NICER Discovery of Millisecond X-Ray Pulsations and an Ultracompact Orbit in IGR J17494-3030

NICER Discovery of Millisecond X-Ray Pulsations and an Ultracompact Orbit in IGR J17494-3030

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© 2021. The American Astronomical Society. We report the detection of 376.05 Hz (2.66 ms) coherent X-ray pulsations in NICER observations of a transient outburst of the low-mass X-ray binary IGR J17494-3030 in 2020 October/November. The system is an accreting millisecond X-ray pulsar in a 75-minute...

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Main Authors: Ng, Mason (Author), Ray, Paul S (Author), Bult, Peter (Author), Chakrabarty, Deepto (Author), Jaisawal, Gaurava K (Author), Malacaria, Christian (Author), Altamirano, Diego (Author), Arzoumanian, Zaven (Author), Gendreau, Keith C (Author), Güver, Tolga (Author), Kerr, Matthew (Author), Strohmayer, Tod E (Author), Wadiasingh, Zorawar (Author), Wolff, Michael T (Author)
Format: Article
Language:English
Published: American Astronomical Society, 2022-03-31T13:00:08Z.
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