Impacts on the IXO observing efficiency

Michael Garcia; Randall Smith; Jay Bookbinder; Dan Patnaude; Maria Santos-Lleo; Matthias Ehle; Pedro Rodriguez

doi:10.1117/12.857437

29 July 2010 Impacts on the IXO observing efficiency

Michael Garcia, Randall Smith, Jay Bookbinder, Dan Patnaude, Maria Santos-Lleo, Matthias Ehle, Pedro Rodriguez

Proceedings Volume 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray; 773244 (2010) https://doi.org/10.1117/12.857437
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The International X-ray Observatory (IXO) has a top level requirement that the observing efficiency be 85%. This is a challenging requirement, given that the observing efficiencies for CXO and XMM-Newton are between 60% and 70%. However, the L2 orbit for IXO means that it will not be subject to the earth block/radiation zone effects that are seen for CXO and XMM-Newton. Outside of these effects the efficiencies for CXO and XMM-Newton do approach 85%, so this requirement appears achievable for IXO. In this paper we itemize the effects which impact the observing efficiency, in order to guide the design of the observatory. Meeting the 85% requirement should be possible but will require careful attention to detail.

Citation Download Citation

Michael Garcia, Randall Smith, Jay Bookbinder, Dan Patnaude, Maria Santos-Lleo, Matthias Ehle, and Pedro Rodriguez "Impacts on the IXO observing efficiency", Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 773244 (29 July 2010); https://doi.org/10.1117/12.857437

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