1996
DOI: 10.1016/0021-9169(95)00113-1
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Calculations and ground-based observations of pulsed proton events in the dayside aurora

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Cited by 15 publications
(16 citation statements)
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“…The Balmer decrement, defined as the ratio of the total brightness of the H α to H β lines in proton aurora, has been the focus of both experimental and theoretical studies for the last 40 years [e.g., Eather , 1967; Rees , 1982; Van Zyl et al , 1984; Srivastava and Singh , 1987; Sigernes et al , 1994a, 1994b; Sigernes et al , 1996, and references therein]. This ratio could, in principle, yield information on the spectral characteristics of the incoming protons [ Sigernes et al , 1996].…”
Section: Introductionmentioning
confidence: 99%
“…The Balmer decrement, defined as the ratio of the total brightness of the H α to H β lines in proton aurora, has been the focus of both experimental and theoretical studies for the last 40 years [e.g., Eather , 1967; Rees , 1982; Van Zyl et al , 1984; Srivastava and Singh , 1987; Sigernes et al , 1994a, 1994b; Sigernes et al , 1996, and references therein]. This ratio could, in principle, yield information on the spectral characteristics of the incoming protons [ Sigernes et al , 1996].…”
Section: Introductionmentioning
confidence: 99%
“…From the exit slit, a light pipe ducts the light to a thermoelectricallycooled GaAs photomultiplier tube that has a nearly uniform spectral response across the wavelength region of interest. Both spectrometers have a field of view of 4-5 • along the entrance slit and are aligned to the local magnetic zenith, which is approximately 8 • south of geographic zenith in the magnetic meridian plane [26].…”
Section: Optical Instrumentsmentioning
confidence: 99%
“…As such, MSP measurements provide a crucial context on the latitude extent of the proton and electron aurora (e.g. Sigernes et al, 1996a;Deehr et al, 1998;Lorentzen and Moen, 2000;Lanchester et al, 2003). Photometric observations around auroral emissions including H emissions have also been used in support of rocket campaigns aimed at proton aurora studies to facilitate the launch decision and provide auroral context and conditions along the flight path (e.g.…”
Section: Scientific Achievementsmentioning
confidence: 99%
“…A profile was acquired every 16 s, but up to 15 scans are averaged together to improve the signal-to-noise ratio, yielding a time resolution of 4 min. Two EFS (0.5 and 1 m) measuring near H a or H b have been used for observing proton aurora from Svalbard (Sigernes et al, 1996a;Deehr et al, 1998;Lorentzen et al, 1998). For a 1 mm slit, the FWHM of the H Balmer spectrograph is between 0.2 and 0.6 nm.…”
Section: Instruments and Techniquesmentioning
confidence: 99%
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