New rotation period for neutron star RXJ0720: 16.78 sec
Highlight publication in Astronomy & Astrophysics
Our neutron star model with the three relevant angles		X-ray spectra from XMM-Newton for five different time intervals (groups)
Phase-folded light curve for the new rotation period of 16.78 sec for four different energy bands		Period vs. period derivative with old and new values for RXJ0720 (black and green square), details

Summary:
- RXJ0720 is one of the brightest and best studied X-ray neutron stars
- New rotation period is 16.78 sec (previous: 8.39 sec)
- Gravitational redshift z = 0.205
- Compactness M / R = 0.105 (with mass M in solar masses, radius R in km)
- published in Hambaryan, Suleimanov, Haberl, Schwope, Neuhäuser, Hohle, Werner