COSMOS-Web Public Data Release 1
This page hosts the public data release for COSMOS-Web, including:
- Reduced NIRCam and MIRI mosaics
- Aperture and model-based photometric catalogs
- Photometric redshifts & physical properties for ~780k galaxies
- Interactive map viewer over the full field
Updates
- 2026-05-04: Multi-band morphological measurements from GALFITM are now available.
- 2026-05-04: Catalog updated to v1.1; download links updated in-place. Photometry and photometric redshifts have been recomputed with corrected MIRI photometry in tiles B5, B9, and B10.
- 2025-12-10: Large scale structure density maps up to z = 7 are now available under additional data products.
- 2025-11-19: Galaxy group catalogs from 2 < z < 3.7 are now available under additional data products.
- 2025-11-19: HSC and JWST starmasks are now available under catalog/download.
- 2025-11-19: Point spread functions used for SE++ model-based photometry are now available under catalog/download.
- 2025-06-15: MIRI F770W mosaics for A5 and B10 have been updated in-place to fix an astrometry issue in visit 114.
- 2025-06-26: MIRI F770W mosaic for tile B9 has been updated in-place include the previously missing visit 32.