Star mass/luminosity for a given HZ

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SUMMARY

This discussion centers on calculating the mass, diameter, temperature, and luminosity of stars to determine the habitable zone (HZ) for a planetary system with a specified orbit distance of 93 AU. Participants highlight that achieving such a distance requires a highly luminous star, approximately 10,000 times the sun's luminosity, which poses challenges due to the star's short lifespan and high UV radiation. The conversation shifts towards exploring lower mass A-class stars (A1 or A2) and F-class stars as potential candidates for stable habitable zones, while also considering the implications of orbital periods and the nature of companion celestial bodies like brown dwarfs.

PREREQUISITES
  • Understanding of stellar classification, particularly A and F class stars.
  • Knowledge of habitable zone calculations and factors influencing habitability.
  • Familiarity with orbital mechanics and the implications of orbital periods.
  • Basic grasp of astrophysical concepts such as luminosity and UV radiation effects.
NEXT STEPS
  • Research "Stellar Habitable Zone Calculators" for accurate HZ estimations.
  • Study "Stellar Evolution and Lifespan" to understand the implications of star types on habitability.
  • Explore "Brown Dwarfs and Their Role in Planetary Systems" for insights on stable environments.
  • Investigate "Orbital Dynamics and Stability" to refine planetary system designs.
USEFUL FOR

Writers, astrophysics enthusiasts, and scientists interested in the feasibility of habitable zones around different star types, particularly in the context of science fiction narratives.

  • #31
Wow! Thanks for that, much more than I expected, and certainly looks like it'll be enough to set up the system according to plausible principles :)

I'll get into it in more detail tomorrow (it's a bit late in the UK where I am to be trying to get my head round it all).

When the books get published, I'm going to have to add an acknowledgments section! :)
 

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