01 June 2020
Giant magnetic spots discovered on small super-hot stars
...percent of all stars are expected to end their lives as white dwarfs. “The bigger picture though,” says team member, David Jones...stars to old extreme horizontal branch stars and long-dead white dwarfs — could all be connected. These objects can thus ...
24 July 2020
A first of its kind white dwarf merger with a dense compact object discovered by students
...one plausible scenario to explain it all; the merger of a white dwarf with either a neutron star or a black hole. “The explosion is likely... a black hole or neutron star while the other became a white dwarf. This left a ball about the size of the earth,...
September 2017
Binary stars and their extraordinary lives
... stars explode as type Ia supernovae and confirm that the Universe is accelerating its expansion. White dwarf Sirius B is dwarfed by its brilliant blue-white binary companion Sirius, the Dog Star. Not only that, but the latest surveys of very...
08 December 2015
New light shed on the mystery of 'Born Again' stars
...and dust, thus leaving behind a burned out white dwarf. Meanwhile its once small neighbour, now burdened ... stragglers. Using Hubble to identify the ultraviolet glow of a white dwarf, the team found that seven stragglers fitted the companion scenario....
August 2018
Making a cosmic impression
... dies. This brought me to study condensed matter, and how we could find new white dwarf stars. In the process, I discovered seven new white dwarf stars using a 48-inch Ritchie-Chrétien reflector at the Elginfield Observatory at the University...
April 2019
Scanning the skies for exoplanets
... streaking through the skies at the same time, such as asteroids, comets, eclipsing binaries, flare stars and white dwarf stars. The mission’s sensitive cameras have, for example, already captured 100 short-lived changes; six...
