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Arzoumanian, Z.; Joshi, K.; Rasio, F. A.; Thorsett, S. E.; Joshi; Rasio; Thorsett (1999). "Orbital Parameters of the PSR B1620-26 Triple System". Proceedings of the 160th colloquium of the International Astronomical Union. Cilt 105. s. 525. arXiv:astro-ph/9605141 $2. Bibcode:1996astro.ph..5141A.KB1 bakım: Birden fazla ad: yazar listesi (link)
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Gnedin, Oleg Y.; Lee, Hyung Mok; Ostriker, Jeremiah P. (Eylül 1999). "Effects of Tidal Shocks on the Evolution of Globular Clusters". The Astrophysical Journal. 522 (2). ss. 935-949. arXiv:astro-ph/9806245 $2. Bibcode:1999ApJ...522..935G. doi:10.1086/307659.KB1 bakım: Birden fazla ad: yazar listesi (link)
Huxor, A. P.; Tanvir, N. R.; Irwin, M. J.; R. Ibata (2005). "A new population of extended, luminous, star clusters in the halo of M31". Monthly Notices of the Royal Astronomical Society. 360 (3). ss. 993-1006. arXiv:astro-ph/0412223 $2. Bibcode:2005MNRAS.360.1007H. doi:10.1111/j.1365-2966.2005.09086.x.KB1 bakım: Birden fazla ad: yazar listesi (link)
Kenneth Janes (Kasım 2000). "Star Clusters"(PDF). Encyclopedia of Astronomy and Astrophysics. s. 2. 1 Temmuz 2015 tarihinde kaynağından arşivlendi(PDF). Erişim tarihi: 26 Mart 2014.
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Bekki, K.; Freeman, K. C. (Aralık 2003). "Formation of ω Centauri from an ancient nucleated dwarf galaxy in the young Galactic disc". Monthly Notices of the Royal Astronomical Society. 346 (2). ss. L11-L15. arXiv:astro-ph/0310348 $2. Bibcode:2003MNRAS.346L..11B. doi:10.1046/j.1365-2966.2003.07275.x.KB1 bakım: Birden fazla ad: yazar listesi (link)
Harris, W. E. (1976). "Spatial structure of the globular cluster system and the distance to the galactic center". Astronomical Journal. Cilt 81. ss. 1095-1116. Bibcode:1976AJ.....81.1095H. doi:10.1086/111991.
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Leonard, Peter J. T. (1989). "Stellar collisions in globular clusters and the blue straggler problem". The Astronomical Journal. Cilt 98. ss. 217-226. Bibcode:1989AJ.....98..217L. doi:10.1086/115138.
Staneva, A.; Spassova, N.; Golev, V. (1996). "The Ellipticities of Globular Clusters in the Andromeda Galaxy". Astronomy and Astrophysics Supplement. 116 (3). ss. 447-461. Bibcode:1996A&AS..116..447S. doi:10.1051/aas:1996127.KB1 bakım: Birden fazla ad: yazar listesi (link)
Djorgovski, S.; King, I. R. (1986). "A preliminary survey of collapsed cores in globular clusters". Astrophysical Journal. Cilt 305. ss. L61-L65. Bibcode:1986ApJ...305L..61D. doi:10.1086/184685.KB1 bakım: Birden fazla ad: yazar listesi (link)
Spitzer, L., Jr. (Haziran 2–4, 1986). P. Hut and S. McMillan (Ed.). Dynamical Evolution of Globular Clusters. The Use of Supercomputers in Stellar Dynamics, Proceedings of a Workshop Held at the Institute for Advanced Study. 267. Princeton, USA: Springer-Verlag, Berlin Heidelberg New York. s. 3. Bibcode:1986LNP...267....3S. doi:10.1007/BFb0116388.KB1 bakım: Editörler parametresini kullanan (link)
Gnedin, Oleg Y.; Lee, Hyung Mok; Ostriker, Jeremiah P. (Eylül 1999). "Effects of Tidal Shocks on the Evolution of Globular Clusters". The Astrophysical Journal. 522 (2). ss. 935-949. arXiv:astro-ph/9806245 $2. Bibcode:1999ApJ...522..935G. doi:10.1086/307659.KB1 bakım: Birden fazla ad: yazar listesi (link)
Secker, Jeff (1992). "A Statistical Investigation into the Shape of the Globular cluster Luminosity Distribution". Astronomical Journal. 104 (4). ss. 1472-1481. Bibcode:1992AJ....104.1472S. doi:10.1086/116332.
