9 Cas vs Tau Phe

9 Cas stands 550 times further off than Tau Phe, 326,156 light-years against 593. By spectral type the pair divides into an A-type star in Cassiopeia for 9 Cas and a G-type star for Tau Phe. Seen from Earth the ranking is Tau Phe first at +5.71, 9 Cas second at +5.90. Absolute magnitudes of −14.10 for 9 Cas and −0.59 for Tau Phe put a factor near 253,513 between their true outputs.