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- Kwak, Kyujin
- Computational Astrophysics Lab.
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Constraining the mass and radius of neutron star by future observations
- Author(s)
- Kwak, Kyujin, Lee, Chang-Hwan, Kim, Myungkuk, Kim, Young-Min
- Issued Date
- 2017-06-27
- Citation
- 14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017, v.1947
- Abstract
- The mass and radius of neutron star (NS) in the low mass X-ray binary (LMXB) can be measured simultaneously from the evolving spectra of the photospheric radius expansion (PRE) X-ray bursts (XRBs). Precise measurements require the distance to the target, information on the radiating surface, and the composition of accreted material. Future observations with large ground-based telescopes such as Giant Magellan Telescope (GMT) and Thirty Meter Telescope (TMT) may reduce the uncertainties in the estimation of the mass and radius of NS because they could provide information on the composition of accreted material by identifying the companion stars in LMXBs. We investigate these possibilities and present our results for selected targets.
- Publisher
- 14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017
- ISBN
- 978-073541642-0
- ISSN
- 0094-243X
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