White dwarfs in the Gaia era

White dwarfs in the Gaia era

by | Apr 5, 2019 | Events, Talk

White dwarfs in the Gaia era The vast majority of stars will end, or have ended, their lives in the form of a white dwarf. These objects have the average size of the Earth; however, they can be more massive than the Sun. This makes white dwarfs to be extremely dense...
Does size matter? The case of the HH80-81 disk

Does size matter? The case of the HH80-81 disk

by | Mar 22, 2019 | Events, Talk

Does size matter? The case of the HH80-81 disk Understanding how high-mass stars form and evolve is one of the hot topics in astrophysics, due to the high impact that these objects have in the life of a galaxy. It is well known that low-mass stars are formed through...
“The Glass Universe” Women Pioneers of Astronomy

“The Glass Universe” Women Pioneers of Astronomy

by | Mar 9, 2019 | Events, Talk

“The Glass Universe” Women Pioneers of Astronomy As part of the International Women’s Day programme, the writer and scientist Dava Sobel will speak about the main characters of her book The Glass Universe: How the Ladies at Harvard Observatory...
Pulsations in (few, exotic) hot subdwarf stars

Pulsations in (few, exotic) hot subdwarf stars

by | Mar 8, 2019 | Events, Talk

Pulsations in (few, exotic) hot subdwarf stars Most hot subdwarf stars (spectral types sdBs, sdOs) are core helium-burning stars at the blue end of the horizontal branch with masses slightly below half a solar mass. They are found in all Galactic stellar populations...