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arXiv 1003.1222astro-ph.SR
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主星周围的可居住带和UV宜居带

Habitable Zones and UV Habitable Zones around Host Stars

Jianpo Guo, Fenghui Zhang, Xianfei Zhang, Zhanwen Han

摘要:

紫外线对生命是一把双刃剑。如果它太强,地球生物系统将受到破坏。如果它太弱,许多生物化学化合物的合成就不能进行。我们试图获得连续的紫外线宜居带,并将紫外线宜居带与主星的宜居带进行比较。利用紫外适居带的边界紫外辐射,计算了质量为0.08 ~ 4.00 \mo的主星的紫外宜居带。对于有效温度低于4,600 K的主星,紫外线宜居带比宜居带更近。对于有效温度高于7,137 K的主星,紫外线宜居带远于宜居带。对于作为宿主星的热亚矮星来说,紫外线宜居带的距离比宜居带的距离要多十倍左右,不适合生命存在。

英文摘要:

Ultraviolet radiation is a double-edged sword to life. If it is too strong, the terrestrial biological systems will be damaged. And if it is too weak, the synthesis of many biochemical compounds can not go along. We try to obtain the continuous ultraviolet habitable zones, and compare the ultraviolet habitable zones with the habitable zones of host stars. Using the boundary ultraviolet radiation of ultraviolet habitable zone, we calculate the ultraviolet habitable zones of host stars with masses from 0.08 to 4.00 \mo. For the host stars with effective temperatures lower than 4,600 K, the ultraviolet habitable zones are closer than the habitable zones. For the host stars with effective temperatures higher than 7,137 K, the ultraviolet habitable zones are farther than the habitable zones. For hot subdwarf as a host star, the distance of the ultraviolet habitable zone is about ten times more than that of the habitable zone, which is not suitable for life existence.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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