Atmosphere of strongly magnetized neutron stars heated by particle bombardment
نویسندگان
چکیده
منابع مشابه
Physics of Strongly Magnetized Neutron Stars
There has recently been growing evidence for the existence of neutron stars possessing magnetic fields with strengths that exceed the quantum critical field strength of 4.4× 10 G, at which the cyclotron energy equals the electron rest mass. Such evidence has been provided by new discoveries of radio pulsars having very high spin-down rates and by observations of bursting gamma-ray sources terme...
متن کاملAtmospheres and Spectra of Strongly Magnetized Neutron Stars
We construct atmosphere models for strongly magnetized neutron stars with surface fields B ∼ 10 − 10 G and effective temperatures Teff ∼ 10 6 − 10 K. The atmospheres directly determine the characteristics of thermal emission from isolated neutron stars, including radio pulsars, soft gamma-ray repeaters, and anomalous Xray pulsars. In our models, the atmosphere is composed of pure hydrogen or he...
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Complete modeling of radiative transfer in neutron star atmospheres is in progress, taking into account the anisotropy induced by magnetic fields, non-ideal effects and general relativity. As part of our modeling, we present a novel atomic calculation method producing an extensive atomic data set including energy values and oscillator strengths in the so-called Landau regime (B > 4.7 × 10Z G). ...
متن کاملModelling mid-Z element atmospheres for strongly-magnetized neutron stars
We construct models for strongly-magnetized neutron star atmospheres composed of mid-Z elements (carbon, oxygen and neon) with magnetic fields B = 1012–1013 G and effective temperatures Teff = (1 − 5) × 106 K; this is done by first addressing the physics relevant to strongly-magnetized plasmas and calculating the equation of state and polarizationdependent opacities. We then obtain the atmosphe...
متن کاملOn cooling of magnetized neutron stars
Cooling of neutron stars with dipole magnetic fields is simulated using a realistic model of the anisotropic surface temperature distribution produced by magnetic fields. Suppression of the electron thermal conductivity of outer stellar layers across the field increases thermal isolation of these layers near the magnetic equator. Enhancement of the radiative and longitudinal electron thermal co...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2018
ISSN: 0035-8711,1365-2966
DOI: 10.1093/mnras/sty3159