Useful Life of Astrophysical Scientific Facilities  

作　　者：Patricia Marquez Oibar Martinez Jose Miguel Miranda Patricia Marquez;Oibar Martinez;Jose Miguel Miranda(Department of Matter Structure, Thermal Physics and Electronics, Faculty of Physics, Complutense University of Madrid, Spain)

机构地区：[1]Department of Matter Structure, Thermal Physics and Electronics, Faculty of Physics, Complutense University of Madrid, Spain

出　　处：《World Journal of Engineering and Technology》2021年第4期804-815,共12页世界工程和技术（英文）

摘　　要：Large-scale astrophysical facilities have become increasingly relevant in certain key areas of scientific research<span style="white-space:normal;font-size:10pt;font-family:;" "=""> </span><span style="white-space:normal;font-size:10pt;font-family:;" "="">but typically require strong financial investments. It is</span><span style="white-space:normal;font-size:10pt;font-family:;" "="">,</span><span style="white-space:normal;font-size:10pt;font-family:;" "=""> therefore</span><span style="white-space:normal;font-size:10pt;font-family:;" "="">,</span><span style="white-space:normal;font-size:10pt;font-family:;" "=""> crucial to gain a deep understanding </span><span style="white-space:normal;font-size:10pt;font-family:;" "="">of</span><span style="white-space:normal;font-size:10pt;font-family:;" "=""> what could be a foreseeable lifespan of a given instrument before providing the required fund to build it. In this paper</span><span style="white-space:normal;font-size:10pt;font-family:;" "="">,</span><span style="white-space:normal;font-size:10pt;font-family:;" "=""> we intend to contribute to this understanding with a study of the lifespan of past, current and future observatories and telescopes. The methodology has been based on the compilation of relevant data from twenty telescopes, three of them mounted on space satellites and the other seventeen distributed worldwide. An analysis of the main limiting factors that affect the lifetime of an astrophysical facility is also presented</span><span style="white-space:normal;font-size:10pt;font-family:;" "="">.</span>Large-scale astrophysical facilities have become increasingly relevant in certain key areas of scientific research<span style="white-space:normal;font-size:10pt;font-family:;" "=""> </span><span style="white-space:normal;font-size:10pt;font-family:;" "="">but typically require strong financial investments. It is</span><span style="white-space:normal;font-size:10pt;font-family:;" "="">,</span><span style="white-space:normal;font-size:10pt;font-family:;" "=""> therefore</span><span style="white-space:normal;font-size:10pt;font-family:;" "="">,</span><span style="white-space:normal;font-size:10pt;font-family:;" "=""> crucial to gain a deep understanding </span><span style="white-space:normal;font-size:10pt;font-family:;" "="">of</span><span style="white-space:normal;font-size:10pt;font-family:;" "=""> what could be a foreseeable lifespan of a given instrument before providing the required fund to build it. In this paper</span><span style="white-space:normal;font-size:10pt;font-family:;" "="">,</span><span style="white-space:normal;font-size:10pt;font-family:;" "=""> we intend to contribute to this understanding with a study of the lifespan of past, current and future observatories and telescopes. The methodology has been based on the compilation of relevant data from twenty telescopes, three of them mounted on space satellites and the other seventeen distributed worldwide. An analysis of the main limiting factors that affect the lifetime of an astrophysical facility is also presented</span><span style="white-space:normal;font-size:10pt;font-family:;" "="">.</span>

关 键 词：LIFESPAN OBSOLESCENCE Astrophysical Instruments Telescopes 

分 类 号：O17[理学—数学]