GW190814: Gravitational Waves from the Coalescence of a 23 M$_\odot$ Black Hole with a 2.6 M$_\odot$ Compact Object

• Main Authors: Adya, V. B, Agatsuma, K, Arnaud, N, Badaracco, F, Banagiri, S, Bankar, D, Bankar, R. S, Barta, D, Bischi, M, Bizouard, M. A, Blair, D. G, Bonnand, R, Booker, P, Bozzi, A, Brau, J. E, Bruno, G, Bulik, T, Chiadini, F, Chierici, R, Cho, G, Ciani, G, Cirone, A, Cohadon, P. -F, Coughlin, S. B, Cummings, R, Dana, A, Davis, D, Downes, T. P, Driggers, J. C, Dwyer, S. E, Eisenstein, R. A, Farr, B, Fiori, I, Fittipaldi, R, Fyffe, M, Giaime, J. A, Gibson, D. R, Goetz, E, Gras, S, Grimaldi, A, Hammond, G, Hasskew, R. K, Haster, C. -J, Heitmann, H, Hellman, F, Hough, J, Husa, S, Kim, W. S, Kirchhoff, R, Lasky, P. D, Laxen, M, Littenberg, T. B, Lockwood, A, Lundgren, A. P, Macfoy, S, Márka, S, Markowitz, A, Masalehdan, H, McCann, J. J, Mereni, L, Merritt, J. D, Metzdorff, R, Meyers, P. M, Minenkov, Y, Moraru, D, Morisaki, S, Nery, M, Neunzert, A, Ng, S, Pagano, G, Palamos, J. R, Pankow, C, Pant, B. C, Phelps, M, Poggiani, R, Quinonez, P. J, Rafferty, H, Regimbau, T, Rettegno, P, Robertson, N. A, Rosińska, D, Sachdev, S, Sadecki, T, Schaetzl, D, Schwartz, E, Shoemaker, D. M, Spencer, A. P, Spera, M, Stops, D. J, Strunk, A, Tanasijczuk, A. J, Taylor, R, Thompson, J. E, Travasso, F, Tringali, M. C, Broeck, C. Van Den, Wei, L. -W, Wellmann, F, Willis, J. L, Zhou, M
• Format: Journal Article
• Language: English
• Published: 22.06.2020
• Subjects: Physics - General Relativity and Quantum Cosmology; Physics - High Energy Astrophysical Phenomena

We report the observation of a compact binary coalescence involving a 22.2 - 24.3 $M_{\odot}$ black hole and a compact object with a mass of 2.50 - 2.67 $M_{\odot}$ (all measurements quoted at the 90$\%$ credible level). The gravitational-wave signal, GW190814, was observed during LIGO's and Vi...