EXO 2030+375 Restarts in Reverse

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dc.contributor.authorKretschmar, P.
dc.contributor.authorFuerst, F.
dc.contributor.authorWilson-Hodge, C.A.
dc.contributor.authorBlay, P.
dc.contributor.authorKajava, J.
dc.contributor.authorAlfonso-Garzón, J.
dc.contributor.authorKühnel, M.
dc.contributor.authorKreykenbohm, I.
dc.contributor.authorWilms, J.
dc.contributor.authorJenke, P.A.
dc.contributor.authorPottschmidt, Katja
dc.date.accessioned2023-09-06T13:35:53Z
dc.date.available2023-09-06T13:35:53Z
dc.date.issued2017-08-23
dc.description11th INTEGRAL Conference Gamma-Ray Astrophysics in Multi-Wavelength Perspective, 10-14 October 2016, Amsterdam, The Netherlandsen_US
dc.description.abstractThe Be X-ray binary pulsar EXO 2030+375, first detected in 1985, has shown a significant de- tected X-ray outburst at nearly every periastron passage of its 46-day orbit for the past 25 years, with one low state accompanied by a torque reversal in the 1990s. In early 2015 the outbursts progressively became fainter and less regular while the monotonic spin-up flattened. At the same time a decrease in the Hα line equivalent width was reported, indicating a change in the disk surrounding the mass donor. In order to explore the source behaviour in the poorly explored low-flux state with a possible tran- sition to a state of centrifugal inhibition of accretion we have undertaken an observing campaign with Swift/XRT, NuSTAR and the Nordic Optical Telescope (NOT). This conference contribution reports the preliminary results obtained from our campaign.en_US
dc.description.urihttps://pos.sissa.it/285/076en_US
dc.format.extent7 pagesen_US
dc.genreconference papers and proceedingsen_US
dc.identifierdoi:10.13016/m2va2b-fhug
dc.identifier.citationKretschmar, Peter, Felix Fuerst, Colleen A. Wilson-Hodge, Pere Blay, Jari Kajava, Julia Alfonso-Garzón, Matthias Kühnel, et al. “EXO 2030+375 Restarts in Reverse.” In Proceedings of 11th INTEGRAL Conference Gamma-Ray Astrophysics in Multi-Wavelength Perspective — PoS(INTEGRAL2016), 285:076. SISSA Medialab, 2017. https://doi.org/10.22323/1.285.0076.en_US
dc.identifier.urihttps://doi.org/10.22323/1.285.0076
dc.identifier.urihttp://hdl.handle.net/11603/29549
dc.language.isoen_USen_US
dc.publisherProceedings of Scienceen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.relation.ispartofUMBC Physics Department
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.en_US
dc.rightsPublic Domain Mark 1.0*
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleEXO 2030+375 Restarts in Reverseen_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0002-4656-6881en_US

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