GRB 020410: A Gamma-ray burst afterglow discovered by its supernova light

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We present the discovery and monitoring of the optical transient (OT) associated with GRB 020410. The fading OT was found by Hubble Space Telescope (HST) observations taken 28 and 65 days after burst at a position consistent with the X-ray afterglow. Subsequent re-examination of early ground based observations revealed that a faint OT was present 6 hours after burst, confirming the source association with GRB 020410. A deep non-detection after one week requires that the OT re-brightened between day 7 and day 28, and further late time HST data taken approximately 100 days after burst imply that it is very ... continued below

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Levan, Andrew; Nugent, Peter; Fruchter, Andrew; Burud, Ingunn; Branch, David; Rhoads, James et al. March 19, 2004.

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We present the discovery and monitoring of the optical transient (OT) associated with GRB 020410. The fading OT was found by Hubble Space Telescope (HST) observations taken 28 and 65 days after burst at a position consistent with the X-ray afterglow. Subsequent re-examination of early ground based observations revealed that a faint OT was present 6 hours after burst, confirming the source association with GRB 020410. A deep non-detection after one week requires that the OT re-brightened between day 7 and day 28, and further late time HST data taken approximately 100 days after burst imply that it is very red (F{sub nu} proportional to nu-2.7). We compare both the flux and color of the excess with supernova models and show that the data are best explained by the presence of a Type I b/c supernova at a redshift z approx. equal 0.5, which occurred roughly coincident with the day of GRB.

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  • Journal Name: The Astrophysical Journal; Journal Volume: 624; Journal Issue: 2pt1; Related Information: Journal Publication Date: 05/10/2005

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  • Report No.: LBNL--54762
  • Grant Number: DE-AC02-05CH11231
  • Grant Number: RNASA:43HD01
  • Office of Scientific & Technical Information Report Number: 861292
  • Archival Resource Key: ark:/67531/metadc786473

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  • March 19, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 4, 2016, 3:18 p.m.

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Levan, Andrew; Nugent, Peter; Fruchter, Andrew; Burud, Ingunn; Branch, David; Rhoads, James et al. GRB 020410: A Gamma-ray burst afterglow discovered by its supernova light, article, March 19, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc786473/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.