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A closer look at the X-ray transient XTE J1908+094: identification of two new near-infrared candidate counterparts
Sylvain Chaty, Roberto P. Mignani, Gianluca Israel
We had reported in Chaty, Mignani, Israel (2002) on the near-infrared (NIR) identification of a possible counterpart to the black hole candidate XTE J1908+094 obtained with the ESO…
A deep XMM-Newton serendipitous survey of a middle-latitude area
G. Novara, N. La Palombara, N. Carangelo +4
The radio quiet neutron star 1E1207.4-5209 has been the target of a 260 ks XMM-Newton observation, which yielded, as a by product, an harvest of about 200 serendipitous X-ray sourc…
Discovery and Monitoring of the likely IR Counterpart of SGR 1806-20 during the 2004 gamma-ray burst-active state
GianLuca Israel, Stefano Covino, Roberto Mignani +9
The sky region including the Chandra position of SGR 1806-20 was monitored in the IR band during 2004, following its increased high energy bursting activity. Observations were perf…
A Multi-wavelength study of the Pulsar PSR B1929+10 and its X-ray trail
Werner Becker, Michael Kramer, Axel Jessner +8
We report on the emission properties of PSR B1929+10 and its putative X-ray trail from a multi-wavelength study performed with XMM-Newton, the ESO NTT, the HST, the Effelsberg 100m…
A new pseudo-Kaluza-Klein scheme for geometrical description of interactions
Fabio Cardone, Alessio Marrani, Roberto Mignani
We illustrate the main features of a new Kaluza-Klein-like scheme (Deformed Relativity in five dimensions). It is based on a five-dimensional Riemannian space in which the four-dim…
A geometrical meaning to the electron mass from breakdown of Lorentz invariance
Fabio Cardone, Alessio Marrani, Roberto Mignani
We discuss the problem of the electron mass in the framework of Deformed Special Relativity (DSR), a generalization of Special Relativity based on a deformed Minkowski space (i.e.…