Stellar Astrophysics Centre:

Research on the Sun, stars

and extra-solar planets


Artist's impression of a hot super-Earth being stripped of it's atmosphere due to being too close to the mother planet. (image credit: Peter Devine)

2016.04.11 | Public/media, Staff, Students

Don't come too close to the stars if you are a super-Earth

Coming too close to the fire will get your fingers burnt. This is also valid for exoplanets orbiting remote stars. Mia S. Lundkvist et al; many affiliated with SAC, have shown that it is also true in the real world. Recent paper titled "Hot super-Earths stripped by their host stars" in Nature Communications.

2016.03.23 | Public/media

Deadly stars - the Sun included

It happened in 1859, almost in 2012. It will happen again: The Sun erupts in an enormous flare able to destroy the electromagnetic infrastructure on Earth. Christoffer Karoff and Mads Faurschou Knudsen of IFA and Department of Geoscience warns in a paper in Nature Communications: Not the end of the World - just of civilization!

2016.01.25 | Public/media, Staff, Students

Victor Silva Aguirre awarded an AUFF grant

SAC's leading role in exoplanet research secured into the TESS era with recent grant from Aarhus University Research Foundation for Victor Silva Aguirre.

2016.01.12 | Public/media, Staff, Students

New SAC postdoc - Remo Collet

Remo Collet has joined the Stellar Astrophysics Centre 1 January 2016

2016.01.05 | Public/media, Staff, Students

Fine-tuning of stellar gravity

A new method for determining of the surface gravity of stars, based on Kepler observations of granulation improves the precision of gravity determinations to 4%. The method is viable for many more types of stars than previously possible. The method is published 1 January 2016 in a paper in Science Advances by a group of researchers including…

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