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- National Institute for Subatomic PhysicsNL871 papers
- Centre National de la Recherche ScientifiqueFR771 papers
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34 papers · 2 filters
Chandra-LETGS observation of Mrk 279: modeling the AGN internal structure
E. Costantini, J. S. Kaastra, K. C. Steenbrugge +3
We present the Chandra-LETGS analysis of Mrk 279, a bright Seyfert 1 galaxy. The spectrum shows a variety of features arising from different physical environments in the vicinity o…
X-ray sources in globular clusters
Frank Verbunt
Observations with BeppoSAX, RXTE and Chandra suggest that many of the bright X-ray sources in globular clusters have ultrashort binary periods. This is remarkable as such systems a…
Creating ultra-compact binaries through stable mass transfer
M. V. van der Sluys, F. Verbunt, O. R. Pols
A binary in which a slightly evolved star starts mass transfer to a neutron star can evolve towards ultra-short orbital periods under the influence of magnetic braking. This is cal…
Creating ultra-compact binaries in globular clusters through stable mass transfer
M. V. van der Sluys, F. Verbunt, O. R. Pols
A binary in which a slightly evolved star starts mass transfer to a neutron star can evolve towards ultra-short orbital periods under the influence of magnetic braking. This is cal…
The evolutionary phase of B[e] supergiants and unclassified B[e] stars
Michaela Kraus
We present two classes of stars with yet unknown evolutionary phase: the B[e] supergiants and the so-called unclassified B[e] stars. While the B[e] supergiants are luminous post-ma…
Photon mass in inflation and nearly minimal magnetogenesis
Tomislav Prokopec
We argue that the dynamics of photons canonically coupled to scalars in de Sitter inflation gets modified by a photon mass term. This might have lead to generation of potentially o…