| Autor: |
Gänsicke, B. T., Braje, T. M., Romani, R. W., Gänsicke, B. T., Braje, T. M., Romani, R. W. |
| Zdroj: |
Astronomy and Astrophysics; May 2002, Vol. 386 Issue: 3 p1001-1008, 8p |
| Abstrakt: |
We present a new grid of LTE model atmospheres for weakly magnetic ($B\la10^{10}$G) neutron stars, using opacity and equation of state data from the OPAL project and employing a fully frequency- and angle-dependent radiation transfer. We discuss the differences from earlier models, including a comparison with a detailed NLTE calculation. We suggest heating of the outer layers of the neutron star atmosphere as an explanation for the featureless X-ray spectra of RX J1856.5–3754 and RX J0720.4–3125 recently observed with Chandraand XMM. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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