Gerke, Brian F.; Newman, Jeffrey A.; Lotz, Jennifer; Yan, Renbin; Barmby, P.; Coil, Alison L.; Conselice, Christopher J.; Ivison, R. J.; Lin, Lihwai; Koo, David C.; Nandra, Kirpal; Salim, Samir; Small, Todd; Weiner, Benjamin J.; Cooper, Michael C.; Davis, Marc; Faber, S. M.; Guhathakurta, Puragra; et al. (6 April 2007). "The DEEP2 Galaxy Redshift Survey: AEGIS Observations of a Dual AGN AT z p 0.7". The Astrophysical Journal Letters. 660 (1): L23–L26. arXiv:astro-ph/0608380. Bibcode:2007ApJ...660L..23G. doi:10.1086/517968. S2CID14320681.
Schawinski, Kevin; Urry, Meg; Treister, Ezequiel; Simmons, Brooke; Natarajan, Priyamvada; Glikman, Eilat (29 November 2011). "Evidence for Three Accreting Black Holes in a Galaxy at z ~ 1.35: A Snapshot of Recently Formed Black Hole Seeds?". The Astrophysical Journal Letters. 743 (2) (published December 2011): 6. arXiv:1111.6973. Bibcode:2011ApJ...743L..37S. doi:10.1088/2041-8205/743/2/L37. S2CID118497392. L37.
Liu, Xin; Shen, Yue; Strauss, Michael A. (18 April 2011). "Cosmic Train Wreck by Massive Black Holes: Discovery of a Kiloparsec-scale Triple Active Galactic Nucleus". The Astrophysical Journal Letters. 736 (1) (published July 2011): L7–L11. arXiv:1104.3391. Bibcode:2011ApJ...736L...7L. doi:10.1088/2041-8205/736/1/L7. S2CID118350891. L7.
Gerke, Brian F.; Newman, Jeffrey A.; Lotz, Jennifer; Yan, Renbin; Barmby, P.; Coil, Alison L.; Conselice, Christopher J.; Ivison, R. J.; Lin, Lihwai; Koo, David C.; Nandra, Kirpal; Salim, Samir; Small, Todd; Weiner, Benjamin J.; Cooper, Michael C.; Davis, Marc; Faber, S. M.; Guhathakurta, Puragra; et al. (6 April 2007). "The DEEP2 Galaxy Redshift Survey: AEGIS Observations of a Dual AGN AT z p 0.7". The Astrophysical Journal Letters. 660 (1): L23–L26. arXiv:astro-ph/0608380. Bibcode:2007ApJ...660L..23G. doi:10.1086/517968. S2CID14320681.
Schawinski, Kevin; Urry, Meg; Treister, Ezequiel; Simmons, Brooke; Natarajan, Priyamvada; Glikman, Eilat (29 November 2011). "Evidence for Three Accreting Black Holes in a Galaxy at z ~ 1.35: A Snapshot of Recently Formed Black Hole Seeds?". The Astrophysical Journal Letters. 743 (2) (published December 2011): 6. arXiv:1111.6973. Bibcode:2011ApJ...743L..37S. doi:10.1088/2041-8205/743/2/L37. S2CID118497392. L37.
Liu, Xin; Shen, Yue; Strauss, Michael A. (18 April 2011). "Cosmic Train Wreck by Massive Black Holes: Discovery of a Kiloparsec-scale Triple Active Galactic Nucleus". The Astrophysical Journal Letters. 736 (1) (published July 2011): L7–L11. arXiv:1104.3391. Bibcode:2011ApJ...736L...7L. doi:10.1088/2041-8205/736/1/L7. S2CID118350891. L7.
Gerke, Brian F.; Newman, Jeffrey A.; Lotz, Jennifer; Yan, Renbin; Barmby, P.; Coil, Alison L.; Conselice, Christopher J.; Ivison, R. J.; Lin, Lihwai; Koo, David C.; Nandra, Kirpal; Salim, Samir; Small, Todd; Weiner, Benjamin J.; Cooper, Michael C.; Davis, Marc; Faber, S. M.; Guhathakurta, Puragra; et al. (6 April 2007). "The DEEP2 Galaxy Redshift Survey: AEGIS Observations of a Dual AGN AT z p 0.7". The Astrophysical Journal Letters. 660 (1): L23–L26. arXiv:astro-ph/0608380. Bibcode:2007ApJ...660L..23G. doi:10.1086/517968. S2CID14320681.
Schawinski, Kevin; Urry, Meg; Treister, Ezequiel; Simmons, Brooke; Natarajan, Priyamvada; Glikman, Eilat (29 November 2011). "Evidence for Three Accreting Black Holes in a Galaxy at z ~ 1.35: A Snapshot of Recently Formed Black Hole Seeds?". The Astrophysical Journal Letters. 743 (2) (published December 2011): 6. arXiv:1111.6973. Bibcode:2011ApJ...743L..37S. doi:10.1088/2041-8205/743/2/L37. S2CID118497392. L37.
Liu, Xin; Shen, Yue; Strauss, Michael A. (18 April 2011). "Cosmic Train Wreck by Massive Black Holes: Discovery of a Kiloparsec-scale Triple Active Galactic Nucleus". The Astrophysical Journal Letters. 736 (1) (published July 2011): L7–L11. arXiv:1104.3391. Bibcode:2011ApJ...736L...7L. doi:10.1088/2041-8205/736/1/L7. S2CID118350891. L7.
Gerke, Brian F.; Newman, Jeffrey A.; Lotz, Jennifer; Yan, Renbin; Barmby, P.; Coil, Alison L.; Conselice, Christopher J.; Ivison, R. J.; Lin, Lihwai; Koo, David C.; Nandra, Kirpal; Salim, Samir; Small, Todd; Weiner, Benjamin J.; Cooper, Michael C.; Davis, Marc; Faber, S. M.; Guhathakurta, Puragra; et al. (6 April 2007). "The DEEP2 Galaxy Redshift Survey: AEGIS Observations of a Dual AGN AT z p 0.7". The Astrophysical Journal Letters. 660 (1): L23–L26. arXiv:astro-ph/0608380. Bibcode:2007ApJ...660L..23G. doi:10.1086/517968. S2CID14320681.
Schawinski, Kevin; Urry, Meg; Treister, Ezequiel; Simmons, Brooke; Natarajan, Priyamvada; Glikman, Eilat (29 November 2011). "Evidence for Three Accreting Black Holes in a Galaxy at z ~ 1.35: A Snapshot of Recently Formed Black Hole Seeds?". The Astrophysical Journal Letters. 743 (2) (published December 2011): 6. arXiv:1111.6973. Bibcode:2011ApJ...743L..37S. doi:10.1088/2041-8205/743/2/L37. S2CID118497392. L37.
Liu, Xin; Shen, Yue; Strauss, Michael A. (18 April 2011). "Cosmic Train Wreck by Massive Black Holes: Discovery of a Kiloparsec-scale Triple Active Galactic Nucleus". The Astrophysical Journal Letters. 736 (1) (published July 2011): L7–L11. arXiv:1104.3391. Bibcode:2011ApJ...736L...7L. doi:10.1088/2041-8205/736/1/L7. S2CID118350891. L7.