This tag is associated with 45 posts

Can planets and stars spin in unison?

The orbits of some recently discovered exoplanets seem to be synchronised with the rotation of their host stars. Can this mystery be explained?

Hundreds of new planets announced

The number of confirmed planets existing outside our Solar System just doubled.

UR #13: RR Lyrae and OSCAAR the Exoplanet-Analyzer

This month’s undergraduate research post features an analysis of distance-indicating RR Lyrae stars, and transiting exoplanet science using a code called OSCAAR.

Kepler 2.0

The Kepler Space Telescope gets a promising second chance with a new mission called “K2″.

Flipping Orbits

How do so many hot jupiters come to orbit backwards?

Lessons from radio transits

We are used to thinking about planet transits in visible wavelengths. What can we learn from planet transits in the radio band? Today, we discuss what these transits might tell us about the magnetic activity and the atmosphere of a star.

What’s Next For Kepler?

NASA is looking for a new mission for the damaged Kepler space telescope. Here are some ideas.

Recap of the IAU Planet Formation Symposium

Highlights from the International Astronomical Union Symposium on “Exploring the Formation and Evolution of Planetary Systems”.

Transit Probabilities: Not As Simple As They Seem

Our simple formula for predicting the probability that an exoplanet will transit might miss something important.

The actual transit is not shown, as its depth would overwhelm much of the structure in the out-of-transit light curve.

Characterizing Planets with BEER

Faigler et al. apply their BEER algorithm to a collection of stars in the Kepler field and find a hot Jupiter missed by the Kepler Science Team, showing a new way to find and characterize planets without follow-up observations.

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