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{{Redirect|Grond|other topics of the same name|Grond (disambiguation)}}
<div class="dablink">"Grond" redirects here. For '''Grond''', the fictional battering ram from ]'s ], see the ].</div>
⚫ ] (a dark blue cylinder at the lower left)]]


The '''Gamma-Ray Burst Optical/Near-Infrared Detector''' ('''GROND''') is an imaging instrument used to investigate ] afterglows and for doing follow-up observations on ]s using ].<ref>{{cite journal |title=OGLE2-TR-L9b: an exoplanet transiting a rapidly rotating F3 star |url=http://www.mpe.mpg.de/~saglia/journals_pdf/snellen2009.pdf |last1=Snellen |first1=I. A. G. |last2=Koppenhoefer |first2=J. |journal=Astronomy & Astrophysics |doi=10.1051/0004-6361/200810917 |date=2008 |bibcode=2009A&A...497..545S |volume=497 |issue=2 |pages=545–550|arxiv=0812.0599 |s2cid=15639369 }}</ref><ref>{{Cite journal|url=http://www.aanda.org/articles/aa/full_html/2012/03/aa18336-11/aa18336-11.html|doi = 10.1051/0004-6361/201118336|title = WASP-4b transit observations with GROND|year = 2012|last1 = Nikolov|first1 = N.|last2 = Henning|first2 = Th.|last3 = Koppenhoefer|first3 = J.|last4 = Lendl|first4 = M.|last5 = MacIejewski|first5 = G.|last6 = Greiner|first6 = J.|journal = Astronomy & Astrophysics|volume = 539|pages = A159|arxiv = 1201.5727|bibcode = 2012A&A...539A.159N|s2cid = 59017585}}</ref><ref name="eso_pr_20070706">
⚫ ]

The '''Gamma-Ray Burst Optical/Near-Infrared Detector''' (GROND) is an imaging instrument used to investigate ] afterglows. It is operated at the ] 2.2m telescope at the ].<ref name="eso_pr_20070706">
{{cite press release {{cite press release
| title=GROND Takes Off |title = GROND Takes Off
| publisher=European Organisation for Astronomical Research in the Southern Hemisphere (]) |publisher = European Organisation for Astronomical Research in the Southern Hemisphere (])
| date=2007-07-06 |date = 2007-07-06
| url=http://www.eso.org/public/outreach/press-rel/pr-2007/pr-30-07.html |url = http://www.eso.org/public/outreach/press-rel/pr-2007/pr-30-07.html
| accessdate=2009-02-23}}</ref> |accessdate = 2009-02-23
|url-status = dead
|archiveurl = https://web.archive.org/web/20090225100400/http://www.eso.org/public/outreach/press-rel/pr-2007/pr-30-07.html
|archivedate = 2009-02-25
}}</ref> It is operated at the 2.2-metre ] at ESO's ] in the southern part of the Atacama desert, about 600 kilometres north of Santiago de Chile and at an altitude of 2,400 metres.


== Discoveries == == Discoveries ==
* On 13 September 2008, ] detected gamma-ray burst ]. GROND and ] subsequently placed the GRB at 12.8 ] distant, making it the most-distant GRB observed, as well as the second-most-distant object to be ] confirmed.<ref>{{cite press release * On 13 September 2008, ] detected gamma-ray burst ]. GROND and ] subsequently placed the GRB at 12.8 ] distant, making it the most-distant GRB observed, as well as the second-most-distant object to be ] confirmed.<ref>{{cite press release
| title = NASA's Swift Catches Farthest Ever Gamma-Ray Burst | title = NASA's Swift Catches Farthest Ever Gamma-Ray Burst
| publisher = ] | publisher = ]
| date = 2008-09-19 | date = 2008-09-19
| url = http://www.nasa.gov/mission_pages/swift/bursts/farthest_grb.html | url = http://www.nasa.gov/mission_pages/swift/bursts/farthest_grb.html
| accessdate = 2009-02-23}}</ref><ref>{{cite arxiv | accessdate = 2009-02-23}}</ref><ref>{{cite journal
| first = Jochen | first = Jochen
| last = Greiner | last = Greiner
| coauthors = et al.
| title = GRB 080913 at redshift 6.7 | title = GRB 080913 at redshift 6.7
| date = 2008-10-13 | year = 2009
| eprint = 0810.2314 | arxiv = 0810.2314
|display-authors=etal
⚫ }}</ref>
| doi=10.1088/0004-637X/693/2/1610
| bibcode=2009ApJ...693.1610G
| volume=693
| journal=The Astrophysical Journal
| issue = 2
| pages=1610–1620| s2cid = 14713585
⚫ }}</ref>


