Classical Cepheid variables exhibit luminosity-period relation that is approximately governed by the following equation: L = 1.7 1034 erg s1(P/day)0.97 You observe a classical Cepheid variable in a nearby galaxy and measure an average flux of 1.28 1016 erg s1 cm2. It has a period of 40 days. What is the distance to this nearby galaxy in units of Mpc

Answer rating: 100% (QA)

A classic problem in astronomy Were given the luminosityperiod relation for classical Cepheid variab... View the full answer