The specific model is a S-type planetary system, where the planet orbits the the primary star A (0.8 M☉), while the secondary B (0.6 M☉) orbits the primary at a distance of 385 AU. the planet orbits around primary A at a distance of 0.85 AU.
If the secondary B (0.6 M☉) is 60% mass of Sun, we can assume it is a large red dwarf with luminosity about 7.2% of Sun's luminosity. Its absolute magnitude will be about 7.68. The distance is 385 AU, which gives us apparent magnitude of about -11. for comparison, full Moon's magnitude is -12.90, top brightness Venus' magnitude is −4.89 and Sirius (the brightest star) is −1.47.
The nighttime effect on the planet would be like from another Moon, which appears seasonally and does not have phases.
Gravitational pull of the star B at this distance will be extremely weak and detectable only with scientific instruments.