List of O-type stars

Source: Wikipedia, the free encyclopedia.

This is a list of O-type stars by their distance from Earth.[1][2][3]

Star system Median distance (ly) Stars in system Spectral type Apparent magnitude (V) Comments and references
Zeta Ophiuchi 440 ± 40 1 O9.5 V 2.56 – 2.58 The closest O-type star to Earth.
Zeta Puppis (Naos) 1,080 ± 40 1 O4If(n)p 2.24 - 2.26
Gamma² Velorum (Suhail al Muhlif/Regor) 1096+26
−23
2 O7.5III 1.83
Mintaka A (Delta Orionis, 34 Orionis) 1,200 3 O9.5II 2.5
Alnitak (Zeta Orionis, 50 Orionis) 1,260 ± 180 3 O9.5Iab 1.77
Sigma Orionis A 1263±4.3 2 O9.5V 4.07
Meissa A (Lambda Orionis) 1260±200 1 O8 III((f)) 3.7
AE Aurigae 1,320 ± 40 1 O9.5V 5.96
Xi Persei (Menkib) 1340±65 1 O7.5III(n)((f)) 4.04
Theta¹ Orionis C1 1340±65 1 O6Vp 5.13
Iota Orionis (Haytsa) 1343+45.6
−42.3
3 O9 III 2.77

See also

References

  1. ^ 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.
  2. ^ 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.
  3. ^ Frost, E. B. (December 1924), "Fourteen spectroscopic binaries", Astrophysical Journal, 60: 319–320, Bibcode:1924ApJ....60..319F, doi:10.1086/142868.