UBV photometry of close visual double stars using an area scanner

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dc.contributor.advisorWarner, Brianen_ZA
dc.contributor.authorHurly, Patrick Ruperten_ZA
dc.date.accessioned2016-02-01T10:02:48Z
dc.date.available2016-02-01T10:02:48Z
dc.date.issued1976en_ZA
dc.description.abstractA computer-controlled area scanner designed for use on close visual double stars is described. Techniques used in making observations and in subsequent reduction of the data are given. Problems encountered are discussed. Magnitude differences and magnitudes and colours of components are given for 153 bright southern close visual doubles. Separations are given for some of the stars. Absolute magnitudes are calculated for the primaries by several methods. Individual stars are discussed where appropriate. The accuracy of the results is discussed. No significant systematic errors are evident in the results, but systematic errors are present in the results of other authors. Suggestions are made for the future use of conventional photometers, scanners and other techniques in the field of visual double star photometry and astrometry.en_ZA
dc.identifier.apacitationHurly, P. R. (1976). <i>UBV photometry of close visual double stars using an area scanner</i>. (Thesis). University of Cape Town ,Faculty of Science ,Department of Astronomy. Retrieved from http://hdl.handle.net/11427/16638en_ZA
dc.identifier.chicagocitationHurly, Patrick Rupert. <i>"UBV photometry of close visual double stars using an area scanner."</i> Thesis., University of Cape Town ,Faculty of Science ,Department of Astronomy, 1976. http://hdl.handle.net/11427/16638en_ZA
dc.identifier.citationHurly, P. 1976. UBV photometry of close visual double stars using an area scanner. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Hurly, Patrick Rupert AB - A computer-controlled area scanner designed for use on close visual double stars is described. Techniques used in making observations and in subsequent reduction of the data are given. Problems encountered are discussed. Magnitude differences and magnitudes and colours of components are given for 153 bright southern close visual doubles. Separations are given for some of the stars. Absolute magnitudes are calculated for the primaries by several methods. Individual stars are discussed where appropriate. The accuracy of the results is discussed. No significant systematic errors are evident in the results, but systematic errors are present in the results of other authors. Suggestions are made for the future use of conventional photometers, scanners and other techniques in the field of visual double star photometry and astrometry. DA - 1976 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 1976 T1 - UBV photometry of close visual double stars using an area scanner TI - UBV photometry of close visual double stars using an area scanner UR - http://hdl.handle.net/11427/16638 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/16638
dc.identifier.vancouvercitationHurly PR. UBV photometry of close visual double stars using an area scanner. [Thesis]. University of Cape Town ,Faculty of Science ,Department of Astronomy, 1976 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/16638en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDepartment of Astronomyen_ZA
dc.publisher.facultyFaculty of Scienceen_ZA
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherAstronomyen_ZA
dc.titleUBV photometry of close visual double stars using an area scanneren_ZA
dc.typeMaster Thesis
dc.type.qualificationlevelMasters
dc.type.qualificationnameMScen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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