Colloquia

Mauro Barbieri – The Earth transiting the Sun as seen from Jupiters moons: the discovery of a new physical phenomenon

Colloquia

“The Earth transiting the Sun as seen from Jupiter’s moons: the discovery of a new physical phenomenon”

Mauro Barbieri

Universidad de Atacama

The Earth can be seen transiting in front of the Sun from other planets. We observed one of these are rare events on 2014 January 5, as seen form Jupiter, with high resolution spectroscopy with HARPS north and south. We observed this transits, with the goal of recording the integrated solar light with superimposed the Earth signature as A Rossiter-McLaughlin effect and Earth transmission spectra. A Rossiter-McLaughlin effect was observed but with reverse sign and about 200 times larger. The result, was not at all what was expected and the explanation eventually led to the discovery of a new effect, a sort of inverse Rossiter-McLaughlin effect that has never been observed before.

Place:

Seminar Room Institute of Astronomy

Date:

Friday December 18th 2015

Time:

15:00