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Fitting XMM-Newton Observations of the AXP 1RXS J170849.0-400910 with four magnetar surface emission models, and predictions for X-ray polarization observations with IXPE
Henric Krawczynski, Roberto Taverna, Roberto Turolla +2
Phase-resolved spectral and spectropolarimetric X-ray observations of magnetars present us with the opportunity to test models of the origin of the X-ray emission from these object…
Towards constraining axions with polarimetric observations of the isolated neutron star RX J1856.5-3754
Aleksei Zhuravlev, Roberto Taverna, Roberto Turolla
Photon-axion mixing can create observable signatures in thermal spectra of isolated, cooling neutron stars. Their shape depends on the polarization properties of the radiation, whi…
NICER study of pulsed thermal X-rays from Calvera: a neutron star born in the Galactic halo?
S. Mereghetti, M. Rigoselli, R. Taverna +4
Calvera (1RXS J141256.0+792204) is an isolated neutron star detected only through its thermal X-ray emission. Its location at high Galactic latitude () is unusual if C…
X-ray Emission from Isolated Neutron Stars revisited: 3D magnetothermal simulations
Davide De Grandis, Roberto Taverna, Roberto Turolla +4
X-ray emission from the surface of isolated neutron stars (NSs) has been now observed in a variety of sources. The ubiquitous presence of pulsations clearly indicates that thermal…