Planet around Gamma-1 Leonis

dF star Number of posts : 3337 Registration date : 2008-06-12

Detection of a Planetary Companion around the giant star γ¹ Leo

Gamma-1 Leonis is part of the binary system ADS 7724.

Subject: Re: Planet around Gamma-1 Leonis 6th November 2009, 5:13 am

An additional planet is also inferred: 2.14 Mj P=1340 d a=2.6 AUs e=0.13 Very Happy

Now at EPE

http://exoplanet.eu/star.php?st=gamma+1+Leo

I've edited Wikipedia page too:

http://en.wikipedia.org/wiki/Gamma_Leonis

dF star Number of posts : 3337 Registration date : 2008-06-12

IIRC this is currently the only planet known in a giant + giant binary system. Not sure about that though.

As the paper notes, the case for the second planet is not clear, stellar rotation maybe.

» Planet-mimicking variability in Gamma Draconis (Eltanin)
» AD Leonis b?
» Dynamics of Gamma Cephei Ab
» Gamma Cephei and stellar scattering
» Astrometric orbit for Gamma Cephei Ab