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What we can learn from multi-band observations of black hole binaries

Cutler, Curt and Berti, Emanuele and Jani, Karan and Kovetz, Ely D. and Randall, Lisa and Vitale, Salvatore and Wong, Kaze W. K. and Holley-Bockelmann, Kelly and Larson, Shane L. and Littenberg, Tyson and McWilliams, Sean T. and Mueller, Guido and Schnittman, Jeremy D. and Shoemaker, David H. and Vallisneri, Michele (2019) What we can learn from multi-band observations of black hole binaries. Astro2020 Science White Paper, . (Unpublished) https://resolver.caltech.edu/CaltechAUTHORS:20191217-105333186

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Abstract

The LIGO/Virgo gravitational-wave (GW) interferometers have to-date detected ten merging black hole (BH) binaries, some with masses considerably larger than had been anticipated. Stellar-mass BH binaries at the high end of the observed mass range (with "chirp mass" M ≳ 25M⊙) should be detectable by a space-based GW observatory years before those binaries become visible to ground-based GW detectors. This white paper discusses some of the synergies that result when the same binaries are observed by instruments in space and on the ground. We consider intermediate-mass black hole binaries (with total mass M∼10²−10⁴ M⊙) as well as stellar-mass black hole binaries. We illustrate how combining space-based and ground-based data sets can break degeneracies and thereby improve our understanding of the binary's physical parameters. While early work focused on how space-based observatories can forecast precisely when some mergers will be observed on the ground, the reverse is also important: ground-based detections will allow us to "dig deeper" into archived, space-based data to confidently identify black hole inspirals whose signal-to-noise ratios were originally sub-threshold, increasing the number of binaries observed in both bands by a factor of ∼4−7.


Item Type:Report or Paper (White Paper)
Related URLs:
URLURL TypeDescription
http://arxiv.org/abs/1903.04069arXivDiscussion Paper
ORCID:
AuthorORCID
Berti, Emanuele0000-0003-0751-5130
Wong, Kaze W. K.0000-0001-8432-7788
Mueller, Guido0000-0001-8010-742X
Vallisneri, Michele0000-0002-4162-0033
Additional Information:White Paper submitted to Astro2020 (2020 Decadal Survey on Astronomy and Astrophysics).
Group:TAPIR
Series Name:Astro2020 Science White Paper
Record Number:CaltechAUTHORS:20191217-105333186
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20191217-105333186
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100328
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:17 Dec 2019 19:02
Last Modified:09 Mar 2020 13:19

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