Intraday Radio Variability and Micro-Arcsecond Resolution

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dc.contributor.authorBignall, Hayley E.
dc.contributor.authorJauncey, David L.
dc.contributor.authorKedziora-Chudczer, Lucyna
dc.contributor.authorLovell, James E. J.
dc.contributor.authorMacquart, Jean-Pierre
dc.contributor.authorOjha, Roopesh
dc.contributor.authorRickett, Barnaby J.
dc.date.accessioned2020-03-10T14:31:26Z
dc.date.available2020-03-10T14:31:26Z
dc.date.issued2009
dc.descriptionApproaching Micro-Arcsecond Resolution with VSOP-2: Astrophysics and Technology ASP Conference Series, Vol. 402, ©2009 Y. Hagiwara, E. Fomalont, M. Tsuboi, and Y. Murata, eds.en_US
dc.description.abstractIntraday variability (IDV) of AGN at centimeter wavelengths has been shown to be predominantly due to interstellar scintillation (ISS). Recent VLBI observations have shown that IDV sources are more compact than non-IDVs on milliarcsecond scales, and a significant fraction are completely unresolved with ground-based VLBI. Additionally, very rapid IDV due to ISS has been observed in some extragalactic water masers at 22 GHz, implying masers ∼ 10 micro-arcseconds in angular size. Such bright, compact sources will be excellent targets for observation with VSOP-2 in order to study the sub-pc scale regions of AGN.en_US
dc.description.urihttp://aspbooks.org/custom/publications/paper/402-0256.htmlen_US
dc.format.extent6 pagesen_US
dc.genreconference papers and proceedingsen_US
dc.identifierdoi:10.13016/m23jk2-ny93
dc.identifier.citationBignall, Hayley E.; Jauncey, David L.; Kedziora-Chudczer, Lucyna; Lovell, James E. J.; Macquart, Jean-Pierre; Ojha, Roopesh; Rickett, Barnaby J.; Intraday Radio Variability and Micro-Arcsecond Resolution; Approaching Micro-Arcsecond Resolution with VSOP-2: Astrophysics and Technology; ASP Conference Series, Vol. 402, ©2009; http://aspbooks.org/custom/publications/paper/402-0256.htmlen_US
dc.identifier.urihttp://hdl.handle.net/11603/17515
dc.language.isoen_USen_US
dc.publisherAstronomical Society of the Pacificen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Physics Department Collection
dc.relation.ispartofUMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.rightsPublic Domain Mark 1.0*
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.
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleIntraday Radio Variability and Micro-Arcsecond Resolutionen_US
dc.typeTexten_US

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