* On 15 September 2008, ]'s ] detected gamma-ray burst ]. On 19 February 2009, NASA announced that the GROND team's work shows that the GRB was the most energetic yet observed, and 12.2 Gly distant.<ref>{{cite press release * On 15 September 2008, ]'s ] detected gamma-ray burst ]. On 19 February 2009, NASA announced that the GROND team's work shows that the GRB was the most energetic yet observed, and 12.2 Gly distant.<ref>{{cite press release
Line 31: Line 40:
| date = 2009-02-19 | date = 2009-02-19
| url = http://www.nasa.gov/mission_pages/GLAST/news/high_grb.html | url = http://www.nasa.gov/mission_pages/GLAST/news/high_grb.html
| accessdate = 2009-02-23}}</ref><ref>{{cite arxiv | accessdate = 2009-02-23}}</ref><ref>{{cite journal
| first = Jochen | first = Jochen
| last = Greiner | last = Greiner
| coauthors = et al.
| title = The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C | title = The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C
| date = 2009-02-04 | date = 2009-02-04
| eprint = 0902.0761 | arxiv = 0902.0761
|display-authors=etal
⚫ }}</ref>
| doi=10.1051/0004-6361/200811571
| bibcode=2009A&A...498...89G
| volume=498
| journal=Astronomy and Astrophysics
| issue = 1
| pages=89–94| s2cid = 6758498
⚫ }}</ref>


==See also== ==See also==
* ] * ]
* ] * ]
* ] * ]

== Notes ==
<References group="nb"/>


== References == == References ==
{{reflist}}
<References/>


==External links== == External links ==
* *


{{DEFAULTSORT:Gamma-Ray Burst Optical Near-Infrared Detector}} {{DEFAULTSORT:Gamma-Ray Burst Optical Near-Infrared Detector}}
] ]
] ]


Latest revision as of 20:48, 28 February 2024

"Grond" redirects here. For other topics of the same name, see Grond (disambiguation).
"A photograph of the GROND instrument"
GROND mounted on the MPG/ESO telescope (a dark blue cylinder at the lower left)

The Gamma-Ray Burst Optical/Near-Infrared Detector (GROND) is an imaging instrument used to investigate Gamma-Ray Burst afterglows and for doing follow-up observations on exoplanets using transit photometry. It is operated at the 2.2-metre MPG/ESO telescope at ESO's La Silla Observatory in the southern part of the Atacama desert, about 600 kilometres north of Santiago de Chile and at an altitude of 2,400 metres.

Discoveries

  • On 13 September 2008, Swift detected gamma-ray burst 080913. GROND and VLT subsequently placed the GRB at 12.8 Gly distant, making it the most-distant GRB observed, as well as the second-most-distant object to be spectroscopically confirmed.
  • On 15 September 2008, NASA's Fermi Gamma-ray Space Telescope detected gamma-ray burst 080916C. On 19 February 2009, NASA announced that the GROND team's work shows that the GRB was the most energetic yet observed, and 12.2 Gly distant.

See also

References

  1. Snellen, I. A. G.; Koppenhoefer, J. (2008). "OGLE2-TR-L9b: an exoplanet transiting a rapidly rotating F3 star" (PDF). Astronomy & Astrophysics. 497 (2): 545–550. arXiv:0812.0599. Bibcode:2009A&A...497..545S. doi:10.1051/0004-6361/200810917. S2CID 15639369.
  2. Nikolov, N.; Henning, Th.; Koppenhoefer, J.; Lendl, M.; MacIejewski, G.; Greiner, J. (2012). "WASP-4b transit observations with GROND". Astronomy & Astrophysics. 539: A159. arXiv:1201.5727. Bibcode:2012A&A...539A.159N. doi:10.1051/0004-6361/201118336. S2CID 59017585.
  3. "GROND Takes Off" (Press release). European Organisation for Astronomical Research in the Southern Hemisphere (ESO). 2007-07-06. Archived from the original on 2009-02-25. Retrieved 2009-02-23.
  4. "NASA's Swift Catches Farthest Ever Gamma-Ray Burst" (Press release). NASA. 2008-09-19. Retrieved 2009-02-23.
  5. Greiner, Jochen; et al. (2009). "GRB 080913 at redshift 6.7". The Astrophysical Journal. 693 (2): 1610–1620. arXiv:0810.2314. Bibcode:2009ApJ...693.1610G. doi:10.1088/0004-637X/693/2/1610. S2CID 14713585.
  6. "NASA's Fermi Telescope Sees Most Extreme Gamma-ray Blast Yet" (Press release). NASA. 2009-02-19. Retrieved 2009-02-23.
  7. Greiner, Jochen; et al. (2009-02-04). "The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C". Astronomy and Astrophysics. 498 (1): 89–94. arXiv:0902.0761. Bibcode:2009A&A...498...89G. doi:10.1051/0004-6361/200811571. S2CID 6758498.

External links


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