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A Class F white star was a spectral class of star that had a temperature that ranged from 6,000 to 7,500 Kelvin. Its composition was hydrogen and ionized metals, calcium and iron. (Star Trek Star Charts)

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  • Class F star
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  • A Class F white star was a spectral class of star that had a temperature that ranged from 6,000 to 7,500 Kelvin. Its composition was hydrogen and ionized metals, calcium and iron. (Star Trek Star Charts)
  • A Class F star is the fourth-brightest type of main sequence star. They are typically colored white or yellow-white. They make up roughly 3% of main-sequence stars. A typical Class F star has a mass of 1.2 (1.04 to 1.4) solar masses, a radius of 1.3 (1.15 to 1.4) solar radii, a luminosity of 3 (1.5 to 5) solar luminosities, a surface temperature of 6,750 K (6,000 K to 7,500 K), and a lifespan of 5 billion years.
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  • A Class F star is the fourth-brightest type of main sequence star. They are typically colored white or yellow-white. They make up roughly 3% of main-sequence stars. A typical Class F star has a mass of 1.2 (1.04 to 1.4) solar masses, a radius of 1.3 (1.15 to 1.4) solar radii, a luminosity of 3 (1.5 to 5) solar luminosities, a surface temperature of 6,750 K (6,000 K to 7,500 K), and a lifespan of 5 billion years. While these stars have lifespans a bit shorter than the Sun, they are likely candidates for planets and life with habitable zones around 1.5 AU away, though perhaps they might become too bright and hot later in their lives for intelligent life to develop.
  • A Class F white star was a spectral class of star that had a temperature that ranged from 6,000 to 7,500 Kelvin. Its composition was hydrogen and ionized metals, calcium and iron. (Star Trek Star Charts)
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