COSMOS

COSMOS( Cosmic Evolution Survey )

Field

• 2 square degree
• equatorial, for easy access to telescopes in both hemispheres

RA (J2000) = 10:00:28.6
DEC (J2000) = +02:12:21.0 

Photometry

• HST ACS (IAB > 27 mag )
• WFC3 NIR
• UltraVISTA (YJHKs,Halpha(z=0.8_
• XMM-Newton
• Chandra
• GALEX
• CFHT
• Subaru
• Spitzer
• Hersechel (sub-millimeter)
• AzTEC, MAMBO (millimeter)
• VLA (radio)
• CANDELS

Spectra

• zCOSMOS

• VLT using the VIMOS spectrograph

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

样本

• X-ray group sample

红移在0.2-12， 276 extended source identified from co-added XMM-Newton images