List of star systems within 400–450 light-years
(Redirected from List of star systems within 400-450 light-years)
This is a list of star systems within 400–450 light years of Earth.[1][2][3]
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| Star system←→←→ | Median distance (ly) | Stars in system | Spectral type | Apparent magnitude (V) | Comments and references |
|---|---|---|---|---|---|
| RX J1856.5−3754 | 400 | 1 | N | The closest Neutron Star to Earth. | |
| Delta Scorpii (Dschubba) | 400 | 2 | B0.3 IV + B1-3V | 1.59 - 2.32 | |
| Beta Scorpii (Acrab) | 400 ± 40 | 3 | B1V+B2V | ||
| Kepler-445 | 401 ± 2 | 1 | M4V | 18.19 | Has 4 exoplanets. |
| HD 30442 (HR 1527) | 403 ± 5 | 1 | M3 IIIab | 5.47±0.01 | |
| K2-148 | 407 | 1 | K7V | Has 3 exoplanets. | |
| Betelgeuse (Alpha Orionis) | 408 – 548+90 −49 |
1 | M1–M2 Ia–ab | +0.50 | The closest red supergiant star an one of the closest supernova candidates to Earth. |
| Epsilon Centauri | 430 ± 30 | 1 | B1 III | +2.30 | |
| Epsilon Canis Majoris (Adhara) | 430 ± 30 | 1 | B2 II | 1.50 | One of the closest supernova candidates to Earth. |
| Alcyone (Eta Tauri) | 440 | 1 | B5IIIe | 2.87 | |
| Gamma Canis Majoris (Muliphein) | 440 ± 10 | 1 | B8II | +4.10 | |
| Omicron Aquarii | 440 ± 10 | 1 | B7 IVe | +4.71 | |
| Zeta Ophiuchi | 440 ± 40 | 1 | O9.5 V | 2.56 – 2.58 | The closest O-type star and one of the closest supernova candidates to Earth. |
| HIP 78530 | 445.8+4.87 −4.77 |
1 | B9V | 7.1691±0.0459 | Has 1 exoplanet. |
See also
[edit]References
[edit]- ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- ^ Barry, Don C. (January 1970), "Spectral Classification of a and F Stars", Astrophysical Journal Supplement, 19: 281, Bibcode:1970ApJS...19..281B, doi:10.1086/190209.
- ^ Frost, E. B. (December 1924), "Fourteen spectroscopic binaries", Astrophysical Journal, 60: 319–320, Bibcode:1924ApJ....60..319F, doi:10.1086/142868.
