Search Results - "Zoennchen, J. H."
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Terrestrial exospheric hydrogen density distributions under solar minimum and solar maximum conditions observed by the TWINS stereo mission
Published in Annales geophysicae (1988) (27-03-2015)“…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…”
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Soft X‐ray and ENA Imaging of the Earth's Dayside Magnetosphere
Published in Journal of geophysical research. Space physics (01-03-2021)“…The LEXI and SMILE missions will provide soft X‐ray images of the Earth's magnetosheath and cusps after their anticipated launch in 2023 and 2024,…”
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Exospheric hydrogen density distributions for equinox and summer solstice observed with TWINS1/2 during solar minimum
Published in Annales geophysicae (1988) (19-03-2013)“…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…”
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The TWINS exospheric neutral H-density distribution under solar minimum conditions
Published in Annales geophysicae (1988) (01-12-2011)“…Terrestrial exospheric atomic hydrogen (H) resonantly scatters solar Lyman-α (121.567 nm) radiation, observed as the glow of the H-geocorona. The Two…”
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3-D-geocoronal hydrogen density derived from TWINS Ly-α-data
Published in Annales geophysicae (1988) (01-06-2010)“…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)…”
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Terrestrial Exospheric Dayside H-density Profile at 3 - 15 RE from UVIS/HDAC and TWINS Lyman-alpha Data Combined
Published in Annales geophysicae (1988) (06-05-2022)“…Terrestrial ecliptic dayside observations of the exospheric Lyman-α column intensity between 3–15 Earth radii (RE) by UVIS/HDAC (UVIS – ultraviolet imaging…”
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The response of the H geocorona between 3 and 8 Re to geomagnetic disturbances studied using TWINS stereo Lyman-α data
Published in Annales geophysicae (1988) (01-02-2017)“…Circumterrestrial Lyman-α column brightness observations from 3–8 Earth radii (Re) have been used to study temporal density variations in the exospheric…”
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Neutralized solar wind ahead of the Earth's magnetopause as contribution to non-thermal exospheric hydrogen
Published in Annales geophysicae (1988) (21-03-2018)“…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…”
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3-D-geocoronal hydrogen density derived from TWINS Ly-ð-data
Published in Annales geophysicae (1988) (01-06-2010)“…Based on Ly-ð-line-of-sight measurements taken with two Ly-ð detectors onboard of the satellite TWINS1 (Two Wide-angle Imaging Neutral-atom Spectrometers)…”
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3-D-geocoronal hydrogen density derived from TWINS Ly-[alpha]-data
Published in Annales geophysicae (1988) (01-06-2010)“…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)…”
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