{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Reading B Questions

Reading B Questions - Questions 1 Look at Figure 1A Did the...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Questions 1. Look at Figure 1A. Did the system suddenly brighten at JD55000? Make your case. 2. You have narrow eclipses and wide eclipses. About how wide is each? Why the different widths? To answer this think about the two things that eclipse width depends on. 3. Figure 1D and F show the BC binary in front of A. Dashed lines are the times of primary (BC) eclipses and dotted lines the times of secondary (BC) eclipses. Why does one get a bit of brightening at secondary? The secondary is brighter because A is brighter than BC and BC is in front of A. 4. The paper says A contributes 99.29% of the system light and the B and C contribute 0.44% and 0.27%, respectively. How do they get absolute magnitudes M V (B) = 5.6 and M V (C) = 6.1 for the two fainter components? (see supplement) 5. How do they get estimates of the spectral types of the B [G8 V] and C [K1 V]? 6. Look at this and get an estimate of the surface temperature of B and C? Is the temperature they get for A from spectra consistent with question #3 above?
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern