New Dolphin, discovered on the night of August 14-15, 2013, had an apparent magnitude of m = +4.3 during the outburst.

bystudin | November 15, 2020 | Education

New Dolphin, discovered on the night of August 14-15, 2013, had an apparent magnitude of m = +4.3 during the outburst. Determine the distance to it if its absolute stellar magnitude was M = -8.7.

M = m + 5 – 51gD, logD = (m + 5 – M) / 5; lgD = 3.6; D = 10 ^ 3.6 = 2000 (pc).

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