NICER detection of strong photospheric expansion during a thermonuclear x-ray burst from 4U 1820-30

NICER detection of strong photospheric expansion during a thermonuclear x-ray burst from 4U 1820-30

The Neutron Star Interior Composition Explorer (NICER) on the International Space Station (ISS) observed strong photospheric expansion of the neutron star in 4U 1820-30 during a Type I X-ray burst. A thermonuclear helium flash in the star's envelope powered a burst that reached the Eddington li...

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Main Authors: Keek, L. (Author), Arzoumanian, Z. (Author), Chakrabarty, Deepto (Author), Chenevez, J. (Author), Gendreau, K. C. (Author), Guillot, S. (Author), Güver, T. (Author), Homan, J. (Author), Jaisawal, G. K. (Author), LaMarr, Beverly J. (Author), Lamb, F. K. (Author), Mahmoodifar, S. (Author), Markwardt, C. B. (Author), Okajima, T. (Author), Strohmayer, T. E. (Author), in 't Zand, J. J. M. (Author)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor), MIT Kavli Institute for Astrophysics and Space Research (Contributor)
Format: Article
Language:English
Published: American Astronomical Society, 2020-04-17T18:51:10Z.
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