https://doi.org/10.1140/epjc/s10052-023-12134-1
Regular Article - Theoretical Physics
Supernova calibration by gravitational waves
School of Physics, Huazhong University of Science and Technology, 430074, Wuhan, Hubei, China
Received:
29
April
2023
Accepted:
13
October
2023
Published online:
21
October
2023
Hubble tension is one of the most important problems in cosmology. Although the local measurements on the Hubble constant with Type Ia supernovae (SNe Ia) are independent of cosmological models, they suffer the problem of zero-point calibration of the luminosity distance. The observations of gravitational waves (GWs) with space-based GW detectors can measure the luminosity distance of the GW source with high precision. By assuming that massive binary black hole mergers and SNe Ia occur in the same host galaxy, we study the possibility of re-calibrating the luminosity distances of SNe Ia by GWs. Then we use low-redshift re-calibrated SNe Ia to determine the local Hubble constant. We find that we need at least 7 SNe Ia with their luminosity distances re-calibrated by GWs to reach a 2% precision of the local Hubble constant. The value of the local Hubble constant is free from the problems of zero-point calibration and model dependence, so the result can shed light on the Hubble tension.
© The Author(s) 2023
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