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[vsnet-j 2904] Re: AIP4WIN problem

Date: Tue, 8 Jul 2003 19:07:57 +0900 (JST)
To: vsnet-j@ooruri.kusastro.kyoto-u.ac.jp
From: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
Subject: [vsnet-j 2904] Re: AIP4WIN problem
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Re: AIP4WIN problem

　前に話題になったやつですが、アパーチャの位置を計算で求めるオプションが
　あるとか？　実際に観測されている方はこれは使われていますでしょうか？

The centering error on faint stars that Taichi-san mentions
in AIP4WIN can be avoided altogether by doing photometry as
C-Offset where the comparison xtar (presumably bright
enough to be reliably centered on all images and the
variable and check are not centered except on the first
image of the set and the apertures are rigidly placed in
the same location relative to the comparison star.


Regards, LEw

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