Hur، Hyeonoh؛ Park، Byeong-Gon؛ Sung، Hwankyung؛ Bessell، Michael S.؛ Lim، Beomdu؛ Chun، Moo-Young؛ Sohn، Sangmo Tony (2015). "Reddening, distance, and stellar content of the young open cluster Westerlund 2". Monthly Notices of the Royal Astronomical Society. ج. 446 ع. 4: 3797–3819. arXiv:1411.0879. Bibcode:2015MNRAS.446.3797H. DOI:10.1093/mnras/stu2329.
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Hur، Hyeonoh؛ Park، Byeong-Gon؛ Sung، Hwankyung؛ Bessell، Michael S.؛ Lim، Beomdu؛ Chun، Moo-Young؛ Sohn، Sangmo Tony (2015). "Reddening, distance, and stellar content of the young open cluster Westerlund 2". Monthly Notices of the Royal Astronomical Society. ج. 446 ع. 4: 3797–3819. arXiv:1411.0879. Bibcode:2015MNRAS.446.3797H. DOI:10.1093/mnras/stu2329.
Ascenso، J.؛ Alves، J.؛ Beletsky، Y.؛ Lago، M. T. V. T. (2007). "Near-IR imaging of Galactic massive clusters: Westerlund 2". Astronomy and Astrophysics. ج. 466: 137–149. Bibcode:2007A&A...466..137A. DOI:10.1051/0004-6361:20066433.
Moffat؛ وآخرون (1 أغسطس 1961). "New Wolf-Rayet stars in Galactic open clusters - Sher 1 and the giant H II region core Westerlund 2". Astronomical Journal. ج. 102: 642–653. Bibcode:1991AJ....102..642M. DOI:10.1086/115897.
Hur، Hyeonoh؛ Park، Byeong-Gon؛ Sung، Hwankyung؛ Bessell، Michael S.؛ Lim، Beomdu؛ Chun، Moo-Young؛ Sohn، Sangmo Tony (2015). "Reddening, distance, and stellar content of the young open cluster Westerlund 2". Monthly Notices of the Royal Astronomical Society. ج. 446 ع. 4: 3797–3819. arXiv:1411.0879. Bibcode:2015MNRAS.446.3797H. DOI:10.1093/mnras/stu2329.
Ascenso، J.؛ Alves، J.؛ Beletsky، Y.؛ Lago، M. T. V. T. (2007). "Near-IR imaging of Galactic massive clusters: Westerlund 2". Astronomy and Astrophysics. ج. 466: 137–149. Bibcode:2007A&A...466..137A. DOI:10.1051/0004-6361:20066433.