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Plasma sheet stretching accompanied by field aligned energetic ion fluxes observed by the NUADU instrument aboard TC-2

Barabash, S.; Zhang, T. L.; Carr, C. M. +6 more

The NUADU (NeUtral Atom Detector Unit) instrument aboard TC-2 recorded 4л solid angle images of charged particles (E >180 keV) spiraling around the magnetic field lines in the near-Earth plasma sheet (at -7 RE, equatorial dawn-to-night side) during a geomagnetic storm (Dst =-219 nT) on August 24, 2005. Energetic ion beam events characterized b…

Double Star TC-1 observation of the earthward flowing plasmoids in the near magnetotail

Reme, H.; Shen, Chao; Carr, C. M. +4 more

We analyze Double Star TC-1 magnetic field data from July to September in 2004 and find that plasmoids exist in the very near-Earth magnetotail. It is the first time that TC-1 observes the plasmoids in the magnetotail at X > -13 RE. According to the difference of the magnetic field structure in plasmoids, we choose two typical cases for our stu…

Continuous tailward flow in the near-Earth magnetotail observed by TC-1 satellite

Shen, Chao; Zhang, LingQian; Liu, ZhenXing +2 more

On July 11, 2004, a substorm process in the period of continuous tailward flow was observed by the joint exploration of the TC-1, IMAGE and ACE satellites. The substorm observed by the TC-1 in the near-Earth has three stages: the growth phase (from 11:43 to 12:19), the pre-expansion process (from 12:19 to 12:28) and the dipolarization process. The…

The distribution characteristics of the flows in the near-Earth region: TC-1 observational results

Shen, Chao; Zhang, LingQian; Liu, ZhenXing +4 more

TC-1 observational results clearly indicate that the velocity of the flows in the near-Earth region is dependent on the satellite location. The flow speed decreases while satellite moves close to the Earth. The plasma flow in the region close to the Earth tends to drift into the midnight region from the dawn and dusk region while the flow in the r…