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  • 1
    Publication Date: 2019-07-13
    Description: Coalescing supermassive black holes are expected to provide the strongest sources for gravitational radiation detected by LISA. Recent advances in numerical relativity provide a detailed description of the waveforms of such signals. We present a preliminary study of LISA's sensitivity to waveform parameters using a hybrid numerical/analytic waveform describing the coalescence of two equal-mass, nonspinning black holes. The Synthetic LISA software package is used to simulate the instrument response and the Fisher information matrix method is used to estimate errors in the waveform parameters. Initial results indicate that inclusion of the merger signal can significantly improve the precision of some parameter estimates. For example, the median parameter errors for an ensemble of systems with total redshifted mass of 10(exp 6) deg M solar mass at a redshift of z is approximately 1 were found to decrease by a factor of slightly more than two when the merger was included.
    Keywords: Numerical Analysis
    Type: 7th International LISA Symposium/Space Sciences Institute of California (IEEC); Jun 16, 2008 - Jun 20, 2008; Barcelona; Spain
    Format: application/pdf
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  • 2
    Publication Date: 2019-07-13
    Description: Results: Developed parameter estimation model integrating complete waveforms and improved instrumental models. Initial results for equal-mass non-spinning systems indicate moderate improvement in most parameters, significant improvement in some Near-term improvement: a) Improved statistics; b) T-channel; c) Larger parameter space coverage. Combination with other results: a) Higher harmonics; b) Spin precession; c) Instrumental effects.
    Keywords: Numerical Analysis
    Type: 7th International LISA Symposium/Space Sciences Institute of Catalonia; Jun 16, 2008 - Jun 20, 2008; Barcelona; Spain
    Format: application/pdf
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