Huxor, A. P.; Tanvir, N. R.; Irwin, M. J.; R. Ibata (2005). "A new population of extended, luminous, star clusters in the halo of M31". Monthly Notices of the Royal Astronomical Society. 360 (3). ss. 993-1006. arXiv:astro-ph/0412223 $2. Bibcode:2005MNRAS.360.1007H. doi:10.1111/j.1365-2966.2005.09086.x.KB1 bakım: Birden fazla ad: yazar listesi (link)
Ashman, Keith M.; Zepf, Stephen E. (1992). "The formation of globular clusters in merging and interacting galaxies". Astrophysical Journal, Part 1. Cilt 384. ss. 50-61. Bibcode:1992ApJ...384...50A. doi:10.1086/170850.KB1 bakım: Birden fazla ad: yazar listesi (link)
Hogg, Helen Battles Sawyer (1965). "Harlow Shapley and Globular Clusters". Publications of the Astronomical Society of the Pacific. 77 (458). ss. 336-46. Bibcode:1965PASP...77..336S. doi:10.1086/128229.
Chaboyer, B. Globular Cluster Age Dating. Astrophysical Ages and Times Scales, ASP Conference Series. 245. ss. 162-172. Bibcode:2001ASPC..245..162C.
Piotto, Giampaolo (Haziran 2009). Observations of multiple populations in star clusters. The Ages of Stars, Proceedings of the International Astronomical Union, IAU Symposium. 258. ss. 233-244. Bibcode:2009IAUS..258..233P. doi:10.1017/S1743921309031883.
Elmegreen, B. G.; Efremov, Y. N. (1999). "A Universal Formation Mechanism for Open and Globular Clusters in Turbulent Gas". Astrophysical Journal. 480 (2). s. 235. Bibcode:1997ApJ...480..235E. doi:10.1086/303966.KB1 bakım: Birden fazla ad: yazar listesi (link)
Arzoumanian, Z.; Joshi, K.; Rasio, F. A.; Thorsett, S. E.; Joshi; Rasio; Thorsett (1999). "Orbital Parameters of the PSR B1620-26 Triple System". Proceedings of the 160th colloquium of the International Astronomical Union. Cilt 105. s. 525. arXiv:astro-ph/9605141 $2. Bibcode:1996astro.ph..5141A.KB1 bakım: Birden fazla ad: yazar listesi (link)
Bekki, K.; Freeman, K. C. (Aralık 2003). "Formation of ω Centauri from an ancient nucleated dwarf galaxy in the young Galactic disc". Monthly Notices of the Royal Astronomical Society. 346 (2). ss. L11-L15. arXiv:astro-ph/0310348 $2. Bibcode:2003MNRAS.346L..11B. doi:10.1046/j.1365-2966.2003.07275.x.KB1 bakım: Birden fazla ad: yazar listesi (link)
Harris, W. E. (1976). "Spatial structure of the globular cluster system and the distance to the galactic center". Astronomical Journal. Cilt 81. ss. 1095-1116. Bibcode:1976AJ.....81.1095H. doi:10.1086/111991.
Leonard, P. J. t. (1989). "Stellar collisions in globular clusters and the blue straggler problem". The Astrophysical Journal. Cilt 98. s. 217. Bibcode:1989AJ.....98..217L. doi:10.1086/115138.
Leonard, Peter J. T. (1989). "Stellar collisions in globular clusters and the blue straggler problem". The Astronomical Journal. Cilt 98. ss. 217-226. Bibcode:1989AJ.....98..217L. doi:10.1086/115138.
