Smartt, S. J.; Lennon, D. J.; Kudritzki, R. P.; Rosales, F.; Ryans, R. S. I.; Wright, N. The evolutionary status of Sher 25 - implications for blue supergiants and the progenitor of SN 1987A. Astronomy and Astrophysics. 2002, 391 (3): 979. Bibcode:2002A&A...391..979S. arXiv:astro-ph/0205242. doi:10.1051/0004-6361:20020829.
Hendry, M. A.; Smartt, S. J.; Skillman, E. D.; Evans, C. J.; Trundle, C.; Lennon, D. J.; Crowther, P. A.; Hunter, I. The blue supergiant Sher 25 and its intriguing hourglass nebula. Monthly Notices of the Royal Astronomical Society. 2008, 388 (3): 1127. Bibcode:2008MNRAS.388.1127H. arXiv:0803.4262. doi:10.1111/j.1365-2966.2008.13347.x.
Brandner, Wolfgang; Grebel, Eva K.; Chu, You-Hua; Weis, Kerstin. Ring Nebula and Bipolar Outflows Associated with the B1.5 Supergiant Sher 25 in NGC 3603. Astrophysical Journal Letters. January 1997, 475: L45. Bibcode:1997ApJ...475L..45B. arXiv:astro-ph/9611046. doi:10.1086/310460.
Smartt, S. J.; Lennon, D. J.; Kudritzki, R. P.; Rosales, F.; Ryans, R. S. I.; Wright, N. The evolutionary status of Sher 25 - implications for blue supergiants and the progenitor of SN 1987A. Astronomy and Astrophysics. 2002, 391 (3): 979. Bibcode:2002A&A...391..979S. arXiv:astro-ph/0205242. doi:10.1051/0004-6361:20020829.
Hendry, M. A.; Smartt, S. J.; Skillman, E. D.; Evans, C. J.; Trundle, C.; Lennon, D. J.; Crowther, P. A.; Hunter, I. The blue supergiant Sher 25 and its intriguing hourglass nebula. Monthly Notices of the Royal Astronomical Society. 2008, 388 (3): 1127. Bibcode:2008MNRAS.388.1127H. arXiv:0803.4262. doi:10.1111/j.1365-2966.2008.13347.x.
Brandner, Wolfgang; Grebel, Eva K.; Chu, You-Hua; Weis, Kerstin. Ring Nebula and Bipolar Outflows Associated with the B1.5 Supergiant Sher 25 in NGC 3603. Astrophysical Journal Letters. January 1997, 475: L45. Bibcode:1997ApJ...475L..45B. arXiv:astro-ph/9611046. doi:10.1086/310460.
Moffat, A. F. J.; Drissen, L.; Shara, M. M. NGC 3603 and its Wolf-Rayet stars: Galactic clone of R136 at the core of 30 Doradus, but without the massive surrounding cluster halo. The Astrophysical Journal. 1994, 436: 183. Bibcode:1994ApJ...436..183M. doi:10.1086/174891.
Smartt, S. J.; Lennon, D. J.; Kudritzki, R. P.; Rosales, F.; Ryans, R. S. I.; Wright, N. The evolutionary status of Sher 25 - implications for blue supergiants and the progenitor of SN 1987A. Astronomy and Astrophysics. 2002, 391 (3): 979. Bibcode:2002A&A...391..979S. arXiv:astro-ph/0205242. doi:10.1051/0004-6361:20020829.
Hendry, M. A.; Smartt, S. J.; Skillman, E. D.; Evans, C. J.; Trundle, C.; Lennon, D. J.; Crowther, P. A.; Hunter, I. The blue supergiant Sher 25 and its intriguing hourglass nebula. Monthly Notices of the Royal Astronomical Society. 2008, 388 (3): 1127. Bibcode:2008MNRAS.388.1127H. arXiv:0803.4262. doi:10.1111/j.1365-2966.2008.13347.x.
Brandner, Wolfgang; Grebel, Eva K.; Chu, You-Hua; Weis, Kerstin. Ring Nebula and Bipolar Outflows Associated with the B1.5 Supergiant Sher 25 in NGC 3603. Astrophysical Journal Letters. January 1997, 475: L45. Bibcode:1997ApJ...475L..45B. arXiv:astro-ph/9611046. doi:10.1086/310460.
Moffat, A. F. J.; Drissen, L.; Shara, M. M. NGC 3603 and its Wolf-Rayet stars: Galactic clone of R136 at the core of 30 Doradus, but without the massive surrounding cluster halo. The Astrophysical Journal. 1994, 436: 183. Bibcode:1994ApJ...436..183M. doi:10.1086/174891.