Gamma-ray absorption and the origin of the gamma-ray flare in Cygnus X-1

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Table 1:

Model parameters.
Parameter [units]		values
$R_{\star}$	Stellar radius [cm]	1.5 $\times10^{12}$
$T_{\star}$	Stellar temperature [K]	$3\times10^{4}$
$r_{\rm orb}$	Orbital radius [cm]	$3.4\times10^{12}$
$\theta$	Viewing angle	${\pi}/6$
$M_{\rm BH}$	BH mass [ $M_{\odot}$ ]	20
h₀	Jet initial point [R $_{\rm Sch}$ ]	50
$h_{\rm int}$	Height above compact object [cm]	10¹³
$\varrho$	Equipartition parameter	0.1
$\Gamma_{\rm jet}$	Jet bulk Lorentz factor	1.4
B	Magnetic field [G]	0.9
$\eta$	Acceleration efficiency	0.1
$L_{\rm jet}$	Jet kinetic power [erg s^-1]	10³⁷
a	Hadron-to-lepton energy ratio	100
$q_{\rm rel}$	Jet content of relativistic particles	5%
$R_{\rm jet}$	Jet radius [ $h_{\rm int}$ ]	0.1
e	Thickness of the ``one zone'' [ $h_{\rm int}$ ]	0.05
$\zeta$	Particle injection index	2.8
$\dot{M}_{\star}$	Stellar mass loss rate [ $M_{\odot}$ yr^-1]	$3\times 10^{-6}$
$v_{\infty}$	Terminal wind velocity [cm s^-1]	$2\times10^{8}$

Notes. Those related to the absorption are listed first.

Source LaTeX | All tables | In the text

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