Astr 2100 Descriptive Astronomy
Fall 2017  Assignment 11
due Monday November 27^{th} 2017
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Assignment
Find the distances to the following

Star A, with a parallax angle of 0.1 arc seconds

Star B, with a parallax angle of 0.012 arc seconds

The parallax angle for the star Arcturus

Star C with a surface temperature of 4,500 K and a relative magnitude of
9

Star D with a surface temperature of 20,000 K and a relative magnitude
of 7.6

Star E with a light curve whose maximum is at 450 nm and a relative magnitude
of 5.9

Star F with a light curve whose maximum is at 800 nm and a relative magnitude
of 8

A Cepheid variable G whose period is 8 days and whose relative magnitude
is 11

A Cepheid variable H whose period is 40 days and whose relative magnitude
is 15

A Type I supernova with a relative magnitude of 8.9 (Hint, first search
for the absolute magnitude of a Type I supernova)
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