84 citations · 84 across the 2 of their papers we have counts for
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astro-ph2006★ 84 cited
Evidence for precession of the isolated neutron star RX J0720.4-3125
F. Haberl, R. Turolla, C. P. De Vries +4
The XMM-Newton spectra of the isolated neutron star RX J0720.4-3125 obtained over 4.5 years can be described by sinusoidal variations in the inferred blackbody temperature, the siz…
astro-ph2004
Long-term variability in the X-ray emission of RX J0720.4-3125
Cor P. de Vries, Jacco Vink, Mariano Mendez +1
We detect a gradual, long-term change in the shape of the X-ray spectrum of the isolated neutron star RX J0720.4-3125, such that the spectrum of the source can no longer be describ…