The DEEP2 Galaxy Redshift Survey: AEGIS Observations of a Dual AGN at z = 0.7

@article{Gerke2007TheDG,
  title={The DEEP2 Galaxy Redshift Survey: AEGIS Observations of a Dual AGN at z = 0.7},
  author={Brian F. Gerke and Jeffrey A. Newman and Jennifer Lotz and Ren-bin Yan and Pauline Barmby and Alison L. Coil and Christopher J. Conselice and R. J. Ivison and Lihwai Lin and David C. Koo and K. Nandra and Samir Salim and Todd A. Small and Benjamin J. Weiner and Michael C. Cooper and Marc Davis and S. M. Faber and Puragra Guhathakurta},
  journal={The Astrophysical Journal},
  year={2007},
  volume={660}
}
We present evidence of a dual active galactic nucleus (AGN) within an early-type galaxy at z = 0.709 in the extended Groth strip. The galaxy lies on the red sequence, with absolute magnitude M_B = -21.0 (AB, with h = 0.7) and rest-frame color U - B = 1.38. Its optical spectrum shows strong, double-peaked [O III] emission lines and weak Hβ emission, with Seyfert-like line ratios. The two narrow peaks are separated by 630 km s^(-1) in velocity and arise from two distinct regions, spatially… 
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