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XMM-Newton publication statistics

Parmar, A. N.; Ness, J. -U.; Smith, R. +5 more

We assessed the scientific productivity of XMM-Newton by examining XMM-Newton publications and data usage statistics. We analyse 3272 refereed papers, published until the end of 2012, that directly use XMM-Newton data. The SAO/NASA Astrophysics Data System (ADS) was used to provide additional information on each paper including the number of citat…

The loss-limited electron energy in SN 1006: Effects of the shock velocity and of the diffusion process

Miceli, M.; Bocchino, F.; Decourchelle, A. +3 more

The spectral shape of the synchrotron X-ray emission from SN 1006 reveals the fundamental role played by radiative losses in shaping the high-energy tail of the electron spectrum. We analyze data from the XMM-Newton SN 1006 Large Program and confirm that in both nonthermal limbs the loss-limited model correctly describes the observed spectra. We s…

Discussing the physical meaning of the absorption feature at 2.1 keV in 4U 1538-52

Torrejón, J. M.; Rodes-Roca, J. J.; Martínez-Nuñez, S. +2 more

High resolution X-ray spectroscopy is a powerful tool for studying the nature of the matter surrounding the neutron star in X-ray binaries and its interaction between the stellar wind and the compact object. In particular, absorption features in their spectra could reveal the presence of atmospheres of the neutron star or their magnetic field stre…

A phase-variable absorption feature in the X-ray spectrum of the magnetar SGR 0418+5729

Bignami, G. F.; Tiengo, A.; Götz, D. +9 more

An absorption feature, the properties of which strongly depend on the pulse phase, has been recently discovered in the X-ray spectrum of the soft gamma repeater SGR 0418+5729. If interpreted as a proton cyclotron line, its energy implies a magnetic field ranging from 2×10¹⁴ G to more than 10¹⁵ G, which confirms the magnetar i…

Long-term X-ray timing of the double pulsar PSR J0737-3039

Pellizzoni, A.; Egron, E.; Iacolina , M. N.

The relativistic double neutron star binary PSR J0737-3039 is a truly unique system offering the diagnostics of two interacting radio pulsars in a short orbital period system. Clear evidences of orbital phase-dependent interactions between the two neutron stars are seen both in radio and X-rays observations. We present the timin…