Stellar Astrophysics Centre:

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and extra-solar planets

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Credit: Instituto de Astrofísica de Canarias - IAC

07.11.2018 |

First detection of aluminium oxide in an exoplanet atmosphere

Led by Carolina von Essen, AU, an international team has found aluminium oxide in an Ultra Hot Jupiter. They used the OSIRIS spectrograph on the Gran Telescopio Canarias (GTC) to study the chemical composition of the planet whose equilibrium temperature is around 3,200 °C.

NASA's exoplanet hunter Kepler. Credits: NASA/Wendy Stenzel/Daniel Rutter

31.10.2018 |

Goodbye Kepler, and thanks for all the data

NASA announced on 30 Oct 2018 that the Kepler spacecraft will be retired because it finally has run out of fuel for the control system.

An active region of the Sun. The dark spots are “sunspots”. Credit: NASA/SDO/AIA/HMI/Goddard Space Flight Center.

29.10.2018 |

Building Butterflies from Starlight

Read the interesting astrobite about the article "Butterfly diagram of a Sun-like star observed using asteroseismology" with Jørgen Christensen-Dalsgaard and Tim White as co-authors.

Tina Santl-Temkiv doing field work in Greenland

19.09.2018 |

Villum grant for Tina Santl-Temkiv

How do sea ice microorganisms effect cloud processes in the Arctic?

Differential rotation in the Sun

19.09.2018 |

Our Sun is turning - but not like the others

The rotation of the Sun is a complicated matter, and astronomers are quite a bit away from a full understanding of why this is. 13 other sunlike stars behave in almost the same way, according to recent Science paper with Jørgen Christensen-Dalsgaard as co-author

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