Information on HT Cas
From the data obtained from the ASCA satellite, astrophysicists have also
determined the following that you and your students may find interesting and
From optical observations, astronomers find that the orbital velocity is 390 km/sec.
- It involves a smaller star that is a white dwarf .012 x the
size of the Sun and a larger star that is .154 x the size of
the Sun (the size of the larger star should make sense,
once you have made your calculations).
- This system has an inclination of 83 degrees. A 90 degrees inclination
be one where the smaller star traverses the central star exactly in the
middle, providing some evidence that it resembles diagram b (Total Eclipse)
in the illustration of a variety of light