O2 density and temperature profiles retrieving from direct solar Lyman-alpha radiation measurements

Guineva, V.; Witt, G.; Gumbel, J.; Khaplanov, Mikhail; Werner, R.; Hedin, Jonas; Neichev, S.; Kirov, B.; Bankov, L.; Gramatikov, Pavlin; Tashev, V.; Popov, M.; Hauglund, K.; Hansen, G.; Ilstad, J.; Wold, Hal W.

doi:10.1134/s0016793209080532

Cited by 1 publication

(3 citation statements)

References 13 publications

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“…Low level of energetic electron fluxes > 30 keV during the whole flight is observed. Authors of [15] indicate that the oxygen number density profile has a maximum at ~ 89 km and thus most probably the electron precipitation (at least at high energies measured by PEEL) was not sufficiently energetic to affect the upper mesosphere and lower thermosphere region, and that the composition was dominated by large-scale dynamics. The variability of the high energy electron flux is ranging from ~ 10 to 2.…”

Section: Discussionmentioning

confidence: 99%

“…(7)(8)(9). There were several other instruments described in the Hot Pay 2 payload along with the results obtained, e.g., in papers [14][15][16][17][18]. The observations by PEEL indicate very low flux of high energy precipitating electrons during the HotPay-2 mission.…”

Section: Mechanical Designmentioning

confidence: 93%

“…The observations by PEEL indicate very low flux of high energy precipitating electrons during the HotPay-2 mission. In paper [15] the authors discussing the measurements of electron, oxygen and nitric oxide density profile during the same rocket flight, it is mentioned that the precipitation (electrons, protons) is not sufficiently energetic to affect the upper mesosphere and lower thermosphere (UMLT) region. Energetic electron precipitation directly affecting the UMLT altitude region do appear later during the continued Hotel Payload 2 ground-based measurement campaign in early February 2008.…”

Section: Mechanical Designmentioning

confidence: 99%

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Energetic Electrons Precipitating at High Latitudes: PEEL Data from HotPay-2 Mission

Balá¹,

Kudela

Sarris

2013

TOAEJ

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The instrument PEEL recorded low flux of precipitating energetic electrons during the flight of the HotPay-2 sounding rocket launched from Andoya Rocket Range (Lat. 69°.18'N, Long. 16°.01'E) on 31-JAN-2008 at 19:14:00 UT. After the brief description of the instrument, its possibilities and limitations to measure energetic electron flux in the upper atmosphere, the profile of counting rate obtained by the three detectors in four energy channels is presented. The epoch of solar activity minima and relatively low geomagnetic activity preceding the HotPay-2 mission, the detectors with given geometrical factor provided relatively low counting rate. Energetic particle precipitation contributes significantly to the energy deposition in the ionosphere and thus its measurements on rockets are important for the updating of models used in space weather forecasts. Such measurement device, can serve for space weather monitoring of energetic electrons present in the upper atmosphere. This type of in situ measurements can contribute to the completeness of the picture of electron flux (its high energy part) distribution and of its variability in the vicinity of Earth.

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Section: Discussionmentioning

confidence: 99%