Reference : Correction of Systematic Errors in Differential Photometry

	Document type :	Scientific congresses and symposiums : Paper published in a book
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
	To cite this reference:	http://hdl.handle.net/2268/15946

Title :	Correction of Systematic Errors in Differential Photometry
Language :	English
Author, co-author :	Manfroid, Jean [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO) >]
	Royer, P. [> > > >]
	Rauw, Grégor [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE) - Sciences spatiales >]
	Gosset, Eric [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE) >]
Publication date :	2001
Main document title :	Astronomical Data Analysis Software and Systems X
Volume :	238
Pages :	373
Audience :	International
Abstract :	[en] A common cause of errors in CCD differential photometry is an improper calibration of the array. The importance of these errors is evaluated for different cameras with fields between 3 and 30 arcminutes. The usual superflat illumination corrections based on night sky exposures are often found to be unsatisfactory. ``Photometric superflats'' based on stellar measurements are more reliable and should be used instead.
Permalink :	http://hdl.handle.net/2268/15946
Other URL :	http://adsabs.harvard.edu/abs/2001ASPC..238..373M

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