Zobrazeno 1 - 10
of 36
pro vyhledávání: '"U. Nass"'
Publikováno v:
Annales Geophysicae, Vol 40, Pp 271-279 (2022)
Terrestrial ecliptic dayside observations of the exospheric Lyman-α column intensity between 3–15 Earth radii (RE) by UVIS/HDAC (UVIS – ultraviolet imaging spectrograph; HDAC – hydrogen-deuterium absorption cell) Lyman-α photometer at CASSINI
Externí odkaz:
https://doaj.org/article/492abe86688946c68c7de789e154e697
Publikováno v:
Annales Geophysicae, Vol 36, Pp 445-457 (2018)
In a most recent paper by Qin and Waldrop (2016), it had been found that the scale height of hydrogen in the upper exosphere of the Earth, especially during solar minimum conditions, appears to be surprisingly large. This indicates that during min
Externí odkaz:
https://doaj.org/article/a0e5d26045f54dacb55b7a22651a25d4
Publikováno v:
Annales Geophysicae, Vol 35, Pp 171-179 (2017)
Circumterrestrial Lyman-α column brightness observations from 3–8 Earth radii (Re) have been used to study temporal density variations in the exospheric neutral hydrogen as response to geomagnetic disturbances of different strength, i.e., Dst p
Externí odkaz:
https://doaj.org/article/cadb00a43cf54af594dc1cc2ca93c42c
Publikováno v:
Annales Geophysicae, Vol 33, Pp 413-426 (2015)
Circumterrestrial Lyman-α column brightness observations above 3 Earth radii (Re) have been used to derive separate 3-D neutral hydrogen density models of the Earth's exosphere for solar minimum (2008, 2010) and near-solar-maximum (2012) conditio
Externí odkaz:
https://doaj.org/article/4c83dcdc631a4be4ba5e2f7ce05e84b7
Publikováno v:
Annales Geophysicae, Vol 31, Pp 513-527 (2013)
The Lyman-α Detectors (LAD) on board the two TWINS 1/2-satellites allow for the simultaneous stereo imaging of the resonant emission glow of the H-geocorona from very different orbital positions. Terrestrial exospheric atomic hydrogen (H) resonan
Externí odkaz:
https://doaj.org/article/fe088f4eaf854c46bc51f797724fffc8
Publikováno v:
Annales Geophysicae, Vol 29, Pp 2211-2217 (2011)
Terrestrial exospheric atomic hydrogen (H) resonantly scatters solar Lyman-α (121.567 nm) radiation, observed as the glow of the H-geocorona. The Two Wide-angle Imaging Neutral-atom Spectrometers (TWINS) satellites are equiped with two Lyman-α l
Externí odkaz:
https://doaj.org/article/57f3bb82bbab4732b4f2c22e938c96c2
Publikováno v:
Annales Geophysicae, Vol 28, Pp 1221-1228 (2010)
Based on Ly-α-line-of-sight measurements taken with two Ly-α detectors onboard of the satellite TWINS1 (Two Wide-angle Imaging Neutral-atom Spectrometers) density profiles of the exospheric, neutral geocoronal hydrogen were derived for the time
Externí odkaz:
https://doaj.org/article/80c35dfc797143debb65c4eb4c2b7a22
Publikováno v:
OEM Forum Fahrzeugtüren und-klappen 2017
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ae6540eecfee7dc34981cb9e2886d8c
https://doi.org/10.51202/9783181022979-17
https://doi.org/10.51202/9783181022979-17
Publikováno v:
Astrophysics and Space Sciences Transactions. 2:27-31
The TWINS project (Two Wide-angle Imaging Neutral-atom Spectrometers) is mainly devoted to measure high energy neutral atoms (ENAs) originating via charge exchange of protons with geocoronal hydrogen atoms in the plasmasphere and magnetosphere. In or
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