UNCOVER-z13
UNCOVER-z13 | |
---|---|
UNCOVER-z13, as observed by the JWST on September 10, 2023 | |
Observation data (J2000 epoch) | |
Constellation | Sculptor |
Right ascension | 3.57087 |
Declination | −30.40158 |
Redshift | 13 |
Distance | 32.56 gly |
Characteristics | |
Type | Lyman-break galaxy |
UNCOVER-z13 is a high-redshift Lyman-break galaxy discovered by the James Webb Space Telescope (JWST)[1] during NIRCam imaging for the JWST Ultradeep NIRSpec and NIRCam Observations before the Epoch of Reionization (UNCOVER) project[2] on November 14, 2023. UNCOVER-z13 is within Abell 2744 supercluster in the constellation Sculptor.[3]
Morphology
UNCOVER-z13 is a Lyman-Break galaxy,[4] and not much more is known about the exact shape of the galaxy.
Discovery
UNCOVER-z13 was first observed when large amounts of gravitational lensing from Abell 2744 made the galaxy visible. Abell 2744 is around 3.5 billion light-years away from the Milky Way. The gravity of Abell 2744 warps the fabric of space-time sufficiently to magnify the light of more faraway galaxies. The James Webb Space Telescope used the gravitational lensing to discover UNCOVER-z13.
UNCOVER-z12
UNCOVER-z12 is a second galaxy which was discovered around the same time. UNCOVER-z12 has a redshift of 12.393, making it the fourth-most distant object ever observed.[5] It is a Lyman-Break galaxy, and was discovered using the same methods as UNCOVER-z13.
Gallery
See also
- List of the most distant astronomical objects
- JADES-GS-z14-0, furthest galaxy ever recorded
- JADES-GS-z13-0, former furthest galaxy ever recorded
References
- ^ Bonora, Elisabetta (2023-11-21). "Confermate due galassie lontane lontane". www.aliveuniverse.today (in Italian). Retrieved 2024-04-18.
- ^ Keith Cooper (2023-11-14). "James Webb Space Telescope finds 2 of the most distant galaxies ever seen". Space.com. Retrieved 2024-04-18.
- ^ "Second-most distant galaxy discovered using James Webb Space Telescope | Eberly College of Science". science.psu.edu. Retrieved 2024-04-18.
- ^ Wang, Bingjie; Fujimoto, Seiji; Labbé, Ivo; Furtak, Lukas J.; Miller, Tim B.; Setton, David J.; Zitrin, Adi; Atek, Hakim; Bezanson, Rachel; Brammer, Gabriel; Leja, Joel; Oesch, Pascal A.; Price, Sedona H.; Chemerynska, Iryna; Cutler, Sam E. (November 2023). "UNCOVER: Illuminating the Early Universe—JWST/NIRSpec Confirmation of z > 12 Galaxies". The Astrophysical Journal Letters. 957 (2): L34. arXiv:2308.03745. Bibcode:2023ApJ...957L..34W. doi:10.3847/2041-8213/acfe07. ISSN 2041-8205.
- ^ "Meet Two of the Oldest Galaxies in the Universe". Inverse. 2024-02-20. Retrieved 2024-04-18.
External links
- UNCOVER-z13 at the JWST Feed
- UNCOVER-z13 at IOPScience.org
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