1. ORELSE in the Radio : AGN and Starbursts in High-Redshift Structures The Observations of Redshift Evolution in Large Scale Environments Survey Lori Lubin (UCD) Chris Fassnacht (UCD) and Neal Miller (UMD)

2. The ORELSE Survey Strategy COSMOS AEGIS ORELSE Search for LSS around 20 X-ray and optically selected clusters at 0.6 < z < 1.3 using deep, wide-field (30´) imaging in r´, i´, z´, J, K with: LFC & WIRC - Palomar 5m Suprime-Cam - Subaru 8m WFCAM - UKIRT 4m High-resolution, multi-object spectroscopy with DEIMOS Multi-wavelength follow-up observations to study active galaxy population: Optical - HST X-ray - Chandra Radio – VLA MIR – Spitzer Lubin et al. 2009

4. Overdensity of Radio Sources Cl 1604 Supercluster at z = 0.9 563 radio sources detected 143 with measured redshifts 44 confirmed members

5. Distribution of Radio Power in Five Structures at z = 0.7 – 1.0

6. Evolution in the Radio Luminosity Luminosity evolution generally consistent with (1+z) 3, consistent with other active galaxy populations Best et al. 2002

7. Spatial Distribution of Radio Members X-ray-Selected Cluster at z = 0.82Group-Group Merger at z = 0.84

8. Spatial Distribution of Radio Members Evolution in the Supercluster Environment between z = 0.9 and 0.7?

9. Colors of Radio Members Evolution in the Supercluster Environment between z = 0.9 and 0.7?

10. Colors of Radio Members Evolution in the Supercluster Environment between z = 0.9 and 0.7?

11. Radio Galaxy Morphologies High Radio Power Bulge dominated, largely early- type galaxies Low Radio Power Mix of morphologies

12. “Quasar-Mode” versus “Radio-Mode”

13. ORELSE in the Radio Goals Evolution of cluster radio population from z = 0 to 1 Dependence of radio active fraction and radio luminosity function on global cluster properties and environment Comparison between SFRs measured from radio power and other techniques ([OII], mid-IR) Evolutionary sequence connecting X-ray and radio AGN Evolution in BCG properties Effect of AGN on cluster ICM