{- 0.18}^{+ 0.17}$ $Mathematical equation: $ 0.76_{-0.18}^{+0.17} $$
f_j	$0 . 78_{- 0.36}^{+ 0.61}$ $Mathematical equation: $ 0.78_{-0.36}^{+0.61} $$	f_j	$2 . 87_{- 2.36}^{+ 4.43}$ $Mathematical equation: $ 2.87_{-2.36}^{+4.43} $$

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