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JADES-GS-z14-0

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Lyman-Break galaxy and furthest galaxy ever discovered
JADES-GS-z14-0
JADES-GS-z14-0, as seen by NIRCam
Observation data (J2000 epoch)
ConstellationFornax
Right ascension03 32 36.89
Declination−27° 46′ 49.33″
Redshift14.32+0.08
−0.20
Characteristics
TypeLyman-break galaxy

JADES-GS-z14-0 is a high-redshift Lyman-Break galaxy in the constellation Fornax that was discovered in 2024 using NIRcam as part of the JWST Advanced Deep Extragalactic Survey (JADES) program. It has a redshift of 14.32, making it the most distant galaxy and astronomical object ever discovered.

Discovery

JADES-GS-z14-0 was observed using the James Webb Space Telescope's Near-Infrared Spectrograph (NIRSpec) in 2024, and it measured a redshift of 14.32, placing the galaxy's formation at an estimated 290 million years after the Big Bang. Its age, size, and luminosity added to a growing body of evidence that current theories of early star and galaxy formation are incomplete.

Characteristics

JADES-GS-z14-0 is 1600 light years wide and very luminous. Spectroscopic analysis revealed the presence of strong ionized gas emissions, including hydrogen and oxygen.

Further observations

The initial identification of JADES-GS-z14-0 came from imaging data obtained with JWST’s Near-Infrared Camera (NIRCam). The high-redshift hypothesis was confirmed through multiple spectroscopic observations with NIRSpec. Additionally, observations using JWST's Mid-Infrared Instrument (MIRI) detected the galaxy at longer wavelengths, which support the extreme distance at which JADES-GS-z14-0 is located.

See also

References

  1. Cesari, Thaddeus (2024-05-30). "NASA's James Webb Space Telescope Finds Most Distant Known Galaxy". James Webb Space Telescope. Retrieved 2024-06-05.
  2. Carniani, Stefano; Hainline, Kevin; D'Eugenio, Francesco; Eisenstein, Daniel J.; Jakobsen, Peter; Witstok, Joris; Johnson, Benjamin D.; Chevallard, Jacopo; Maiolino, Roberto; Helton, Jakob M.; Willott, Chris; Robertson, Brant; Alberts, Stacey; Arribas, Santiago; Baker, William M.; Bhatawdekar, Rachana; Boyett, Kristan; Bunker, Andrew J.; Cameron, Alex J.; Cargile, Phillip A.; Charlot, Stéphane; Curti, Mirko; Curtis-Lake, Emma; Egami, Eiichi; Giardino, Giovanna; Isaak, Kate; Ji, Zhiyuan; Jones, Gareth C.; Maseda, Michael V.; Parlanti, Eleonora; Rawle, Tim; Rieke, George; Rieke, Marcia; Del Pino, Bruno Rodríguez; Saxena, Aayush; Scholtz, Jan; Smit, Renske; Sun, Fengwu; Tacchella, Sandro; Übler, Hannah; Venturi, Giacomo; Williams, Christina C.; Willmer, Christopher N. A. (28 May 2024). "Spectroscopic confirmation of two luminous galaxies at a redshift of 14". Nature. 633 (8029): 318–322. arXiv:2405.18485. Bibcode:2024Natur.633..318C. doi:10.1038/s41586-024-07860-9. PMC 11390484. PMID 39074505.
  3. Todd, Iain (27 September 2024). "Webb discovers the most distant galaxy ever seen, existing shortly after the Big Bang during the Cosmic Dawn". Sky at Night Magazine. Retrieved 2024-06-05.
  4. ^ Lea, Robert (2024-05-30). "James Webb Space Telescope spots the most distant galaxy ever seen (image)". Space.com. Retrieved 2024-06-05.
  5. "Journey to Cosmic Dawn: James Webb Space Telescope Finds Oldest Galaxy Ever". James Webb Space Telescope Discoveries Tracker. 2024-05-30. Retrieved 2024-06-05.
  6. ^ Overbye, Dennis (2024-06-22). "Piping Up at the Gates of Dawn". The New York Times. ISSN 0362-4331. Retrieved 2024-06-22.
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