Welcome to the e-mail version of this lab. I hope you took the
time to complete the light curve and determine some opinions at the mirror SN
1987A page first before coming directly here or you will not be able to
answer any of the questions with confidence. You may have done the work and
still lack confidence, but go ahead and see how you did and I will try to be
understanding. There is a correction to the lab page that
you have seen on the earlier screen that will affect how you graph the data.
On the data sheet, the "days since event" column has 2 errors:
f = May 5 should be 71 days.
g = May 25 should be 90 days
Otherwise, remember that you are using the measurement of parsecs
and not lightyears for the value of "r."
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