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JADES-GS-z13-0

From Wikipedia, the free encyclopedia

JADES-GS-z13-0
James Webb Space Telescope NIRCam color composite image of JADES-GS-z13-0
Observation data (J2000 epoch)
ConstellationFornax
Right ascension03h 32m 35.97s[1]: 5 
Declination−27° 46′ 35.4″[1]: 5 
Redshift13.20+0.04
−0.07[1]: 5 
Distance
Apparent magnitude (V)29.43±0.14 AB (F200W)[1]: 5 
Absolute magnitude (V)−18.73±0.06 (UV)[3]: 6 
Characteristics
Mass8.91+4.89
−4.34×107[1]: 5  M☉
Other designations
JADES-GS+53.1499–27.7765,[1] DMM2023 UDF-22450
References: [1]: 5 [3]: 6 

JADES-GS-z13-0 is a high-redshift Lyman-break galaxy discovered by the James Webb Space Telescope (JWST) during NIRCam imaging for the JWST Advanced Deep Extragalactic Survey (JADES) on 29 September 2022. Spectroscopic observations by JWST's NIRSpec instrument in October 2022 confirmed the galaxy's redshift of z = 13.2 to a high accuracy, establishing it as the oldest and most distant spectroscopically-confirmed galaxy known as of 2023, with a light-travel distance (lookback time) of 13.4 billion years.[4][3] Due to the expansion of the universe, its present proper distance is approximately 33 billion light-years.[5]

JADES-GS-z13-0 is located in the Great Observatories Origins Deep Survey – South (GOODS-S) field in the constellation Fornax, which includes the Hubble Ultra Deep Field.[1][6]

A paper in April 2023 suggests that JADES-GS-z13-0 is not in fact a galaxy, but a dark star (a hypothetical type of star of the early universe) of approximately a million solar masses.[7]

James Webb Space Telescope NIRSpec spectra of four high-redshift galaxies including JADES-GS-z13-0

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Transcription

See also

References

  1. ^ a b c d e f g h Robertson, B. E.; et al. (2023). "Identification and properties of intense star-forming galaxies at redshifts z > 10". Nature Astronomy. 7 (5): 611–621. arXiv:2212.04480. Bibcode:2023NatAs...7..611R. doi:10.1038/s41550-023-01921-1. S2CID 257968812.
  2. ^ Wright, Edward L. (2022). "Ned Wright's Javascript Cosmology Calculator". University of California, Los Angeles. Retrieved 24 November 2022. (H0=67.4 and OmegaM=0.315 (see Table/Planck2018 at "Lambda-CDM model#Parameters" )
  3. ^ a b c Curtis-Lake, Emma; et al. (December 2022). "Spectroscopy of four metal-poor galaxies beyond redshift ten" (PDF). Nature. arXiv:2212.04568.
  4. ^ Cesari, Thaddeus (9 December 2022). "NASA's Webb Reaches New Milestone in Quest for Distant Galaxies". Retrieved 9 December 2022.
  5. ^ Carpineti, A. (9 December 2022). "JWST Confirms One Of The Furthest Galaxies Ever Discovered". IFLScience. Retrieved 7 April 2024.
  6. ^ Shen, Zili (16 December 2022). "JWST smashes the record for the earliest galaxy". Astrobites. Retrieved 16 December 2022.
  7. ^ Ilie, Cosmin; Paulin, Jillian; Freese, Katherine (1 April 2023). "Supermassive Dark Star candidates seen by JWST?". Proceedings of the National Academy of Sciences. 120 (30): e2305762120. arXiv:2304.01173. Bibcode:2023PNAS..12005762I. doi:10.1073/pnas.2305762120. PMC 10372643. PMID 37433001.
This page was last edited on 12 May 2024, at 19:25
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