Contributors Dylan Beck WORKSHEET 1 NAME LUMINOSITY CLASS CURRENT MASS STELLAR REMNANT Main Sequence 2 135 White dwarf Alnilam Supergiant 64 5 Black hole Arcturus Giant 1 08 White dwarf Spica Giant 10 3 Neutron star Naos Giant 22 5 Neutron star 10 Lacertae Supergiant 26 9 Black hole PV Telescopii Supergiant 0 94 White dwarf The Sun Main sequence 1 White dwarf Antares Supergiant 12 4 Neutron star Main sequence 3 5 White dwarf Supergiant 55 Black hole Vega Zubeneschamali AG Carinae STAR NAME BLACK HOLE MASS BLACK HOLE RS IN MILES Alnilam 12 9 38 04 10 Lacertae 5 38 15 87 AG Carinae 11 32 44 WORKSHEET 2 TABLE 1 Black Hole Name Black Hole Mass Schwarzschild Radius M km Cygnus X 1 15 0 44 235 M33 X 7 15 7 46 2993 XTE J1650 500 3 8 11 2062 V404 Cygni 12 5 36 8625 V1487 Aquilae 10 0 29049 TABLE 2 Black Hole Name Host Galaxy Black Hole Mass Schwarzschild Radius M AU 6 Sagittarius A Milky Way 4 2 10 P3 Andromeda 1 4 108 4 1x10 8 km 2 8 AU 3C 273 Quasar 3C 273 9 6 108 2 8x10 9 km 18 9 AU Phoenix SMBH Phoenix Cluster 2 0 1010 5 9x10 10 km 3 9x10 2 AU 1 2x10 7 km 8 3x10 2 AU WORKSHEET 3 1 Mass of a black hole with a Schwarzschild radius of 1 AU 0 33 2 Time passage at 2 AU from the singularity 365 days 3 Time passage at 400 km from the event horizon 0 24 days 4 Length of a 7 days trip at 100 km from the event horizon 27074 5 days