Near Real-Time Gravitational Wave Data Analysis of the Massive Black Hole Binary with TianQin

Abstract

Space-borne gravitational wave (GW) detectors can detect the merger of massive black holes. The early warning and localization of GW events before merging can be used to inform electromagnetic telescopes and conduct multimessenger observations. However, this requires real-time data transmission and analysis capabilities. The geocentric orbit of the space-borne GW detector TianQin makes it possible to conduct real-time data transmission. In this study, we develop a search and localization pipeline for massive black hole binaries (MBHBs) with TianQin under both regular and real-time data transmission modes. We demonstrate that, with real-time data transmission, MBHBs can be accurately localized on the fly. With the approaching merger, each analysis can be finished in only 40 min. For an MBHB system at a distance of 1 Gpc, if we receive data every hour, then we can pinpoint its location to within less than 1 deg${}^2$ on the final day before the merger.

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Cited by in corpus (9)

• Gravitational Wave Astronomy With TianQin
• Gravitational Wave Measurement in the Mid-Band with Atom Interferometers
• Fundamental Physics and Cosmology with TianQin
• Dealing with data gaps for TianQin with massive black hole binary signal
• Probing the Spin-Induced Quadrupole Moment of Massive Black Holes with the Inspiral of Binary Black Holes
• Fast detection and reconstruction of merging Massive Black Hole Binary signals
• Signal-to-noise Ratio Analytic Formulae of the Inspiral Binary Black Holes in TianQin
• Constructing a gravitational wave analysis pipeline for extremely large mass ratio inspirals
• Evaluating statistical significance for massive black hole binary mergers with space-based gravitational wave detectors