Cepheid Period-Luminosity Relation -7.0 -85 -6.0 Absolute Magnitude (mag) -5.5 -5.0 -45 -4.0 10 15 20 25 30 40 50 60 80 100 Penod (days) Figure 2 - Cepheid Period-Luminosity Relationship Graph Star HV Period Distance m M Modulus (P) m - M 837 1967 843 2063 2060 14.3 10.2 1873 14.7 12.9 1954 13.8 16.6 847 13.8 27.5 840 13.4 33.1 11182 13.6 39.8 1837 13.1 42.6 1877 13.1 50.1 Table 2 - A Sample of Cepheids in the Small Magellanic Cloud