List of deep fields
In astronomy, a deep field is an image of a portion of the sky taken with a very long exposure time, in order to detect and study faint objects. The depth of the field refers to the apparent magnitude or the flux of the faintest objects that can be detected in the image.[2] Deep field observations usually cover a small angular area on the sky, because of the large amounts of telescope time required to reach faint flux limits. Deep fields are used primarily to study galaxy evolution and the cosmic evolution of active galactic nuclei, and to detect faint objects at high redshift. Numerous ground-based and space-based observatories have taken deep-field observations at wavelengths spanning radio to X-rays.
The first deep-field image to receive a great deal of public attention was the Hubble Deep Field, observed in 1995 with the WFPC2 camera on the Hubble Space Telescope. Other space telescopes that have obtained deep-field observations include the Chandra X-ray Observatory, the XMM-Newton Observatory, the Spitzer Space Telescope, and the James Webb Space Telescope.
Table
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The following table gives a partial list of deep-field observations taken since 1995.
| Image | Name | Telescope | Year captured | Size (arcminute) | Number of exposures |
|---|---|---|---|---|---|
| File:HubbleDeepField.800px.jpg | Hubble Deep Field | Hubble Space Telescope | 1995 | 2.6′x2.6′ | 342 |
| File:Hubble Deep Field South.jpg | Hubble Deep Field South | Hubble Space Telescope | 1998 | 5.3²′ | 995 |
| File:Chandra Deep Field South.jpg | Chandra Deep Field South | Chandra X-ray Observatory | 1999–2000 | 16′ across | 11 |
| File:Hubble ultra deep field high rez edit1.jpg | Hubble Ultra-Deep Field | Hubble Space Telescope | 2003–2004 | 2.4′x2.4′ | 808 |
| File:Hubble-ExtendedGrothStrip.jpg | Extended Groth Strip | Hubble Space Telescope | 2004–2005 | 70′x10′ | over 500 |
| File:Hubble Ultra Deep Field region of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey.jpg | Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) | Hubble Space Telescope | 2011 | ||
| File:Teenage galaxies in the distant Universe.jpg | ESO's VLT and the SINFONI instrument[9] | Very Large Telescope | 2012 | ||
| File:Hubble Extreme Deep Field (full resolution).png | Hubble eXtreme Deep Field | Hubble Space Telescope | 2012 | 2.3′x3′ | |
| File:NASA-HS201427a-HubbleUltraDeepField2014-20140603.jpg | Hubble Ultra-Deep Field (UV/VIS/NIR) | Hubble Space Telescope | 2014 | ||
| File:Hubble Frontier Fields view of MACSJ0416.1–2403.jpg | Hubble Frontier Fields MACS J0416.1-2403[10] | Hubble Space Telescope | 2015 | ||
| File:Heic1401a-Abell2744-20140107.jpg | Hubble Frontier Fields Abell 2744[11] | Hubble Space Telescope | 2015 | ||
| File:Galaxy Cluster MACS J0717.5+3745.jpg | Hubble Frontier Fields MACS J0717.5+3745 | Hubble Space Telescope | 2015 | ||
| File:A galactic gathering.jpg | Hubble Frontier Fields MACS J1149.5+2223[12] | Hubble Space Telescope | 2015 | ||
| File:Abell S1063.jpg | Hubble Frontier Fields Abell S1063[13] | Hubble Space Telescope | 2016 | ||
| File:The last of the Frontier Fields — Abell 370.jpg | Hubble Frontier Fields Abell 370[14] | Hubble Space Telescope | 2017 | ||
| File:Abell 370 parallel field.jpg | Hubble Frontier Fields Abell 370 parallel field[15] | Hubble Space Telescope | 2017 | ||
| File:NASA-Galaxies15k-HubbleHDUV-20180816.png | Hubble Deep UV (HDUV) Legacy Survey[16] | Hubble Space Telescope | 2018 | ||
| File:Hubble Legacy Field.png | Hubble Legacy Field[17] | Hubble Space Telescope | 2019 | 25′x25′ | 7,500 |
| File:Dark Energy Survey deep field image.jpg | Dark Energy Survey[18][19] | Víctor M. Blanco Telescope | 2021 | 18.41′x9.64′ | |
| File:Webb's First Deep Field.jpg | Webb's First Deep Field | James Webb Space Telescope | 2022 | 2.4′ across | |
| File:NASA-JWST-JADES-FirstDeepField-20221209.png | James Webb Space Telescope – JADES (James Webb Space Telescope Advanced Deep Extragalactic Survey) First Deep Field[20][21] |
James Webb Space Telescope | 2022 | 4-6′×12′ approx; (4′×6′ and 6′×6′ subsets adjacent)[22] |
|
| File:Jades Deep Field Annotated.png | James Webb Space Telescope – JADES (James Webb Space Telescope Advanced Deep Extragalactic Survey)[23] | James Webb Space Telescope | 2024 | 6′x4′ | |
| File:Euclid Deep Field North – preview ESA507291.jpg | Euclid Deep Field North (EDF-N)[24] | Euclid | 2025-(data release 3) | 20 deg2 | DR3 visits: 40 |
| File:Euclid Deep Field South – preview ESA507296.jpg | Euclid Deep Field South (EDF-S)[24] | Euclid | 2025-(data release 3) | 23 deg2 | DR3 visits: 45 |
| File:Euclid Deep Field Fornax – preview ESA507295.jpg | Euclid Deep Field Fornax (EDF-F), centred on Chandra Deep Field South[24] | Euclid | 2025-(data release 3) | 10 deg2 | DR3 visits: 52 |
See also
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References
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- ^ Page Module:Citation/CS1/styles.css has no content.Overbye, Dennis; Chang, Kenneth; Tankersley, Jim (11 July 2022). "Biden and NASA Share First Webb Space Telescope Image – From the White House on Monday, humanity got its first glimpse of what the observatory in space has been seeing: a cluster of early galaxies". The New York Times. Archived from the original on 12 July 2022. Retrieved 12 July 2022.
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- ^ Page Module:Citation/CS1/styles.css has no content.Downer, Bethany (9 December 2022). "NASA's Webb Reaches New Milestone in Quest for Distant Galaxies". NASA. Retrieved 13 December 2022.
- ^ Page Module:Citation/CS1/styles.css has no content.Robertson, B.E.; Tacchella, S.; Johnson, B.D.; et al. (May 2023). "Identification and properties of intense star-forming galaxies at redshifts z > 10". Nat Astron. 7 (5): 611–621. arXiv:2212.04480. Bibcode:2023NatAs...7..611R. doi:10.1038/s41550-023-01921-1. Retrieved 1 September 2024.
- ^ Page Module:Citation/CS1/styles.css has no content."NASA's Webb Opens New Window on Supernova Science - NASA Science". science.nasa.gov. 10 June 2024. Retrieved 11 June 2024.
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