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Title: Einstein Probe - A small mission to monitor and explore the dynamic X-ray Universe
Authors: Yuan, W.
Zhang, C.
Feng, H.
Zhang, S. N.
Ling, Z. X.
Zhao, D.
Deng, J.
Qiu, Y.
Osborne, Julian P.
O'Brien, P.
Willingale, R.
Lapington, J.
Fraser, G. W.
First Published: 5-Dec-2014
Presented at: SWIFT 10 (Swift: 10 Years of Discovery), 2-5 December 2014, La Sapienza University, Rome, Italy
Start Date: 2-Dec-2014
End Date: 5-Dec-2014
Publisher: proceedings of science
Citation: Proceedings of science, 2014, (SWIFT 10) 006
Abstract: Einstein Probe is a small mission dedicated to time-domain high-energy astrophysics. Its primary goals are to discover high-energy transients and to monitor variable objects in the 0.5-4 keV Xrays, at higher sensitivity by one order of magnitude than those of the ones currently in orbit. Its wide-field imaging capability, featuring a large instantaneous field-of-view (60°× 60°, ∼ 1:1 sr), is achieved by using established technology of micro-pore (MPO) lobster-eye optics, thereby offering unprecedentedly high sensitivity and large Grasp (effective area times field-of-view). To complement this powerful monitoring ability, it also carries a narrow-field, sensitive followup X-ray telescope based on the same MPO technology to perform follow-up observations of newly-discovered transients. Public transient alerts will be downlinked rapidly, so as to trigger multi-wavelength follow-up observations from the world-wide community. Over three of its 97- minute orbits almost the entire night sky will be sampled, with cadences ranging from 5 to 25 times per day. The scientific objectives of the mission are: to discover otherwise quiescent black holes over all astrophysical mass scales by detecting their rare X-ray transient flares, particularly tidal disruption of stars by massive black holes at galactic centers; to detect and precisely locate the electromagnetic sources of gravitational-wave transients; to carry out systematic surveys of Xray transients and characterise the variability of X-ray sources, such as high-redshift gamma-ray bursts, supernova shock breakouts, X-ray binaries of compact objects, gamma-ray bursts, active galactic nuclei and stellar coronal flares, etc. Einstein Probe has been selected as a candidate mission of priority (no further selection needed) in the Space Science Programme of the Chinese Academy of Sciences, aiming for launch around 2020.
eISSN: 1824-8039
Version: Publisher Version
Status: Peer-reviewed
Type: Conference Paper
Rights: Copyright © the authors, 2014. This version of the paper is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License (, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
Appears in Collections:Conference Papers & Presentations, Dept. of Physics and Astronomy

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