Mercury Transit for Stray Light Evaluation: IPM-THEMIS Case

Bibcode
2006SoPh..234..187B
DOI
10.1007/s11207-006-0033-5
Mainella, G.; Ceppatelli, G.; Mattig, W.; Briand, C.
Bibliographical reference

Solar Physics, Volume 234, Issue 1, pp.187-201

Advertised on:
3
2006
Journal
Solar Physics
Number of authors
4
IAC number of authors
1
Citations
6
Refereed citations
6
Description
Mercury's transit on the solar disk offers ideal conditions to determine the stray light level of instruments. We present here the results on the stray light level deduced from the observation of the Mercury transit on 2003 May 7th at the secondary focus of the THEMIS telescope with the broad-band and spectral channels of the IPM instrument. The scattered light in the broad-band channel is about 17% and about 25% in the spectral channel. The spread function was deduced for the two channels taking into account the observations on the limb and on Mercury's disk.
Type
Refereed

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