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Q&A

What is the Habitable Zone of a Red Dwarf star?

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This question is pretty straightforward:

What is the minimum and maximum distance for a planet to be in the habitable zone of an average sized (not biggest, not smallest) Red Dwarf star?

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This post was sourced from https://worldbuilding.stackexchange.com/q/137701. It is licensed under CC BY-SA 4.0.

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What is the minimum and maximum distance for a planet to be in the habitable zone of an average sized (not biggest, not smallest) Red Dwarf star?

Flattening out all sudden magnetic and luminous flux variations (assuming the author has a way of achieving this by Sci-Fi means or just "Atypical Stability of the System"):

  • For the mean luminosity of an "average sized red dwarf" (in this case Median size - about 0.15 of the mass of the sun):

  • The habitable zone would extend between 0.04 and 0.1 astronomical units (Distance of Earth from Sun) with the closest to Earth's level of illuminance being at about 0.055 AUs.

As you can square on this diagram: http://sites.psu.edu/ceh5286/wp-content/uploads/sites/4579/2014/04/ndistance_HZ_09022014.jpg (The image is free to use but too massive to upload to this site.)

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