Type 1a Supernovae

  • Cosmic Distances, Stellar Brightness, and The Hubble Constant

    FAS Astronomers Blog, Volume 30, Number 3. The Hubble Constant The Universe is expanding. The farther a galaxy is from us, the faster it is moving away from us. We measure this expansion using something called the Hubble constant, which is the rate with which galaxies are receding from us as a function of their…

  • March 2014 FAS Meeting

    Hi FAS folks: Our next meeting will be tomorrow, Tuesday, March 25, at 7:30 PM at Sci-Works. This month’s program has been re-scheduled from our snowed-out January meeting. The program’s theme is Type 1a supernovas, presented by Brad Barlow, Assistant Professor of Astrophysics at High Point University. Type 1a supernovas are important tools for determining…

  • January 2013 FAS Meeting

    CANCELED DUE TO SNOW! The title of our January talk is a bit unusual. You might have thought twice about attending if the title read, “Discovery of an Under-luminous Type 1a Supernova Progenitor in Our Cosmic Backyard ”. Or, what if the talk was entitled, “A Zombie Star Lurking in Our Cosmic Backyard”. (These are…