Dr. A. Lobel
Royal Observatory of Belgium

News Releases

  1. Astronomers show how supergiant stars repeatedly cool and heat up

    2. Royal Observatory of Belgium Press Release Oct 2019


  2. Mystery Yellow Hypergiant HR 5171 solved

    3. Royal Observatory of Belgium Press Release Dec 2015


  3. VLT Spots Largest Yellow Hypergiant Star

    4. European Southern Observatory Press Release Mar 2014


  4. Hypergiant star amazes for 30 years

    5. Royal Observatory of Belgium Press Release Nov 2012


  5. Hottest Stars in Delicate Embrace by Spiral Arms

    6. Royal Observatory of Belgium Press Release Dec 2008

    HD 64760 in the Media


  6. Storms of Hot and Cold Gas Rage in Betelgeuse's Turbulent Atmosphere

    7. American Astronomical Society Meeting Press Release of Jan 2004

    Harvard Univ. News

    Betelgeuse: Star in a Shell


  7. The Throes of a Hypergiant Star Facing Death: Rho Cassiopeiae's Monster Atmosphere Explodes Violently

    8. American Astronomical Society Meeting Press Release of Jan 2003

    AAS Press Conference Presentation and Animation

    The Rho Cas Millennium Outburst in the Media

    Harvard Univ. News


  8. Like a Human Heart: Betelgeuse's Chromosphere Beats Asymmetrically

    9. American Astronomical Society Meeting Press Release of Jan 2000

    Harvard Univ. News

    Chromospheric Dynamics of Betelgeuse from STIS Spectra by Alex Lobel