List

Notable small stars

Smallest stars by type

Timeline of smallest red dwarf star recordholders

Notes

1. ^ Applying theStefan–Boltzmann law with a nominalsolareffective temperature of 5,772 K:

   ${\displaystyle \sqrt{(\frac{5,772}{10,780}{)}^4\cdot {10}^{-3.08}}=0.008268R_{\odot }}$.

2. ^ Applying theStefan–Boltzmann law with a nominalsolareffective temperature of 5,772 K:

   ${\displaystyle \sqrt{(\frac{5,772}{11,880}{)}^4\cdot {10}^{-2.88}}=0.00857R_{\odot }}$.

3. ^From surface gravity and mass
4. ^ Applying theStefan–Boltzmann law with a nominalsolareffective temperature of 5,772 K:

   ${\displaystyle \sqrt{(\frac{5,772}{58,280}{)}^4\cdot {10}^{0.91}}=0.02796R_{\odot }}$.

5. ^^abFrom :${\displaystyle R=\sqrt{\frac{L}{4\pi \sigma {T_e}^4}}}$, where${\displaystyle L}$ is the luminosity,${\displaystyle R}$ is the radius,${\displaystyle T_e}$ is the effective surface temperature and${\displaystyle \sigma }$ is theStefan–Boltzmann constant.
6. ^ Applying theStefan–Boltzmann law with a nominalsolareffective temperature of 5,772 K:

   ${\displaystyle \sqrt{(\frac{5,772}{285}{)}^4\cdot {10}^{-7.305}}=0.091298R_{\odot }}$.

7. ^ Applying theStefan–Boltzmann law with a nominalsolareffective temperature of 5,772 K:

   ${\displaystyle \sqrt{(\frac{5,772}{2,600}{)}^4\cdot {10}^{-3.18}}=0.12668R_{\odot }}$.

8. ^Calculated using the mass and a surface gravity of 5.1 using the following equation:
   log(R/R_☉) = 2.22 + 0.5 • log(M/M_☉) - 0.5 • logg
9. ^ Applying theStefan–Boltzmann law with a nominalsolareffective temperature of 5,772 K:

   ${\displaystyle \sqrt{(\frac{5,772}{2,730}{)}^4\cdot {10}^{-2.88}}=0.162R_{\odot }}$.

10. ^ Applying theStefan–Boltzmann law with a nominalsolareffective temperature of 5,772 K:

    ${\displaystyle \sqrt{(\frac{5,772}{2,925}{)}^4\cdot 0.0021}=0.1784R_{\odot }}$.

11. ^Applying theStefan–Boltzmann law with a nominalsolareffective temperature of 5,772 K:

    ${\displaystyle \sqrt{(\frac{5,772}{115,000}{)}^4\cdot {10}^{3.77}}=0.1933R_{\odot }}$.

12. ^ Applying theStefan–Boltzmann law with a nominalsolareffective temperature of 5,772 K:

    ${\displaystyle \sqrt{(\frac{5,772}{3,132}{)}^4\cdot 0.004603}=0.23R_{\odot }}$.

References