Marcus L. Rowland (ffutures) wrote,
Marcus L. Rowland
ffutures

Tooth and Claw - sun again

Here we go again...

Jo's decided to go with a planetary year that works out at 0.76 Earth years. The climate seems to be about the same as Earth although the day is longer, about 33.33 hours. Winter seems to be about the same percentage of the year as on earth, so I'm guessing a good greenhouse effect and something to buffer the day and night extremes, such as lots of rock absorbing heat by day and releasing it by night.

What I need to know is what type of star has a habitable zone suitable suitable for a year of that length, allowing for the star's gravity etc. Any other consequences of the star type would be nice.

I've tried looking this up, but the online sources seem a little inconsistent, to say the least, or I'm reading things wrong, which wouldn't surprise me since I'm no expert.


Later I've tried to work this out using the GURPS solar system design spreadsheet from Steve Jackson Games site, as far as I can tell it just about works out for a G9 star with a planetary orbital radius of 0.77 AU.

Is there anything in particular I should know about this type of star? More stable than ours or less? What about magnetic storms, radiation, flares, etc.?
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