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Constraints on black-hole charges with the 2017 EHT observations of M87*

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Constraints on black-hole charges with the 2017 EHT observations of M87*

dc.contributor.author	Kocherlakota, Prashant
dc.contributor.author	EHT Collaboration
dc.contributor.author	Azulay Romero, Rebecca Sarah
dc.contributor.author	Martí Vidal, Iván
dc.contributor.author	Mus, Alejandro
dc.date.accessioned	2022-05-24T14:04:24Z
dc.date.available	2022-05-24T14:04:24Z
dc.date.issued	2021
dc.identifier.citation	Kocherlakota, Prashant EHT Collaboration Azulay Romero, Rebecca Sarah Martí Vidal, Iván Mus, Alejandro 2021 Constraints on black-hole charges with the 2017 EHT observations of M87* Physical Review D 103 10 104047
dc.identifier.uri	https://hdl.handle.net/10550/82966
dc.description.abstract	Our understanding of strong gravity near supermassive compact objects has recently improved thanks to the measurements made by the Event Horizon Telescope (EHT). We use here the M87* shadow size to infer constraints on the physical charges of a large variety of nonrotating or rotating black holes. For example, we show that the quality of the measurements is already sufficient to rule out that M87* is a highly charged dilaton black hole. Similarly, when considering black holes with two physical and independent charges, we are able to exclude considerable regions of the space of parameters for the doubly-charged dilaton and the Sen black holes.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2021, vol. 103, num. 10, p. 104047
dc.subject	Gravitació
dc.subject	Astronomia
dc.title	Constraints on black-hole charges with the 2017 EHT observations of M87*
dc.type	journal article	es_ES
dc.date.updated	2022-05-24T14:04:25Z
dc.identifier.doi	10.1103/PhysRevD.103.104047
dc.identifier.idgrec	153674
dc.rights.accessRights	open access	es_ES