The Impact of Interstellar Scintillation on Astrometric VLBI

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dc.contributor.authorJauncey, David
dc.contributor.authorLovell, James
dc.contributor.authorOjha, Roopesh
dc.contributor.authorFey, Alan L.
dc.contributor.authorKoyama, Yasuhiro
dc.contributor.authorBignall, Hayley E.
dc.contributor.authorKedziora-Chudczer, Lucyna
dc.contributor.authorMacquart, Jean-Pierre
dc.contributor.authorRickett, Barney J.
dc.contributor.authorTitov, Oleg
dc.contributor.authorTzioumis, Anastasios K.
dc.date.accessioned2020-03-10T15:33:06Z
dc.date.available2020-03-10T15:33:06Z
dc.date.issued2004
dc.descriptionIVS 2004 General Meeting Proceedingsen
dc.description.abstractWe review the evidence demonstrating the interstellar scintillation (ISS) is the principal mechanism responsible for the intra-day variability (IDV) seen at cm wavelengths in many compact, flat-spectrum extra-galactic radio sources. The presence of ISS in a radio source implies the presence of microarcsecond structure in the source. We examine the implications of such compact structure, and suggest that these ultra-compact radio scintillators may form a significant part of the next generation International Celestial Reference Frame (ICRF) sources because of their high level of compactness and positional stability.en
dc.description.urihttp://articles.adsabs.harvard.edu/pdf/2004ivsg.conf..109Jen
dc.format.extent4 pagesen
dc.genreconference papers and proceedingsen
dc.identifierdoi:10.13016/m2iufp-qd1d
dc.identifier.citationJauncey, David; Lovell, James; Ojha, Roopesh; Fey, Alan L.; Koyama, Yasuhiro; Bignall, Hayley E.; Kedziora-Chudczer, Lucyna; Macquart, Jean-Pierre; Rickett, Barney J.; Titov, Oleg; Tzioumis, Anastasios K.; The Impact of Interstellar Scintillation on Astrometric VLBI; General Meeting Proceedings, p. 109-112; http://articles.adsabs.harvard.edu/pdf/2004ivsg.conf..109Jen
dc.identifier.urihttp://hdl.handle.net/11603/17519
dc.language.isoenen
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.rightsPublic Domain Mark 1.0*
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.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.titleThe Impact of Interstellar Scintillation on Astrometric VLBIen
dc.typeTexten

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