Multi-wavelength properties of z ≳ 6 Laser Interferometer Space Antenna detectable events Srija Chakraborty, Simona Gallerani, Fabio Di Mascia, Tommaso Zana, Milena Valentini, Stefano Carniani, Fabio Vito and Maulik Bhatt A&A, 698 (2025) A268 Published online: 19 June 2025 DOI: 10.1051/0004-6361/202452926