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Correction of Systematic Errors in Differential Photometry
Manfroid, Jean; Royer, P.; Rauw, Grégor et al.
2001In Astronomical Data Analysis Software and Systems X
 

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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.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Manfroid, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Royer, P.
Rauw, Grégor  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE) - Sciences spatiales
Gosset, Eric ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE)
Language :
English
Title :
Correction of Systematic Errors in Differential Photometry
Publication date :
2001
Audience :
International
Main work title :
Astronomical Data Analysis Software and Systems X
Pages :
373
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