Measure Angular Size of SN Calculation Diameter (Pixels) ×0.049 arc sec/pixel = ?? arc sec Measure Expansion Rate of SN FWHM: 105.72 Line 1 Line 2 Line 1 ×c = ?? km/s Line 2 - 35 ×c = ?? km/s Average ...Measure Angular Size of SN Calculation Diameter (Pixels) ×0.049 arc sec/pixel = ?? arc sec Measure Expansion Rate of SN FWHM: 105.72 Line 1 Line 2 Line 1 ×c = ?? km/s Line 2 - 35 ×c = ?? km/s Average Velocity ?? km/s Calculate Physical Size of SN Age of Supernova Years: 1998 - 1885 = years Seconds: 60 s min × 60 min hr × 24 hr day × 365 day year × years = 0.
