A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Near-periodical spin period evolution in the binary system LMC X-4
Tekijät: Molkov S, Lutovinov A, Falanga M, Tsygankov S, Bozzo E
Kustantaja: OXFORD UNIV PRESS
Julkaisuvuosi: 2017
Journal: Monthly Notices of the Royal Astronomical Society
Tietokannassa oleva lehden nimi: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Lehden akronyymi: MON NOT R ASTRON SOC
Vuosikerta: 464
Numero: 2
Aloitussivu: 2039
Lopetussivu: 2045
Sivujen määrä: 7
ISSN: 0035-8711
eISSN: 1365-2966
DOI: https://doi.org/10.1093/mnras/stw2429
Rinnakkaistallenteen osoite: https://research.utu.fi/converis/portal/detail/Publication/28601063
In this paper, we investigated the long-term evolution of the pulse period in the high-mass X-ray binary LMC X-4 by taking advantage of more than 43 yr of measurements in the X-ray domain. Our analysis revealed for the first time that the source is displaying near-periodical variations of its spin period on a time-scale of roughly 6.8 yr, making LMC X-4 one of the known binary systems showing remarkable long-term spin torque reversals. We discuss different scenarios to interpret the origin of these torque reversals.
Ladattava julkaisu This is an electronic reprint of the original article. |  |
