13.4 Jupiter-mass planet discovered in bulge of Milky Way - microlensed

[gary]

In a 6 Nov 2017 article (https://phys.org/news/2017-11-extremely-massive-exoplanet-milky-bulge.html)at Phys.org, Tomasz Nowakowski reports on the
discovery of 13.4 Jupiter-mass planet circling a star in the bulge of
the Milky Way.






Article here :-
https://phys.org/news/2017-11-extremely-massive-exoplanet-milky-bulge.html

Paper at arXiv entitled "OGLE-2016-BLG-1190Lb: First Spitzer Bulge Planet Lies Near the Planet/Brown-Dwarf Boundary" by Ryu et. al. here :-
https://arxiv.org/pdf/1710.09974.pdf

[jenchris]

You'd think something that size would collapse into a red dwarf

[gary]

Hi Jennifer,

It is being speculated whether it is a "brown dwarf" - somewhere between
a planet and a "failed" star.

Article here in The Guardian :-

https://www.theguardian.com/science/across-the-universe/2017/nov/10/astronomers-discover-a-giant-world-but-is-it-a-planet

[jenchris]

Sorry not thinking.... I meant brown dwarf.