Early-type galaxies at z = 1.3 - I. The Lynx supercluster: cluster and groups at z = 1.3. Morphology and color-magnitude relation

@article{Mei2012EarlytypeGA,
  title={Early-type galaxies at z = 1.3 - I. The Lynx supercluster: cluster and groups at z = 1.3. Morphology and color-magnitude relation},
  author={Simona Mei and S. A. Stanford and Bradford Holden and Anand Raichoor and Marc Postman and Fumiaki Nakata and Alexis Finoguenov and Holland Cole Ford and Garth D. Illingworth and Tadayuki Kodama and Piero Rosati and Masayuki Tanaka and Marc Huertas-Company and Alessandro Rettura and Francesco Shankar and Eleazar R. Carrasco and Ricardo Demarco and Peter Eisenhardt and M. James Jee and Yusei Koyama and Richard L. White},
  journal={The Astrophysical Journal},
  year={2012},
  volume={754},
  pages={141}
}
We confirm the detection of three groups in the Lynx supercluster, at z ≈ 1.3, through spectroscopic follow-up and X-ray imaging, and we give estimates for their redshifts and masses. We study the properties of the group galaxies compared to the two central clusters, RX J0849+4452 and RX J0848+4453. Using spectroscopic follow-up and multi-wavelength photometric redshifts, we select 89 galaxies in the clusters, of which 41 are spectroscopically confirmed, and 74 galaxies in the groups, of which… 
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