Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-10-11
Prog.Theor.Phys. 109 (2003) 765-780
Astronomy and Astrophysics
Astrophysics
16 pages, 10 figures, to appear in Prog. Theor. Phys
Scientific paper
10.1143/PTP.109.765
Recent deep Chandra LETG+HRC-S observations suggest the possibility that RX
J1856.5--3754 is a compact star whose radiation radius is 3.8--8.2 km. In this
paper, we systematically calculate the mass-radius relations of quark stars
within the bag model. Assuming that RX J1856.5--3754 is a pure quark star, we
derive an upper limit on its mass for various sets of the bag-model parameters.
Iida Kei
Kohri Kazunori
Sato Katsuhiko
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