The superluminous transient ASASSN-15lh as a tidal disruption event from a Kerr black hole

G. Leloudas, M. Fraser, N. C. Stone, S. van Velzen, P.G. Jonker, I. Arcavi, C. Fremling, J. R. Maund, S. J. Smartt, T. Krìhler, J. C. A. Miller-Jones, P.M. Vreeswijk, A. Gal-Yam, Paolo A. Mazzali, A. De Cia, D. A. Howell, C. Inserra, F. Patat, A. de Ugarte Postigo, Ofer YaronC. Ashall, I. Bar, H. Campbell, T.-W. Chen, M. Childress, N. Elias-Rosa, J. Harmanen, G. Hosseinzadeh, J. Johansson, T. Kangas, E. Kankare, S. Kim, H. Kuncarayakti, J. D. Lyman, M. R. Magee, Kate Maguire, D. Malesani, S. Mattila, C. V. McCully, M. Nicholl, S. Prentice, C. Romero-Cañizales, S. Schulze, K. W. Smith, J. Sollerman, M. Sullivan, Brad E. Tucker, S. Valenti, J. C. Wheeler, D. R. Young

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Abstract

When a star passes within the tidal radius of a supermassive black hole, it will be torn apart1. For a star with the mass of the Sun (M ⊙) and a non-spinning black hole with a mass 108 M ⊙ 12,13, a star with the same mass as the Sun could be disrupted outside the event horizon if the black hole were spinning rapidly14. The rapid spin and high black hole mass can explain the high luminosity of this event.
Original languageEnglish
Pages (from-to)2
JournalNature Astronomy
Volume1
DOIs
Publication statusPublished - 12 Dec 2016

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    Leloudas, G., Fraser, M., Stone, N. C., van Velzen, S., Jonker, P. G., Arcavi, I., Fremling, C., Maund, J. R., Smartt, S. J., Krìhler, T., Miller-Jones, J. C. A., Vreeswijk, P. M., Gal-Yam, A., Mazzali, P. A., De Cia, A., Howell, D. A., Inserra, C., Patat, F., de Ugarte Postigo, A., ... Young, D. R. (2016). The superluminous transient ASASSN-15lh as a tidal disruption event from a Kerr black hole. Nature Astronomy, 1, 2. https://doi.org/10.1038/s41550-016-0002