The Multi-Messenger Approach to High-Energy Gamma-Ray by Josep M. Paredes, Olaf Reimer, Diego F. Torres
By Josep M. Paredes, Olaf Reimer, Diego F. Torres
This booklet presents a theoretical and observational assessment of the state-of-the-art of gamma-ray astrophysics, and their impression and reference to the physics of cosmic rays and neutrinos. With the purpose of laying off new and clean gentle at the challenge of the character of the gamma-ray resources, rather these but unidentified, this publication summarizes contributions to a workshop that keeps with the sequence initiated via the assembly held at Tonantzintla in October 2000, and Hong-Kong in might 2004. This books may be of curiosity for all energetic researchers within the box of excessive power astrophysics and astroparticle physics, in addition to for graduate scholars stepping into the subject.
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Astrophys. : Astrophys. J. : Astrophys. J. : Mon. Not. Roy. Astron. Soc. : Astron. Astrophys. : Astrophys. J. 1007/s10509-007-9468-x O R I G I N A L A RT I C L E Population studies of the unidentiﬁed EGRET sources Jennifer M. Siegal-Gaskins · Vasiliki Pavlidou · Angela V. Olinto · Carolyn Brown · Brian D. V. 2007 Abstract The third EGRET catalog contains a large number of unidentiﬁed sources. This subset of objects is expected to include known gamma-ray emitters of Galactic origin such as pulsars and supernova remnants, in addition to an extragalactic population of blazars.
G. pulsars, supernova remnants, and other baryonic objects). Because these populations can be associated with a measured mass component of the Galaxy, we use mass density as a proxy for source density. Using a Monte Carlo algorithm we then generate realizations of Galactic source distributions and calculate the total luminosity of the population for each run. 46 Astrophys Space Sci (2007) 309: 43–49 For each angular source position ( , b) we construct a cumulative distribution function for a given Galactic mass distribution to describe the likelihood of the source being within a particular distance along that line of sight.
2004) ﬁnd 26 pulsars detectable by EGRET, which presumably would mean a substantial fraction of the unidentiﬁed sources are pulsars. They predict that 600 pulsars will be detectable by GLAST for a threshold 2−5 × 10−9 cm−2 s−1 . 5). The outer gap model of Zhang et al. (2000) predicts 32 pulsars detectable by EGRET, which again would mean a substantial fraction of the unidentiﬁed sources are pulsars. 0. 6 Sources can produce the MeV, GeV excesses The unresolved source fraction is energy-dependent, so that one can ask whether it can produce the well-known GeV ex- 40 Astrophys Space Sci (2007) 309: 35–41 Fig.