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12 papers · 2 filters
Magneto-rotational and thermal evolution of magnetars with crustal magnetic fields
U. Geppert, D. Page, M. Colpi +1
Soft Gamma-ray Repeaters (SGRs) and Anomalous X-ray Pulsars (AXPs) are interpreted as young highly magnetized neutron stars (NSs). Their X-ray luminosity in quiescence, exceeding 1…
The artificial sky brightness in Europe derived from DMSP satellite data
P. Cinzano, F. Falchi, C. D. Elvidge +1
We present the map of the artificial sky brightness in Europe in V band with a resolution of approximately 1 km. The aim is to understand the state of night sky pollution in Europe…
The NOG Sample: Galaxy Systems and 3D Real-Space Galaxy Density
C. Marinoni, G. Giuricin, L. Ceriani +1
We discuss the 3D real-space reconstruction of the optical galaxy density field in the local Universe as derived from the galaxies of the Nearby Optical Galaxy (NOG) sample. NOG is…
The NOG Sample: Selection of the Sample and Identification of Galaxy Systems
G. Giuricin, C. Marinoni, L. Ceriani +1
In order to map the galaxy density field in the local universe, we select the Nearby Optical Galaxy (NOG) sample, which is a distance-limited (cz < 6000 km/s) and magnitude--limite…
An X-ray study of the dipping low mass X-ray binary XB 1323-619
M. Balucinska-Church, M. J. Church, T. Oosterbroek +3
During a BeppoSAX observation of the low-mass X-ray binary dip source XB 1323-619 a total of 10 type I X-ray bursts and parts of 12 intensity dips were observed. During non-burstin…
Non-local bias and the problem of large-scale power in the Standard Cold Dark Matter model
A. Del Popolo, Y. Takahashi, H. Kiuchi +1
We study the effect of non-radial motions, originating from the gravitational interaction of the quadrupole moment of a protogalaxy with the tidal field of the matter of the neighb…