The orbital period and inclination of the neutron star X-ray transient MAXI J1807+132

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Table 1.

Fixed and best-fit parameters for the R-band light-curve model.

Parameter	Prior	Best-fit value
T₂ (K)	Fixed	3660
H_d (a)	Fixed	0.011
r_in (a)	Fixed	0.02
n	Fixed	1.1
Donor albedo	Fixed	0.5
i (deg)	[30, 90]	72 ± 5
log(L_d) (erg s⁻¹)	[30, 35]	32.1 ± 0.3
q	[0.02, 0.7]	$0 . 24_{- 0.14}^{+ 0.19}$ $0.24^{+0.19}_{-0.14}$
M_NS (M_⊙)	[0, 3]	$1 . 2_{- 0.8}^{+ 1.1}$ $1.2^{+1.1}_{-0.8}$

Notes. Reported values are medians with 68% confidence intervals. See the main text for details.

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