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Hot, dense He II outflows during the 2017 outburst of the X-ray transient Swift J1357.2−0933

Abstract:

Time-resolved SALT spectra of the short-period, dipping X-ray transient, Swift J1357.2−0933, during its 2017 outburst has revealed broad Balmer and He II λ4686 absorption features, blueshifted by ∼600 km s−1. Remarkably these features are also variable on the ∼500 s dipping period, indicating their likely association with structure in the inner accretion disc. We interpret this as arising in a dense, hot (≳30 000 K) outflowing wind seen at very high inclination, and draw comparisons with othe...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1093/mnrasl/slz120

Authors


Charles, P More by this author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Subgroup:
Astrophysics
ORCID:
0000-0002-3493-7737
Buckley, D More by this author
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Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society: Letters Journal website
Volume:
489
Issue:
1
Pages:
L47–L52
Publication date:
2019-07-27
Acceptance date:
2019-07-22
DOI:
EISSN:
1745-3933
ISSN:
1745-3925
Pubs id:
pubs:1035940
URN:
uri:cc5912d7-67f4-438b-9065-41741528f7ee
UUID:
uuid:cc5912d7-67f4-438b-9065-41741528f7ee
Local pid:
pubs:1035940

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