Search Publications
Close up observation and inversion of low-altitude ENA emissions during a substorm event
McKenna-Lawlor, Susan; Lu, Li; Balaz, Jan
During a series of substorm events on November 12 2004, the Neutral Atom Detector Unit (NUADU) flying onboard the TC-2 spacecraft observed, close to perigee, bright low-altitude Energetic Neutral Atom (ENA) emissions from both north and south poles. Through utilizing high temporal and spatial resolution data inversion techniques we present here a …
The causal sequence investigation of the ring current ion-flux increasing and the magnetotail ion injection during a major storm
Cao, JinBin; Li, Lu; McKenna-Lawlor, S. +2 more
Comprehensive records are available in ENA data of ring current activity recorded by the NUADU instrument aboard TC-2 on 15 May, 2005 during a major magnetic storm (which incorporated a series of substorms). Ion fluxes at 4-min temporal resolution derived from ENA data in the energy ranges 50-81 and 81-158 keV are compared with in situ particle fl…
Some properties of field-aligned electron events in high-altitude polar regions
Zhang, ZiYing; Shi, JianKui; Zhou, MingQuan +2 more
Using data from the Cluster spacecraft from January 2003 to December 2004, we perform a statistical study on some properties of the field-aligned electron (FAE) events and interplanetary magnetic field (IMF) By dependence of FAE events with different durations in high-altitude polar regions. A total of 1335 FAE events were observed by the C3 space…
Global frequency distributions of pulsations driven by sharp decrease of solar wind dynamic pressure
Wang, Zhi Qiang
On 24 August 2005, an impulse of solar wind dynamic pressure (Psw) hit the magnetosphere. Using the high resolution geomagnetic field data from 15 ground stations and the data from Geotail and TC-1, we studied the geomagnetic pulsations at auroral latitudes driven by the sharp decrease of Psw at the trailing edge of the impulse. The results show t…