Use the table and the description of the Hertzsprung-Russell diagram to answer the question.
| Star | Luminosity (compared to Sun) | Temperature (K) |
|---|---|---|
| Spica | 12,000 | 22,000 |
| Sirius A | 25 | 9,900 |
| Procyon A | 7 | 6,500 |
| The Sun | 1 | 5,800 |
| Epsilon Eridani | 0.3 | Estimate this value |
| Barnard's Star | 0.0004 | 3,100 |
Estimate the surface temperature of the star Epsilon Eridani.