Numerical estimation of lunar X-ray emission for X-ray spectrometer onboard SELENE View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2008-04-09

AUTHORS

Kazunori Ogawa, Tatsuaki Okada, Kei Shirai, Manabu Kato

ABSTRACT

We conducted a numerical estimation of lunar X-ray spectra, which is applicable for lunar X-ray fluorescence observations using an X-ray spectrometer (XRS) onboard the SELENE orbiter, with an improved simulation model. We investigated the integration times of measurements for six elements (Mg, Al, Si, Ca, Ti, and Fe) to achieve signal-to-background ratio of over 10 under various solar conditions. The results of these calculations indicate that expected along-the-track spatial resolutions of a single orbital path for Mg, Al and Si will be <90 km and 20 km under normal and active Sun conditions, respectively. Ca, Ti and Fe will be also detectable with a spatial resolution of 20 km during the periods active solar flares over M1 class happen to occur. More... »

PAGES

283-292

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/bf03352793

DOI

http://dx.doi.org/10.1186/bf03352793

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1017871730


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