WASP-161

The planet WASP-161b is 1.14 times the radius of Jupiter, the largest planet in our Solar System. It is thus vastly bigger than our Earth.

WASP-161b is about 2 and a half times the mass of Jupiter. That means that it is slightly more dense than Jupiter.

The star WASP-161 is 1.71 times the radius of the Sun. Its spectral type is F6, a class of stars bigger and hotter than our Sun. It has a brightness of visual magnitude 11.1.

WASP-161b orbits at a distance of 10.07 million km, taking 5.41 days to go round its orbit.

WASP-161 lies in the constellation of Puppis. Its coordinates are right ascension of 08:25:21.1 and declination of −11:30:04. It is at a distance of 340 parsecs away from us.

The brightest stars in the plot have magnitude −2 and the faintest have magnitude 6, so, with a visual magnitude 11.1, WASP-161 is much fainter than these stars. You would need a telescope to see it.

WASP-161b was chosen to be the planet named by the people of Morocco because it is the first planet to be announced in a paper led by scientists from Morocco! The lead-author of the discovery paper is Khalid Barkaoui of Cadi Ayyad University in Marrakech.

Khalid Barkaoui used the TRAPPIST-North photometric telescope, located at the Oukaïmden Observatory in the Atlas Mountains, to observe transits of WASP-161b. Two TRAPPIST-North light curves are shown at right, along with light curves from TRAPPIST-South and the SPECULOOS-South observatory. Together they prove that WASP-161b really is a Jupiter-sized planet.

For more information visit http://exoplanet.eu/catalog/wasp-161_b/.

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