X-ray spectra from convective photospheres of neutron stars
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We present first results of modeling convective photospheres of neutron stars. We show that in photospheres composed of the light elements convection arises only at relatively low effective temperatures (< 3-5*10^4 K), whereas in the case of iron compositon it arises at < 3*10^ K. Convection changes the depth dependence of the photosphere temperature and the shapes of the emergent spectra. Thus, it should be taken into account for the proper interpretation of EUV/soft-X-ray observations of the thermal radiation from neutron stars.
2 pages, from Wuerzburg X-ray Conference (Sep. 25-29, 1995); final version; ask for psfile to: zavlin@rosat.mpe-garching.mpg.de
2 pages, from Wuerzburg X-ray Conference (Sep. 25-29, 1995); final version; ask for psfile to: zavlin@rosat.mpe-garching.mpg.de