A shadow over Oxie: an October 2003 amateur observation of HD 209458b

Anders Nyholm

A shadow over Oxie: an October 2003 amateur observation of HD 209458b

Anders Nyholm

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I detta arbetet presenteras en fotometrisk mätning av en passage av exoplaneten (planet runt en annan stjärna) HD 209458b framför sin stjärna den 26 oktober 2003, utförd av en amatörastronom. En beskrivning av utrustningen och metoden presenteras. Förberedelserna inför observationen beskrivs och presenteras i form av en tidslinje. Resultatet av observationen (i form av ett tids-magnitud diagram) presenteras och diskuteras. Slutsatsen är att det var passagen av HD 209458b som observerades. Ett antal mindre lyckade observationer beskrivs också. En allmän introduktion om hur framsteg inom astronomin ledde fram till observationer av exoplaneter presenteras, allmänt men även speciellt för amatörobservationer.

Originalspråk	Engelska
Nummer	3
Specialistpublikation	Tsunami
Status	Publicerad - 2004
Externt publicerad	Ja

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title = "A shadow over Oxie: an October 2003 amateur observation of HD 209458b",

abstract = "This paper describes a photometry observation by an amateur astronomer of a transit of the extrasolar planet HD 209458b across its star on the 26th of October 2003. A description of the telescope, CCD imager, software and method used is provided. The preparations leading to the transit observation are described, along with a chronology. The results of the observation (in the form of a time-magnitude diagram) is reproduced, investigated and discussed. It is concluded that the HD 209458b transit most probably was observed. A number of less successful attempts at observing HD 209458b transits in August and October 2003 are also described. A general introduction describes the development in astronomy leading to observations of extrasolar planets in general and amateur observations of extrasolar planets in particular.",

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AB - This paper describes a photometry observation by an amateur astronomer of a transit of the extrasolar planet HD 209458b across its star on the 26th of October 2003. A description of the telescope, CCD imager, software and method used is provided. The preparations leading to the transit observation are described, along with a chronology. The results of the observation (in the form of a time-magnitude diagram) is reproduced, investigated and discussed. It is concluded that the HD 209458b transit most probably was observed. A number of less successful attempts at observing HD 209458b transits in August and October 2003 are also described. A general introduction describes the development in astronomy leading to observations of extrasolar planets in general and amateur observations of extrasolar planets in particular.

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A shadow over Oxie: an October 2003 amateur observation of HD 209458b

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