First bounds on the very high energy γ-ray emission from Arp 220

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dc.contributor	Universitat de Barcelona
dc.contributor.author	MAGIC Collaboration
dc.contributor.author	Bosch i Ramon, Valentí
dc.contributor.author	Ribó Gomis, Marc
dc.contributor.author	Paredes i Poy, Josep Maria
dc.date	2020-02-13T11:00:32Z
dc.date	2020-02-13T11:00:32Z
dc.date	2007-11-21
dc.date	2020-02-13T11:00:32Z
dc.identifier.citation	0004-637X
dc.identifier.citation	570836
dc.identifier.uri	http://hdl.handle.net/2445/150121
dc.format	4 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Institute of Physics (IOP)
dc.relation	Reproducció del document publicat a: https://doi.org/10.1086/511173
dc.relation	Astrophysical Journal, 2007, vol. 658, num. 1, p. 245-248
dc.relation	https://doi.org/10.1086/511173
dc.rights	(c) American Astronomical Society, 2007
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Raigs gamma
dc.subject	Gamma rays
dc.title	First bounds on the very high energy γ-ray emission from Arp 220
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	Using the Major Atmospheric Gamma Imaging Cerenkov Telescope (MAGIC), we have observed the nearest ultraluminous infrared galaxy, Arp 220, for about 15 hr. No significant signal was detected within the dedicated amount of observation time. The first upper limits to the very high energy γ-ray flux of Arp 220 are herein reported and compared with theoretical expectations.