Flare X-ray photochemistry of the E region ionosphere of Mars

Haider, S. A. ; Batista, I. S. ; Abdu, M. A. ; Santos, A. M. ; Shah, Siddhi Y. ; Thirupathaiah, P. (2016) Flare X-ray photochemistry of the E region ionosphere of Mars Journal of Geophysical Research: Space Physics, 121 (7). pp. 6870-6888. ISSN 2169-9380

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/2016JA0...

Related URL: http://dx.doi.org/10.1002/2016JA022435


Based on electron density profiles obtained from the Mars Global Surveyor (MGS) we report X-ray flare responses in the E region ionosphere of Mars during six events that occurred on 28 March and 6 April 2001, 17 and 18 March and 21 April 2003, and 19 February 2005. We have developed a time-dependent Analytical Yield Spectrum model to calculate a time series of photoionization rate, photoelectron impact ionization rate, photoelectron flux, ion density, electron density, and ionospheric electron content (IEC) of the E region for each flare day. The estimated production rate, flux, and densities increase by 1–2 orders of magnitude due to effect of these flares in the E region ionosphere of Mars. The estimated IEC are compared with the measured IEC. It is found that the normalized IEC of the simulated E layer increased by a factor of 5–10 at the flare time compared to a factor of 2 enhancements in the normalized IEC of the corresponding MGS profiles.

Item Type:Article
Source:Copyright of this article belongs to American Geophysical Union.
ID Code:101992
Deposited On:31 Jan 2018 09:05
Last Modified:31 Jan 2018 09:05

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