Staneva, A.; Spassova, N.; Golev, V. (1996). "The Ellipticities of Globular Clusters in the Andromeda Galaxy". Astronomy and Astrophysics Supplement. 116 (3). ss. 447-461. Bibcode:1996A&AS..116..447S. doi:10.1051/aas:1996127.KB1 bakım: Birden fazla ad: yazar listesi (link)
Frenk, C. S.; White, S. D. M. (1980). "The ellipticities of Galactic and LMC globular clusters". Monthly Notices of the Royal Astronomical Society. 286 (3). ss. L39-L42. arXiv:astro-ph/9702024 $2. Bibcode:1997astro.ph..2024G.KB1 bakım: Birden fazla ad: yazar listesi (link)
Djorgovski, S.; King, I. R. (1986). "A preliminary survey of collapsed cores in globular clusters". Astrophysical Journal. Cilt 305. ss. L61-L65. Bibcode:1986ApJ...305L..61D. doi:10.1086/184685.KB1 bakım: Birden fazla ad: yazar listesi (link)
Spitzer, L., Jr. (Haziran 2–4, 1986). P. Hut and S. McMillan (Ed.). Dynamical Evolution of Globular Clusters. The Use of Supercomputers in Stellar Dynamics, Proceedings of a Workshop Held at the Institute for Advanced Study. 267. Princeton, USA: Springer-Verlag, Berlin Heidelberg New York. s. 3. Bibcode:1986LNP...267....3S. doi:10.1007/BFb0116388.KB1 bakım: Editörler parametresini kullanan (link)
Gnedin, Oleg Y.; Lee, Hyung Mok; Ostriker, Jeremiah P. (Eylül 1999). "Effects of Tidal Shocks on the Evolution of Globular Clusters". The Astrophysical Journal. 522 (2). ss. 935-949. arXiv:astro-ph/9806245 $2. Bibcode:1999ApJ...522..935G. doi:10.1086/307659.KB1 bakım: Birden fazla ad: yazar listesi (link)
Secker, Jeff (1992). "A Statistical Investigation into the Shape of the Globular cluster Luminosity Distribution". Astronomical Journal. 104 (4). ss. 1472-1481. Bibcode:1992AJ....104.1472S. doi:10.1086/116332.
Huxor, A. P.; Tanvir, N. R.; Irwin, M. J.; R. Ibata (2005). "A new population of extended, luminous, star clusters in the halo of M31". Monthly Notices of the Royal Astronomical Society. 360 (3). ss. 993-1006. arXiv:astro-ph/0412223 $2. Bibcode:2005MNRAS.360.1007H. doi:10.1111/j.1365-2966.2005.09086.x.KB1 bakım: Birden fazla ad: yazar listesi (link)
hubblesite.org
The Hubble Heritage team (1 Temmuz 1999). "Hubble Images a Swarm of Ancient Stars". HubbleSite News Desk. Space Telescope Science Institute. 7 Ekim 2008 tarihinde kaynağından arşivlendi. Erişim tarihi: 26 Mayıs 2006.
Savage, D.; Neal, N.; Villard, R.; Johnson, R.; Lebo, H. (17 Eylül 2002). "Hubble Discovers Black Holes in Unexpected Places". HubbleSite. Space Telescope Science Institute. 19 Kasım 2003 tarihinde kaynağından arşivlendi. Erişim tarihi: 25 Mayıs 2006.KB1 bakım: Birden fazla ad: yazar listesi (link)
Benacquista, Matthew J. (2006). "Globular cluster structure". Living Reviews in Relativity. 13 Ekim 2006 tarihinde kaynağından arşivlendi. Erişim tarihi: 14 Ağustos 2006.
"Globular Cluster M10". ESA/Hubble Picture of the Week. 20 Haziran 2012 tarihinde kaynağından arşivlendi. Erişim tarihi: 18 Haziran 2012.
stsci.edu
www-int.stsci.edu
van der Marel, Roeland (3 Mart 2002). "Black Holes in Globular Clusters". Space Telescope Science Institute. 12 Temmuz 2012 tarihinde kaynağından arşivlendi. Erişim tarihi: 8 Haziran 2006.
The Hubble Heritage team (1 Temmuz 1999). "Hubble Images a Swarm of Ancient Stars". HubbleSite News Desk. Space Telescope Science Institute. 7 Ekim 2008 tarihinde kaynağından arşivlendi. Erişim tarihi: 26 Mayıs 2006.
van der Marel, Roeland (3 Mart 2002). "Black Holes in Globular Clusters". Space Telescope Science Institute. 12 Temmuz 2012 tarihinde kaynağından arşivlendi. Erişim tarihi: 8 Haziran 2006.
Savage, D.; Neal, N.; Villard, R.; Johnson, R.; Lebo, H. (17 Eylül 2002). "Hubble Discovers Black Holes in Unexpected Places". HubbleSite. Space Telescope Science Institute. 19 Kasım 2003 tarihinde kaynağından arşivlendi. Erişim tarihi: 25 Mayıs 2006.KB1 bakım: Birden fazla ad: yazar listesi (link)
Benacquista, Matthew J. (2006). "Globular cluster structure". Living Reviews in Relativity. 13 Ekim 2006 tarihinde kaynağından arşivlendi. Erişim tarihi: 14 Ağustos 2006.
Kenneth Janes (Kasım 2000). "Star Clusters"(PDF). Encyclopedia of Astronomy and Astrophysics. s. 2. 1 Temmuz 2015 tarihinde kaynağından arşivlendi(PDF). Erişim tarihi: 26 Mart 2014.