Spectrum of the star HD 1069 (Courtesy of S. Howell, National Optical Astronomy Observatories)

Greetings to students in ASTR 4810/PHYS 5810 from the instructor, Nancy Morrison.

This page is intended to provide a backup copy of the images displayed in lecture, announcements relevant to the class, and access to the wealth of astronomical information on the World Wide Web.

Latest update: 12/5/05 17:46

Links to astronomy resources



The following books are on reserve at Carlson Library on 3-day loan. Also recommended (for basic physics only) but not on reserve: Aller, L. H., Astrophysics; the Atmospheres of the Sun and Stars (New York, Ronald Press Co. [1963])

Backup copies of documents (PDF unless otherwise noted)

Selected solutions to problems


Images, or links to images, shown in class are given below.

Monday, December 5:

Friday, December 2: slitless spectrum of nebula M57

Wednesday, November 30: Sun in white light (showing limb darkening, among other features)

Monday, November 28: energy distribution of the B9 star HD20899, from Jacoby, G. H., Hunter, D. A., and Christian, C. A. 1984, Astrophys. J. Supp. Ser., 56, 257, "A Library of Stellar Spectra" (right click to view full size)

Friday, November 18

Monday, November 14: image of Betelgeuse made with Hubble Space Telescope; see also published research paper

Wednesday, November 9: Second half of the sequence of stellar spectra, with strong spectral lines and spectral types labeled. To view full size, right click. Adapted from image by the National Optical Astronomy Observatories, original image here.
Monday, November 7: First half of the sequence of stellar spectra, with strong spectral lines and spectral types labeled. To view full size, right click. Adapted from image by the National Optical Astronomy Observatories, original image here.

Monday, October 31

Friday, October 28

Wednesday, October 26

Monday, October 24 - telescopes

Friday, October 21

Wednesday, October 12:

Spectrum of star, HD 12027, showing hydrogen Balmer series. This star is a bit unusual in that it has an emission line at Hα; all the other Balmer lines are in absorption, as is normal. (Spectrum courtesy of S. Howell, National Optical Astronomy Observatories)

Monday, October 10:

Monday, October 3:

Wednesday, September 7:

Friday, September 2:

Wednesday, August 31:

Wednesday, August 24: