Ghez, A. M.; 외. (December 2008). “Measuring Distance and Properties of the Milky Way's Central Supermassive Black Hole with Stellar Orbits”. 《Astrophysical Journal》 689 (2): 1044–1062. arXiv:0808.2870. Bibcode:2008ApJ...689.1044G. doi:10.1086/592738.
Ghez, A. M.; Salim, S.; Hornstein, S. D.; Tanner, A.; Lu, J. R.; Morris, M.; Becklin, E. E.; Duchêne, G. (May 2005). “Stellar Orbits around the Galactic Center Black Hole”. 《The Astrophysical Journal》 620 (2): 744–757. arXiv:astro-ph/0306130. Bibcode:2005ApJ...620..744G. doi:10.1086/427175.
Ghez, A. M.; 외. (December 2008). “Measuring Distance and Properties of the Milky Way's Central Supermassive Black Hole with Stellar Orbits”. 《Astrophysical Journal》 689 (2): 1044–1062. arXiv:0808.2870. Bibcode:2008ApJ...689.1044G. doi:10.1086/592738.
Ghez, A. M.; Salim, S.; Hornstein, S. D.; Tanner, A.; Lu, J. R.; Morris, M.; Becklin, E. E.; Duchêne, G. (May 2005). “Stellar Orbits around the Galactic Center Black Hole”. 《The Astrophysical Journal》 620 (2): 744–757. arXiv:astro-ph/0306130. Bibcode:2005ApJ...620..744G. doi:10.1086/427175.
Ghez, A. M.; 외. (December 2008). “Measuring Distance and Properties of the Milky Way's Central Supermassive Black Hole with Stellar Orbits”. 《Astrophysical Journal》 689 (2): 1044–1062. arXiv:0808.2870. Bibcode:2008ApJ...689.1044G. doi:10.1086/592738.
Ghez, A. M.; Salim, S.; Hornstein, S. D.; Tanner, A.; Lu, J. R.; Morris, M.; Becklin, E. E.; Duchêne, G. (May 2005). “Stellar Orbits around the Galactic Center Black Hole”. 《The Astrophysical Journal》 620 (2): 744–757. arXiv:astro-ph/0306130. Bibcode:2005ApJ...620..744G. doi:10.1086/427175.