Most distant galaxy proto-supercluster (unannotated)
noirlab_noirlab2622a September 8th, 2026
Credit: CTIO/NOIRLab/DOE/NSF/AURAImage Processing: T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), M. Zamani & D. de Martin (NSF NOIRLab)
Captured within this image is the newly discovered galaxy proto-supercluster named COSMOS-z3.1-A. A proto-supercluster is a loose collection of galaxies that will one day coalesce into a stable ‘cluster-of-clusters’ of galaxies. Having been observed when the Universe was only 2.1 billion years old, COSMOS-z3.1-A is the earliest, most distant proto-supercluster ever found, and it boasts an impressive mass 5000 times that of the Milky Way Galaxy. COSMOS-z3.1-A was discovered using data from the One-hundred-deg2 DECam Imaging in Narrowbands (ODIN) survey. This survey is conducted with the DOE-fabricated Dark Energy Camera (DECam), mounted on the NSF Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory (CTIO) in Chile, a program of NSF NOIRLab. The members of the proto-supercluster are difficult to see in this image due to their expansive distribution against a crowded background. View this annotated version of the image to see the members of COSMOS-z3.1-A. See an animated 3D model of COSMOS-z3.1-A here.
Provider: NOIRLab
Image Source: https://noirlab.edu/public/images/noirlab2622a/
Curator: NSF's NOIRLab, Tucson, AZ, USA
Image Use Policy: Creative Commons Attribution 4.0 International License
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Full Size Image
(12667 x 11817)
Source TIFF (857 MB)
Image Details
Position Details
Color Mapping
| Telescope | Spectral Band | Wavelength | |
|---|---|---|---|
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NSF Víctor M. Blanco 4-meter Telescope (DECam) | Optical (r) | 642.0 nm |
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NSF Víctor M. Blanco 4-meter Telescope (DECam) | Optical (N673) | 673.0 nm |
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NSF Víctor M. Blanco 4-meter Telescope (DECam) | Optical (N501) | 501.0 nm |
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NSF Víctor M. Blanco 4-meter Telescope (DECam) | Optical (N419) | 419.5 nm |
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NSF Víctor M. Blanco 4-meter Telescope (DECam) | Optical (i) | 784.0 nm |
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NSF Víctor M. Blanco 4-meter Telescope (DECam) | Optical (g) | 473.0 nm |
- ID
- noirlab2622a
- Subject Category
- Subject Name
- COSMOS
- Credits
- CTIO/NOIRLab/DOE/NSF/AURAImage Processing: T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), M. Zamani & D. de Martin (NSF NOIRLab)
- Release Date
- 2026-09-08T10:00:00
- Lightyears
- Redshift
- Reference Url
- https://noirlab.edu/public/images/noirlab2622a/
- Type
- Observation
- Image Quality
- Distance Notes
- Facility
- NSF Víctor M. Blanco 4-meter Telescope, NSF Víctor M. Blanco 4-meter Telescope, NSF Víctor M. Blanco 4-meter Telescope, NSF Víctor M. Blanco 4-meter Telescope, NSF Víctor M. Blanco 4-meter Telescope, NSF Víctor M. Blanco 4-meter Telescope
- Instrument
- DECam, DECam, DECam, DECam, DECam, DECam
- Color Assignment
- Green, Red, Green, Blue, Red, Blue
- Band
- Optical, Optical, Optical, Optical, Optical, Optical
- Bandpass
- r, N673, N501, N419, i, g
- Central Wavelength
- 642, 673, 501, 419.5, 784, 473
- Start Time
- Integration Time
- Dataset ID
- None, None, None, None, None, None
- Notes
- Coordinate Frame
- ICRS
- Equinox
- J2000
- Reference Value
- 150.799974263, 2.66817421596
- Reference Dimension
- 12667.0, 11817.0
- Reference Pixel
- 6334.0, 5908.0
- Scale
- -7.49821295688365e-05, 7.49869523105002e-05
- Rotation
- -0.034013840602881
- Coordinate System Projection:
- TAN
- Quality
- Full
- FITS Header
- Notes
- Creator (Curator)
- NSF's NOIRLab
- URL
- https://noirlab.edu
- Name
- Telephone
- Address
- 950 North Cherry Ave.
- City
- Tucson
- State/Province
- AZ
- Postal Code
- 85719
- Country
- USA
- Rights
- Creative Commons Attribution 4.0 International License
- Publisher
- NSF's NOIRLab
- Publisher ID
- noirlab
- Resource ID
- noirlab2622a
- Resource URL
- https://noirlab.edu/public/resources/image/original/noirlab2622a.tif
- Related Resources
- Metadata Date
- 2026-03-05T14:47:40+01:00
- Metadata Version
- 1.1
Detailed color mapping information coming soon...
