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	Atmospheric pressure and CO_2 concentration of potential habitable planet HD40307g
	TIAN Feng ; TIAN Feng
	2016-03-30 ; 2016-03-30
关键词	exoplanet atmosphere exoplanet climate exoplanet life habitable zone habitable planet P185
其他题名	Atmospheric pressure and CO_2 concentration of potential habitable planet HD40307g
中文摘要	HD40307g is the closest potentially habitable planet discovered today orbiting a K2V star and will be a prime target for future TPF-like missions if its existence is confirmed.Although the atmosphere of HD40307g should be denser and contain more CO2 judging from the amount of radiation it receives from its star,it is unknown how dense and how much CO2 the planetary atmosphere should have.Thus more knowledge on its atmosphere is useful.For HD40307g to have Earth-like climate(288 K global mean surface temperature),we obtain the following combination of atmospheric pressure and CO2 mixing ratio:(1)10-bar+3%CO2;(2)5-bar+10%CO2;(3)3-bar+30%CO2.; HD40307g is the closest potentially habitable planet discovered today orbiting a K2V star and will be a prime target for future TPF-like missions if its existence is confirmed. Although the atmosphere of HD40307g should be denser and contain more CO2 judging from the amount of radiation it receives from its star, it is unknown how dense and how much CO2 the planetary atmosphere should have. Thus more knowledge on its atmosphere is useful. For HD40307g to have Earth-like climate(288 K global mean surface temperature), we obtain the following combination of atmospheric pressure and CO2 mixing ratio:(1) 10-bar+3% CO2;(2) 5-bar+10% CO2;(3) 3-bar+30% CO2.
语种	英语 ; 英语
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/145835]
专题	清华大学
推荐引用方式 GB/T 7714	TIAN Feng,TIAN Feng. Atmospheric pressure and CO_2 concentration of potential habitable planet HD40307g[J],2016, 2016.
APA	TIAN Feng,&TIAN Feng.(2016).Atmospheric pressure and CO_2 concentration of potential habitable planet HD40307g..
MLA	TIAN Feng,et al."Atmospheric pressure and CO_2 concentration of potential habitable planet HD40307g".(2016).

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