X-ray spectra from convective photospheres of neutron stars

Details X-ray spectra from convective photospheres of neutron stars X-ray spectra from convective photospheres of neutron stars

1995-10-23

arxiv.org/abs/astro-ph/9510116v2

Astronomy and Astrophysics

Astrophysics

2 pages, from Wuerzburg X-ray Conference (Sep. 25-29, 1995); final version; ask for psfile to: zavlin@rosat.mpe-garching.mpg.d

Scientific paper

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.

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