COSMOS Observations: Spectroscopy

Major optical spectroscopy surveys for COSMOS are on-going:

• zCOSMOS
  
  • 540 hr on the ESO VLT using the VIMOS spectrograph
  • Two part survey:
    1. 25,000 galaxies at 0.3 < z < 1.0 with IAB < 22.5
    2. 12,500 star-forming galaxies color selected for 1.4 < z < 2.5
  • Goals:
    • redshift survey to identify and characterize environment
    • accurate census galaxy populations
    • targetted AGN & X-ray sources
  • Team: S. Lilly (PI) + 25 others
• Magellan COSMOS
  
  • 12 nights Spring 05 with IMACS spectrograph
  • 3000 galaxies sampling:
    1. passively-evolving galaxies at 1.4 < z < 2.5
    2. high redshift galaxies and AGN
  • Team PIs: C. Impey (Az), P. McCarthy (Carnegie), M. Elvis (CfA) and J. Huchra (CfA) + others
• Other Spectroscopy
  
  • Keck DEIMOS and LRIS:
    3 nights - Evolution of the Fundamental Plane , N. Scoville (PI) + 5 others
  • Galileo DOLORES and NICS:
    5 nights - Opt/IR Spect. of XBONG and EROs AGN , A. Comastri (PI) + 10 others