Lab8- Visual Binary Stars
1.
Open Unit 22-Visual binary stars in the Virtual Astronomy Lab3.0.
2.
Read the lab manual first after clicking “Open Lab Manual.”
3.
Start the lab by clicking the horizontal bar labeled as “Visual binary stars.” Fill
out the blanks in the following.
The stars are ______________ light years away, or about ________________ km.
Each square on the view corresponds to an angle of 1 arc-second. Fill in the data table
and check your answers.
Distance between the stars: ____________________ km
____________________ AU
Star 1
Star 2
Speed (m/s)
Mass (solar mass)
Change in wavelength(nm)
True wavelength (nm)
410.17
410.17
4.
Check your answers by selecting “Check your results.” Check marks should show
up. If no check marks show up, try again. Capture the whole window displaying
correct answers with check marks. In other words, copy the screen which shows
the window labeled as “Visual Binary Stars-Check your answers” in Microsoft
Word making sure to magnify the window so that it is easy to read answers.
Your report should have blanks filled out from step3 in the above while showing
calculations for distance between stars, speed of stars, and mass of stars. Besides, the
report must have captured “Visual Binary Stars-Check your answers” window in
Microsoft Word making sure to magnify the window so that it is easy to read the answers
and check marks.
You should go to your group discussion board and start working. The lab8 report should
have title, group number, group member’s first name and last name. This is an individual
report. Everybody must submit one’s own report under “Assignments.”
