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Table 2

Best-fit parameters for CSS21055 with 1-σ correlated errors.

Parameter Best fit 1-σ error

(a) Fitted parameters for the geometrical model:
Inclination i (°) 85.9 +0.9 − 0.9
a/R1 47.0 − 4.5 +4.5
R2/R1 5.3 − 1.0 +1.0

(b) Derived system parameters:
a (1010 cm) 4.70 − 0.15 + 0.15
d (pc) 192 + 9 − 9

(c) Derived parameters of the white dwarf:
T1 (K) 13 000 − 700 + 700
M1 (M) 0.520 − 0.057 + 0.057
R1 (108 cm) 10.00 + 0.69 − 0.58
log g 7.84 − 0.10 + 0.11
Eg − i (mag) 0.06 − 0.03 +0.03
Mg (mag) 11.25 − 0.04 + 0.05

(d) Derived parameters of the secondary (for M2 = 0.06 M):
R2 (R) 0.076 − 0.010 + 0.009
Nightside I (mag) >22.87
Nightside MI (mag) >16.5 − 0.1 + 0.1

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