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- W2089926609 abstract "Abstract Using coordinated observations of the June 26 1992 post-flare loops (Yohkoh-SXT and MSDP at Pic-du-Midi), we have analyzed the physical conditions in both hot and cool loops and studied their spatial structure and temporal evolution. Coalignment of high-resolution images from SXT and MSDP indicates that the cool Hα loops are located just below the hot ones and that the whole loop system grows in time with a velocity 1.4 km s −1 . The temperature of hot loops as derived from SXT data amounts to 5 × 10 6 K , while the cool loops have temperatures around 10 4 K. The electron density of hot loops was estimated from SXT emission-measure analysis to 7 × 10 9 cm −3 , while Hα integrated intensity gives an electron density in cool loops of 2.2 × 10 10 cm −3 . With these plasma parameters we have solved the energy equation in order to estimate the cooling time. The basic result of this work is that the cooling time is comparable to the characteristic growing time of the loop system (∼ 1500 – 2000 sec), which is in agreement with the scenario of the post-flare loop system development." @default.
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- W2089926609 date "1996-01-01" @default.
- W2089926609 modified "2023-10-16" @default.
- W2089926609 title "Structure and evolution of post-flare loops: Analysis of Yohkoh and MSDP observations" @default.
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- W2089926609 doi "https://doi.org/10.1016/0273-1177(95)00551-o" @default.
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