Wright, N. J.; Wesson, R.; Drew, J. E.; Barentsen, G.; Barlow, M. J.; Walsh, J. R.; Zijlstra, A.; Drake, J. J. et al. (2013-10-16). “The ionized nebula surrounding the red supergiant W26 in Westerlund 1”. Monthly Notices of the Royal Astronomical Society: Letters437 (1): L1–L5. arXiv:1309.4086. Bibcode: 2014MNRAS.437L...1W. doi:10.1093/mnrasl/slt127.
Clark, J. S.; Fender, R. P.; Waters, L. B. F. M.; Dougherty, S. M.; Korrnneef, J.; Steele, I. A.; Van Blokland, A. (1998). “Discovery of extended radio emission in the young cluster Wd1”. Monthly Notices of the Royal Astronomical Society299 (4): L43. arXiv:astro-ph/9807303. Bibcode: 1998MNRAS.299L..43C. doi:10.1046/j.1365-8711.1998.02038.x.
doi.org
Wright, N. J.; Wesson, R.; Drew, J. E.; Barentsen, G.; Barlow, M. J.; Walsh, J. R.; Zijlstra, A.; Drake, J. J. et al. (2013-10-16). “The ionized nebula surrounding the red supergiant W26 in Westerlund 1”. Monthly Notices of the Royal Astronomical Society: Letters437 (1): L1–L5. arXiv:1309.4086. Bibcode: 2014MNRAS.437L...1W. doi:10.1093/mnrasl/slt127.
Westerlund, Bengt (1961). “A Heavily Reddened Cluster in ARA”. Publications of the Astronomical Society of the Pacific73: 51. Bibcode: 1961PASP...73...51W. doi:10.1086/127618.
Clark, J. S.; Fender, R. P.; Waters, L. B. F. M.; Dougherty, S. M.; Korrnneef, J.; Steele, I. A.; Van Blokland, A. (1998). “Discovery of extended radio emission in the young cluster Wd1”. Monthly Notices of the Royal Astronomical Society299 (4): L43. arXiv:astro-ph/9807303. Bibcode: 1998MNRAS.299L..43C. doi:10.1046/j.1365-8711.1998.02038.x.
harvard.edu
ui.adsabs.harvard.edu
Wright, N. J.; Wesson, R.; Drew, J. E.; Barentsen, G.; Barlow, M. J.; Walsh, J. R.; Zijlstra, A.; Drake, J. J. et al. (2013-10-16). “The ionized nebula surrounding the red supergiant W26 in Westerlund 1”. Monthly Notices of the Royal Astronomical Society: Letters437 (1): L1–L5. arXiv:1309.4086. Bibcode: 2014MNRAS.437L...1W. doi:10.1093/mnrasl/slt127.
Westerlund, Bengt (1961). “A Heavily Reddened Cluster in ARA”. Publications of the Astronomical Society of the Pacific73: 51. Bibcode: 1961PASP...73...51W. doi:10.1086/127618.
Westerlund, B. E. (1987). “Photometry and spectroscopy of stars in the region of a highly reddened cluster in ARA”. Astronomy and Astrophysics Supplement Series (ISSN 0365-0138)70: 311. Bibcode: 1987A&AS...70..311W.
Borgman, J.; Koornneef, J.; Slingerland, J. (1970). “Infra-red photometry of a heavily reddened cluster in Ara”. Astronomy and Astrophysics4: 248. Bibcode: 1970A&A.....4..248B.
Clark, J. S.; Fender, R. P.; Waters, L. B. F. M.; Dougherty, S. M.; Korrnneef, J.; Steele, I. A.; Van Blokland, A. (1998). “Discovery of extended radio emission in the young cluster Wd1”. Monthly Notices of the Royal Astronomical Society299 (4): L43. arXiv:astro-ph/9807303. Bibcode: 1998MNRAS.299L..43C. doi:10.1046/j.1365-8711.1998.02038.x.