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New Concepts for Space-Based Gravitational Wave MissionsThe most astrophysically interesting sources in the gravitational wave spectrum lie in the low-frequency band (0.0001 - 1 Hz), which is only accessible from space. For two decades, the LISA concept has been the leading contender for a detector in this band. Despite a strong recommendation from Astro2010, there is strong motivation to find a less expensive concept, even at the loss of some science. We are searching for a lower cost mission concept by examining alternate orbits, less-capable measurement concepts, radically different implementations of the measurement concept and other cost-saving ideas. We report the results of our searches to date, and summarize the analyses behind them.
Document ID
20110013265
Acquisition Source
Goddard Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Stebbins, Robin T. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Baker, J. G. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Cooley, D. S. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Gallagher, R. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hughes, S. P. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Livas, J. C. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Simpson, J. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Thorpe, J. I. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Welter, G. L. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 25, 2013
Publication Date
January 1, 2011
Subject Category
Astrophysics
Report/Patent Number
GSFC.ABS.4428.2011
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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