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The '''Einstein Probe''' (EP) is an [[X-ray]] [[space telescope]] mission by [[Chinese Academy of Sciences]] (CAS) in partnership with [[ESA]] and the [[Max Planck Institute for Extraterrestrial Physics]] (MPE) dedicated to time-domain [[high-energy astrophysics]].<ref>{{cite web |title=Einstein Probe in a nutshell |url=https://www.esa.int/ESA_Multimedia/Images/2023/12/Einstein_Probe_in_a_nutshell |website=www.esa.int |access-date=28 December 2023 |language=en}}</ref><ref name="factsheet">{{cite web |title=Einstein Probe factsheet |url=https://www.esa.int/Science_Exploration/Space_Science/Einstein_Probe_factsheet |website=www.esa.int |access-date=28 December 2023 |language=en}}</ref> The primary goals are "to discover high-energy transients and monitor variable objects".<ref>{{cite web |title=Einstein Probe Time Domain Astronomical Information Center |url=https://ep.bao.ac.cn/ep/ |website=ep.bao.ac.cn |access-date=28 December 2023}}</ref> It will carry two instruments: the Wide-field [[X-ray]] Telescope (WXT) and the Follow-up X-ray Telescope (FXT).<ref name="mpg">{{cite web |title=EinsteinProbe |url=https://www.mpe.mpg.de/7867826/EinsteinProbe |website=www.mpe.mpg.de |access-date=28 December 2023 |language=en}}</ref>
The '''Einstein Probe''' (EP) is an [[X-ray]] [[space telescope]] mission by [[Chinese Academy of Sciences]] (CAS) in partnership with [[ESA]] and the [[Max Planck Institute for Extraterrestrial Physics]] (MPE) dedicated to time-domain [[high-energy astrophysics]].<ref>{{cite web |title=Einstein Probe in a nutshell |url=https://www.esa.int/ESA_Multimedia/Images/2023/12/Einstein_Probe_in_a_nutshell |website=www.esa.int |access-date=28 December 2023 |language=en}}</ref><ref name="factsheet">{{cite web |title=Einstein Probe factsheet |url=https://www.esa.int/Science_Exploration/Space_Science/Einstein_Probe_factsheet |website=www.esa.int |access-date=28 December 2023 |language=en}}</ref> The primary goals are "to discover high-energy transients and monitor variable objects".<ref>{{cite web |title=Einstein Probe Time Domain Astronomical Information Center |url=https://ep.bao.ac.cn/ep/ |website=ep.bao.ac.cn |access-date=28 December 2023}}</ref> It will carry two instruments: the Wide-field [[X-ray]] Telescope (WXT) and the Follow-up X-ray Telescope (FXT).<ref name="mpg">{{cite web |title=EinsteinProbe |url=https://www.mpe.mpg.de/7867826/EinsteinProbe |website=www.mpe.mpg.de |access-date=28 December 2023 |language=en}}</ref>


FXT has optics adopted from [[eROSITA]], "the mirror module consists of 54 nested [[Wolter mirror]]s with a focal length of 1600 mm and an effective area of greater than 300 cm2 at 1.5 keV."<ref name="mpg"/> WXT has a new optics design, called "lobster-eye", that has wider field of view.<ref name="factsheet"/><ref name="mpg"/> "Lobster-eye" optics was first tested by by the [[Lobster Eye Imager for Astronomy]] (LEIA) mission, launched in 2022.<ref name="factsheet"/><ref>{{cite web |title=Einstein Probe Time Domain Astronomical Information Center |url=https://ep.bao.ac.cn/ep/cms/article/view?id=91 |website=ep.bao.ac.cn |access-date=28 December 2023}}</ref>
FXT has optics adopted from [[eROSITA]], "the mirror module consists of 54 nested [[Wolter mirror]]s with a focal length of 1600 mm and an effective area of greater than 300 cm2 at 1.5 keV."<ref name="mpg"/> WXT has a new optics design, called "lobster-eye", that has wider field of view.<ref name="factsheet"/><ref name="mpg"/> "Lobster-eye" optics was first tested by by the [[Lobster Eye Imager for Astronomy]] (LEIA) mission, launched in 2022.<ref name="factsheet"/><ref>{{cite web |title=Einstein Probe Time Domain Astronomical Information Center |url=https://ep.bao.ac.cn/ep/cms/article/view?id=91 |website=ep.bao.ac.cn |access-date=28 December 2023}}</ref><ref>[https://www.space.com/china-lobster-eye-x-ray-telescope-1st-images]</ref>


The probe weights 1450 kg and is 3-by-3.4 metres.<ref name="factsheet"/>
The probe weights 1450 kg and is 3-by-3.4 metres.<ref name="factsheet"/>

Revision as of 16:12, 28 December 2023

Not to be confused with Einstein Observatory.

The Einstein Probe (EP) is an X-ray space telescope mission by Chinese Academy of Sciences (CAS) in partnership with ESA and the Max Planck Institute for Extraterrestrial Physics (MPE) dedicated to time-domain high-energy astrophysics.[1][2] The primary goals are "to discover high-energy transients and monitor variable objects".[3] It will carry two instruments: the Wide-field X-ray Telescope (WXT) and the Follow-up X-ray Telescope (FXT).[4]

FXT has optics adopted from eROSITA, "the mirror module consists of 54 nested Wolter mirrors with a focal length of 1600 mm and an effective area of greater than 300 cm2 at 1.5 keV."[4] WXT has a new optics design, called "lobster-eye", that has wider field of view.[2][4] "Lobster-eye" optics was first tested by by the Lobster Eye Imager for Astronomy (LEIA) mission, launched in 2022.[2][5][6]

The probe weights 1450 kg and is 3-by-3.4 metres.[2]

EP is planned to be launched in January 2024 by Chang Zheng rocket from the Xichang Satellite Launch Centre in China, and will be placed to low Earth orbit.[2]

References

  1. ^ "Einstein Probe in a nutshell". www.esa.int. Retrieved 28 December 2023.
  2. ^ a b c d e "Einstein Probe factsheet". www.esa.int. Retrieved 28 December 2023.
  3. ^ "Einstein Probe Time Domain Astronomical Information Center". ep.bao.ac.cn. Retrieved 28 December 2023.
  4. ^ a b c "EinsteinProbe". www.mpe.mpg.de. Retrieved 28 December 2023.
  5. ^ "Einstein Probe Time Domain Astronomical Information Center". ep.bao.ac.cn. Retrieved 28 December 2023.
  6. ^ [1]

Further reading

  • Yuan, Weimin; Zhang, Chen; Chen, Yong; Ling, Zhixing (2022). "The Einstein Probe Mission". pp. 1–30. arXiv:2209.09763.
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