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30 Arietis System

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Exoplanetary Scratchpad

[SysBP Img]

The second four star system found to have a planet 130 ly away and 910 MYO. Composed of two F-type stars orbiting each other at 1500AU, each of which is a spectroscopic binary. Star B has a planet orbiting within the orbit of its newly discovered stellar neighbor 23 AU away. The planet is ten times as massive as Jupiter in a 335 day orbit. From its surface, the star it orbits would appear as a small sun, the neighboring star as a bright star, and the distant stellar pair A would appear as a single bright star in the sky which could be resolved into two stars orbiting each other. The neighboring star does not appear to have altered the orbit of the planet. It is not clear why this is the case, since it is closer than that of the planet in triple star system HD 2638 and its neighbor, which was altered.

My ThoughtsEdit

Guess a planet in a four star system is still a big deal. Only one other has been found and I didn't have it listed before. Both primaries are awefully bright. I didn't see any info on what kind of stars the secondaries were, so I'm going to assume red dwarfs. The view from the planet would be cool.

30 Arietis System Web PagesEdit

30 Arietis System In the NewsEdit

Fourth Star Found in System (2015)Edit

See AlsoEdit

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