VHE gamma-ray observation of the Crab Nebula and its pulsar with the MAGIC telescope
| dc.contributor.author | Antoranz Canales, Pedro | |
| dc.contributor.author | Barrio Uña, Juan Abel | |
| dc.contributor.author | Contreras González, José Luis | |
| dc.contributor.author | Fonseca González, María Victoria | |
| dc.contributor.author | López Moya, Marcos | |
| dc.contributor.author | Miranda Pantoja, José Miguel | |
| dc.contributor.author | Nieto Castaño, Daniel | |
| dc.date.accessioned | 2023-06-20T10:38:50Z | |
| dc.date.available | 2023-06-20T10:38:50Z | |
| dc.date.issued | 2008-02-20 | |
| dc.description | © The American Astronomical Society. We are grateful for discussions with Kouichi Hirotani.We also would like to thank the IAC for the excellent working conditions at the ORM in La Palma. The support of the German BMBF and MPG, the Italian INFN, the Spanish CICYT, ETH research grant TH 34/04 3, and the PolishMNiI grant 1P03D01028 is gratefully acknowledged. | |
| dc.description.abstract | We report about very high energy (VHE) gamma-ray observations of the Crab Nebula with the MAGIC telescope. The gamma-ray flux from the nebula was measured between 60 GeV and 9 TeV. The energy spectrum can be described by a curved power law dF/dE = f(0)(E/300 GeV)([a+b log)((E/300 GeV)])(10) with a flux normalization f(0) of (6.0 +/- 0.2(stat)) x 10(-10) cm(-2) s(-1) TeV-1, a = 2.31 +/- 0.06(stat), and b = 0.26 +/- 0.07(stat). The peak in the spectral energy distribution is estimated at 77 +/- 35 GeV. Within the observation time and the experimental resolution of the telescope, the gamma-ray emission is steady and pointlike. The emission's center of gravity coincides with the position of the pulsar. Pulsed gamma-ray emission from the pulsar could not be detected. We constrain the cutoff energy of the pulsed spectrum to be less than 27 GeV, assuming that the differential energy spectrum has an exponential cutoff. For a superexponential shape, the cutoff energy can be as high as 60 GeV. | |
| dc.description.department | Depto. de Estructura de la Materia, Física Térmica y Electrónica | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | German BMBF | |
| dc.description.sponsorship | German MPG | |
| dc.description.sponsorship | Italian INFN | |
| dc.description.sponsorship | Spanish CICYT | |
| dc.description.sponsorship | ETH | |
| dc.description.sponsorship | PolishMNiI | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/23610 | |
| dc.identifier.doi | 10.1086/525270 | |
| dc.identifier.issn | 0004-637X | |
| dc.identifier.officialurl | http://dx.doi.org/10.1086/525270 | |
| dc.identifier.relatedurl | http://iopscience.iop.org | |
| dc.identifier.relatedurl | http://arxiv.org/abs/0705.3244 | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/50885 | |
| dc.issue.number | 2 | |
| dc.journal.title | Astrophysical journal | |
| dc.language.iso | eng | |
| dc.page.final | 1055 | |
| dc.page.initial | 1037 | |
| dc.publisher | IOP Publishing | |
| dc.relation.projectID | TH 34/04 3 | |
| dc.relation.projectID | 1P03D01028 | |
| dc.rights.accessRights | open access | |
| dc.subject.cdu | 537 | |
| dc.subject.cdu | 539.1 | |
| dc.subject.keyword | Atmospheric Cherenkov Telescope | |
| dc.subject.keyword | Rapidly Spinning Pulsars | |
| dc.subject.keyword | High-Energy Emission | |
| dc.subject.keyword | Slot Gaps | |
| dc.subject.keyword | TEV | |
| dc.subject.keyword | Radiation | |
| dc.subject.keyword | Spectrum | |
| dc.subject.keyword | Wind | |
| dc.subject.keyword | Supernova | |
| dc.subject.keyword | Photons. | |
| dc.subject.ucm | Electrónica (Física) | |
| dc.subject.ucm | Electricidad | |
| dc.subject.ucm | Física nuclear | |
| dc.subject.unesco | 2202.03 Electricidad | |
| dc.subject.unesco | 2207 Física Atómica y Nuclear | |
| dc.title | VHE gamma-ray observation of the Crab Nebula and its pulsar with the MAGIC telescope | |
| dc.type | journal article | |
| dc.volume.number | 674 | |
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