Journal
PHYSICAL REVIEW LETTERS
Volume 120, Issue 19, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.120.191103
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Funding
- NASA ATP [NNX14AP92G]
- NSF [AST-1716762]
- National Science Foundation Graduate Research Fellowship Program [DGE-1324585]
- CIERA
- National Aeronautics and Space Administration through a Chandra [TM5-16004X/NAS8-03060, NAS8-03060]
- Hubble Space Telescope Archival research (from the Space Telescope Science Institute) [HST-AR-14555.001-A]
- Association of Universities for Research in Astronomy, Incorporated, under NASA [NAS5-26555]
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We explore the formation of double-compact-object binaries in Milky Way (MW) globular clusters (GCs) that may be detectable by the Laser Interferometer Space Antenna (LISA). We use a set of 137 fully evolved GC models that, overall, effectively match the properties of the observed GCs in the MW. We estimate that, in total, the MW GCs contain similar to 21 sources that will be detectable by LISA. These detectable sources contain all combinations of black hole (BH), neutron star, and white dwarf components. We predict similar to 7 of these sources will be BH-BH binaries. Furthermore, we show that some of these BH-BH binaries can have signal-to-noise ratios large enough to be detectable at the distance of the Andromeda galaxy or even the Virgo cluster.
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