Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 434, Issue 3, Pages 2182-2187Publisher
OXFORD UNIV PRESS
DOI: 10.1093/mnras/stt1166
Keywords
stars: winds, outflows; X-rays: binaries; X-rays: bursts; X-rays: individual: AX J1845.0-0433; X-rays: individual: IGR J18450-0435
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Funding
- University of Southampton
- UK Science and Technology Facilities Council, STFC
- NRF, South Africa
- World Universities Network
- Marie Curie International Outgoing Fellowship within European Community [275861]
- STFC [ST/J001600/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J001600/1] Funding Source: researchfish
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Temporal analysis of INTEGRAL/IBIS data has revealed a 5.7195 +/- 0.0007 d periodicity in the supergiant fast X-ray transient source AX J1845.0-0433, which we interpret as the orbital period of the system. The new-found knowledge of the orbital period is utilized to investigate the geometry of the system by means of estimating an upper limit for the size of the supergiant (< 27 R-circle dot) as well as the eccentricity of the orbit (epsilon < 0.37).
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