Eccentricity without Measuring Eccentricity: Discriminating among Stellar Mass Black Hole Binary Formation Channels - INSPIRE

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Eccentricity without Measuring Eccentricity: Discriminating among Stellar Mass Black Hole Binary Formation Channels

Jul 4, 2019

7 pages

Published in:

Astrophys.J. 914 (2021) 2, 75

Published: Jun 17, 2021

e-Print:

1907.02283 [astro-ph.HE]

DOI:

10.3847/1538-4357/abfd2c

View in:

ADS Abstract Service

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Abstract: (IOP)

We show how the observable number of binaries in LISA is affected by eccentricity through its influence on the peak gravitational-wave frequency, enhanced binary number density required to produce the LIGO observed rate, and the reduced signal-to-noise ratio (S/N) for an eccentric event. We also demonstrate how these effects should make it possible to learn about the eccentricity distribution and formation channels by counting the number of binaries as a function of frequency, even with no explicit detection of eccentricity. We also provide a simplified calculation for S/N of eccentric binaries.

Note:

7 pages

black hole: binary
binary: formation
gravitational radiation: frequency
black hole: mass
density
LISA
LIGO
noise

References(24)

Figures(6)

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