Table 2

Parameter space for the best NIGHTFALL models.

Param. Best 1 Best 2 Min Max

i 90 ° 75 ° 60 ° 90 °
Fil.Fac. 1.03 0.99 0.98 1.04

Mprim 60 M 74 M 20 M 120 M
q 22. 13. 7 25
Msec 3 M 6 M 2 M 15 M

Sep1 2028  R 2195  R 1800 R 2600 R
L12 1570 R 1599 R 1400 R 1800 R
Prim. Mean radius 1180 R 1290 R 1000 R 1500 R
Sec. Mean radius 312  R 401 R 200 R 550 R

Tprim 4717 K 4927 K 4400 K 5200 K
Tsec/Tprim 1.02 1.06 1.01 1.25

Notes. The period P0 = 1333 d is fixed.

(1)

Separation of the components (circular orbit assumed).

(2)

Position of the first Lagrangian point.

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