This is a list of star systems within 40–45 light years of Earth.
| Star system←→←→ | Median distance (ly) | Stars in system | Spectral type | Apparent magnitude (V) | Comments and references |
|---|---|---|---|---|---|
| 40.1 | 1 | M4V | 11.96 | has 1 known planet | |
| 40.2 ± 0.3 | 2 | F1V | 2.85 | ||
| 40.2 ± 0.9 | 1 | M1.5V | 10.84 | ||
| 40.25 ± 0.37 | 2 | G8V + M4V | 5.95/13.15 | has 5 known planets | |
| 40.8 ± 0.5 | 1 | KV | |||
| 40.77 ± 0.65 | 2 | M5+M5 | |||
| 40.8 | 1 | T9 | |||
| 40.8 ± 10.1 | 1 | T2 | |||
| 41 | 1 | M4.5V | 14.18 | has 2 known planet[1] | |
| 41.0 ± 0.4 | 1 | G8V | 5.98 | has 3 known planets | |
| 41.0 | 1 | Y0 | |||
| 41.1 | 1 | T9.5 | |||
| 41.15 ± 0.02 | 1 | M4 | 13.46 | has 2 known planets | |
| 41.2 ± 0.4 | 2 | G1.5V + MV | 4.95/12.5 | ||
| Lambda Aurigae «Al Hurr» | 41.2 ± 0.5 | 2 | G1V | 4.71 | |
| 41.2 ± 1.2 | 1 | K3.5V | |||
| 41.2 ± 1.6 | 2 | MV | |||
| 41.3 | 1 | MV | has 1 known planet | ||
| 41.4 ± 0.4 | 1 | G8V | 6.33 | ||
| 41.4 ± 0.6 | 1 | KV | |||
| 41.6 ± 0.3 | 3 | G0V + F | 4.75 | ||
| 2MASS J0523-1403 | 41.62 | 1 | L2.5 | 21.05 | [2] |
| 41.7 ± 0.3 | 1 | K0V | 6.43 | ||
| 41.75 ± 1.30 | 1 | M3.5V | |||
| 41.8 ± 0.3 | 1 | K2.5V | 7.17 | has 6 known planets | |
| 41.9 ± 0.4 | 3 | F8V | 4.82 | ||
| 42.0 ± 0.5 | 2 | G1V | 5.38 | has 1 known planet | |
| 42.0 ± 1 | 2 | KV | |||
| 42.1 | 1 | T8 | |||
| 42.1 ± 0.4 | 2 | G8IV + M4V | 5.54 | ||
| 42.2 ± 0.5 | 4 | G1III + K0III | 0.08 | ||
| 42.26 ± 0.92 | 2 | M3.5 | |||
| 42.3 ± 0.5 | 1 | KV | |||
| 42.3 ± 0.7 | 1 | M0V | 8.38 | ||
| 42.4 | 1 | T8.5 | |||
| 42.4 ± 0.5 | 1 | G5V | 5.85 | ||
| 42.4 ± 0.9 | 1 | M1V | 10.26 | ||
| 42.4 | 1 | DA:w | 13.2 | ||
| 42.44 ± 2.08 | 2 | M4V + L5 | |||
| 42.7 | 1 | T9 | |||
| 42.7 | 1 | T5.5 | |||
| 42.7 ± 0.3 | 1 | K5V | 7.62 | ||
| 42.8 ± 0.6 | 1 | K4V | 7.45 | ||
| 42.9 ± 1 | 2 | KV | 8.1 | ||
| 43.1 ± 0.5 | 1 | K2V | 6.82 | ||
| 43.4 ± 0.5 | 1 | G1.5V | 5.49 | ||
| 43.6 | 1 | M3.5V | [3] | ||
| 43.6 ± 0.5 | 1 | K6.5V | 8.64 | ||
| 43.6 ± 0.8 | 1 | KV | |||
| 43.8 ± 0.4 | 1 | KV | |||
| 43.8 ± 0.7 | 1 | K5V | 8.35 | has 1 known planet[4] | |
| 43.9 ± 0.4 | 2 | F8V + M4.5V | 4.09 | has 4 known planets | |
| Theta Ursae Majoris «Alhaud» | 44.0 ± 0.4 | 3 | F6IV | 3.166 | |
| 44.0 ± 0.8 | 1 | K3V | 8.00 | ||
| 44.02 ± 0.84 | 1 | M4.5 | |||
| 44.2 ± 0.7 | 1 | K5V | 7.93 | ||
| 44.3 ± 1.2 | 1 | Y0 | |||
| 44.4 | 1 | T9 | |||
| 44.4 | 1 | T4 | |||
| 44.4 ± 0.4 | 2 | G0V + MV | 5.33/9.9 | ||
| 44.4 ± 0.7 | 2 | K4V + dK6 | 7.96/8.35 | ||
| 44.4 | 1 | DAV4.4 | 13.03 | Variable | |
| 44.6 ± 0.6 | 1 | K2.5Vk | 7.385 | ||
| 44.7 | 1 | T6.5 | |||
| 44.7 | 1 | T8 | |||
| Beta Aquilae «Alshain» | 44.7 ± 0.5 | 2 | G8IV | 3.71/11.4 | |
| 44.7 ± 0.5 | 2 | G8V | 6.09 | ||
| 44.7 ± 0.7 | 1 | MV | |||
| 44.8 ± 0.5 | 2 | F8V | 4.28 | ||
| 44.8 ± 0.5 | 1 | KV | |||
| 44.9 ± 0.03 | 1 | K0 Ve | 6.15 | ||