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Creator |
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Creator |
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Creator |
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Creator |
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Creator |
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Date |
2011-07 |
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Is Part Of |
p00191035 |
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Is Part Of |
repository |
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abstract |
The Chandrayaan-1 X-ray Spectrometer (C1XS) flown on-board the first Indian lunar
mission Chandrayaan-1, measured X-ray fluorescence spectra during several episodes
of solar flares during its operational period of ~9 months. The accompanying X-ray
Solar Monitor (XSM) provided simultaneous spectra of solar X-rays incident on the
Moon which are essential to derive elemental chemistry. In this paper, we present
the surface abundances of Mg, Al, Si, Ca and Fe, derived from C1XS data for a highland
region on the southern nearside of the Moon. Analysis techniques are described in
detail including absolute X-ray line flux derivation and conversion into elemental
abundance. The results are consistent with a composition rich in plagioclase with
a slight mafic mineral enhancement and a Ca/Al ratio that is significantly lower than
measured in lunar returned samples. We suggest various possible scenarios to explain
the deviations. |
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authorList |
authors |
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issue |
1 |
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status |
peerReviewed |
| 29977 |
volume |
214 |
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type |
AcademicArticle |
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type |
Article |
| 29977 |
label |
Narendranath, S.; Athiray, P. S.; Sreekumar, P.; Kellett, B. J.; Alha, L.; Howe, C.
J.; Joy, K. H.; Grande, M.; Huovelin, J.; Crawford, I. A.; Unnikrishnan, U.; Lalita,
S.; Subramaniam, S.; Weider, S. Z.; Nittler, L. R.; Gasnault, O.; Rothery, D. ; Fernandes,
V. A.; Bhandari, N.; Goswami, J. N.; Wieczorek, M. A.; C1XS Science Team; Anand, Mahesh
; Holland, Andrew and Gow, Jason (2011). Lunar X-ray fluorescence observations
by the Chandrayaan-1 X-ray Spectrometer (C1XS): results from the nearside southern
highlands. Icarus, 214(1) pp. 53–66. |
| 29977 |
label |
Narendranath, S.; Athiray, P. S.; Sreekumar, P.; Kellett, B. J.; Alha, L.; Howe,
C. J.; Joy, K. H.; Grande, M.; Huovelin, J.; Crawford, I. A.; Unnikrishnan, U.; Lalita,
S.; Subramaniam, S.; Weider, S. Z.; Nittler, L. R.; Gasnault, O.; Rothery, D. ; Fernandes,
V. A.; Bhandari, N.; Goswami, J. N.; Wieczorek, M. A.; C1XS Science Team; Anand, Mahesh
; Holland, Andrew and Gow, Jason (2011). Lunar X-ray fluorescence observations
by the Chandrayaan-1 X-ray Spectrometer (C1XS): results from the nearside southern
highlands. Icarus, 214(1) pp. 53–66. |
| 29977 |
Title |
Lunar X-ray fluorescence observations by the Chandrayaan-1 X-ray Spectrometer (C1XS):
results from the nearside southern highlands |
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in dataset |
oro |