The Cosmic Dawn Survey consist of a number of observational programs to collect complimentary multiwavelength data in the Euclid Missions Deep Fields and Calibration fields.
Euclid Deep Fields and Calibration Fields
Target limiting magnitudes
| Field | Area [deg2] | VIS | Y, J, H |
| North Ecliptic Pole | 10 | 27.2 | 26 |
| Chandra Deep Field South | 10 | 27.2 | 26 |
| South Ecliptic Pole | 20 | 27.2 | 26 |
| COSMOS | 4.4 | 26.9 | 25.7 |
| SXDF | 4.4 | 26.9 | 25.7 |
| VVDS | 0.5 | 26.9 | 25.7 |
| GOODS-N | 0.5 | 26.9 | 25.7 |
| EGS | 0.5 | 26.9 | 25.7 |
Hawaii-Two-0 Survey with Subaru/HSC
Target limiting magnitudes
| Field | Area [deg2] | g | r | i | z | y |
| North Ecliptic Pole | 10 | 27.5 | 27.5 | 27.0 | 26.5 | 26.0 |
| Chandra Deep Field South | 10 | 27.5 | 27.5 | 27.0 | 26.5 | 26.0 |
Euclid/WFIRST Spitzer Legacy Survey
Target limiting magnitudes
| Field | Area [deg2] | 3.6 micron | 4.5 micron |
| North Ecliptic Pole | 10 | 24.6 | 24.6 |
| Chandra Deep Field South | 10 | 24.6 | 24.6 |
| Euclid Deep Field South | 20 | 24.0 | 24.0 |
Large Scale Structure Survey with LMT/Toltec
Target sensitivity (mJy RMS)
| Field | Area [deg2] | 1.1 mm | 1.4 mm | 2.0 mm |
| North Ecliptic Pole | 10 | 0.26 | 0.24 | 0.18 |
| Chandra Deep Field South | 10 | 0.26 | 0.24 | 0.18 |
