Observable gravitational waves from tidal disruption events and their electromagnetic counterpart
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Observable gravitational waves from tidal disruption events and their electromagnetic counterpart. / Pfister, Hugo; Toscani, Martina; Wong, Thomas Hong Tsun; Dai, Jane Lixin; Lodato, Giuseppe; Rossi, Elena M.
In: Monthly Notices of the Royal Astronomical Society, Vol. 510, No. 2, 02.2022, p. 2025-2040.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Observable gravitational waves from tidal disruption events and their electromagnetic counterpart
AU - Pfister, Hugo
AU - Toscani, Martina
AU - Wong, Thomas Hong Tsun
AU - Dai, Jane Lixin
AU - Lodato, Giuseppe
AU - Rossi, Elena M.
PY - 2022/2
Y1 - 2022/2
N2 - We estimate the rate of tidal disruption events (TDEs) that will be detectable with future gravitational wave detectors as well as the most probable properties of these events and their possible electromagnetic counterpart. To this purpose, we combine standard gravitational waves and electromagnetic results with detailed rates estimates. We find that the Laser Interferometer Space Antenna (LISA) should not detect any TDEs, unless black holes (BHs) are typically embedded by a young stellar population, which, in this situation, could lead up to few 10 events during the duration of the mission. If there are gravitational wave observations, these events should also be observable in the X-ray or the optical/UV part of the electromagnetic spectrum, which may open up the multimessenger era for TDEs. The generation of detectors following LISA will at least yearly observe 104 TDEs at cosmological distances, allowing to do population studies and constrain the black hole mass function. In all cases, most probable events should be around black holes with a mass such that the Keplerian frequency at the Schwarzschild radius is similar to the optimal frequency of the detector and with a large penetration factor.
AB - We estimate the rate of tidal disruption events (TDEs) that will be detectable with future gravitational wave detectors as well as the most probable properties of these events and their possible electromagnetic counterpart. To this purpose, we combine standard gravitational waves and electromagnetic results with detailed rates estimates. We find that the Laser Interferometer Space Antenna (LISA) should not detect any TDEs, unless black holes (BHs) are typically embedded by a young stellar population, which, in this situation, could lead up to few 10 events during the duration of the mission. If there are gravitational wave observations, these events should also be observable in the X-ray or the optical/UV part of the electromagnetic spectrum, which may open up the multimessenger era for TDEs. The generation of detectors following LISA will at least yearly observe 104 TDEs at cosmological distances, allowing to do population studies and constrain the black hole mass function. In all cases, most probable events should be around black holes with a mass such that the Keplerian frequency at the Schwarzschild radius is similar to the optimal frequency of the detector and with a large penetration factor.
KW - transients: tidal disruption events
KW - gravitational waves
KW - SUPERMASSIVE BLACK-HOLES
KW - STELLAR DISRUPTION
KW - ACCRETION DISCS
KW - STARS
KW - SIMULATIONS
KW - RATES
KW - EMISSION
KW - GALAXIES
KW - MASSES
U2 - 10.1093/mnras/stab3387
DO - 10.1093/mnras/stab3387
M3 - Journal article
VL - 510
SP - 2025
EP - 2040
JO - Royal Astronomical Society. Monthly Notices
JF - Royal Astronomical Society. Monthly Notices
SN - 0035-8711
IS - 2
ER -
ID: 301364880