by Daniel Berke | Apr 12, 2018 | Daily Paper Summaries
The Sun’s closest neighbor star Proxima Centauri—normally invisible to the naked eye—may have briefly become visible by increasing in brightness over 100 times for a few minutes back in 2016 in the largest flare ever seen from it.
by Jamila Pegues | Dec 27, 2017 | Daily Paper Summaries
Is it an exoplanet… or is it stellar activity in disguise? In today’s astrobite, we explore the stellar activity for a survey of M-Dwarfs, to help us distinguish signals of M-Dwarf stellar activity from the signals of the exoplanets that may be orbiting them.
by Philipp Plewa | Aug 29, 2017 | Daily Paper Summaries
How an exoplanet’s transits reveal starspots on HAT-P-11.
by Leonardo dos Santos | Jul 3, 2017 | Daily Paper Summaries
Measuring stellar ages is difficult, so sometimes we need to resort to using indirect estimates. In today’s paper, we will see how to calibrate a cosmic clock for cool stars and, as a bonus, discover that the activity of these stars may decline faster than we previously thought.
by Leonardo dos Santos | Nov 23, 2016 | Daily Paper Summaries
That giant blob of plasma right there in our cosmic backyard rules our everyday lives, and yet it still holds many surprises. We will see today that the Sun is significantly less active than other stars similar to it, and how this affects our future studies on the subject.
by Gudmundur Stefansson | Oct 28, 2015 | Daily Paper Summaries
Spirou often runs into fantastic adventures with his courageous, and sharp pet squirrel Spip. Their next adventure: a radial velocity spectrograph. What sophisticated technology is this? How does it work? What can it help us find?