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MULTIPLE SUPERNOVA EXPLOSIONS INSIDE A WIND-BLOWN BUBBLE
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  • MULTIPLE SUPERNOVA EXPLOSIONS INSIDE A WIND-BLOWN BUBBLE
  • MULTIPLE SUPERNOVA EXPLOSIONS INSIDE A WIND-BLOWN BUBBLE
저자명
Cho. Hyun-Jin,Kang. Hye-Sung
간행물명
Journal of the Korean astronomical society
권/호정보
2007년|40권 4호|pp.161-164 (4 pages)
발행정보
한국천문학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

We calculate the evolution of multiple supernova (SN) explosions inside a pre-exiting bubble blown up by winds from massive stars, using one-dimensional hydrodynamic simulations including radiative cooling and thermal conduction effects. First, the development of the wind bubble driven by collective winds from multiple stars during the main sequence is calculated. Then multiple SN explosion is loaded at the center of the bubble and the evolution of the SN remnant is followed for $10^6$ years. We find the size and mass of the SN-driven shell depend on the structure of the pre-existing wind bubble as well as the total SN explosion energy. Most of the explosion energy is lost via radiative cooling, while about 10% remains as kinetic energy and less than 10% as thermal energy of the expanding bubble shell. Thus the photoionization and heating by diffuse radiation emitted by the shock heated gas is the most dominant form of SN feedback into the surrounding interstellar medium.