Dolan, Michelle M.; Mathews, Grant J.; Lam, Doan Duc; Lan, Nguyen Quynh; Herczeg, Gregory J.; Dearborn, David S. P. (2017). “Evolutionary Tracks for Betelgeuse”. The Astrophysical Journal819 (1): 7. arXiv:1406.3143. Bibcode: 2016ApJ...819....7D. doi:10.3847/0004-637X/819/1/7.
Dolan, Michelle M.; Mathews, Grant J.; Lam, Doan Duc; Lan, Nguyen Quynh; Herczeg, Gregory J.; Dearborn, David S. P. (2017). “Evolutionary Tracks for Betelgeuse”. The Astrophysical Journal819 (1): 7. arXiv:1406.3143. Bibcode: 2016ApJ...819....7D. doi:10.3847/0004-637X/819/1/7.
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Derek, Jones (1968-7). “Norman Pogson and the Definition of Stellar Magnitude”. Astronomical Society of the Pacific Leaflets10 (469): 145-152. Bibcode: 1968ASPL...10..145J.
Dolan, Michelle M.; Mathews, Grant J.; Lam, Doan Duc; Lan, Nguyen Quynh; Herczeg, Gregory J.; Dearborn, David S. P. (2017). “Evolutionary Tracks for Betelgeuse”. The Astrophysical Journal819 (1): 7. arXiv:1406.3143. Bibcode: 2016ApJ...819....7D. doi:10.3847/0004-637X/819/1/7.