X-ray and optical coverage of 3EG J0616-3310 and 3EG J1249-8330Report as inadecuate



 X-ray and optical coverage of 3EG J0616-3310 and 3EG J1249-8330


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The limited angular resolution of gamma-ray telescopes prevents the straight identification of the majority of the sources detected so far. This is particularly true for the low latitude, probably galactic ones, only 10 % of which has been identified. Most of the counterparts are Isolated Neutron Stars, both radio-loud and radio-quiet, characterised by an extremely high value of X-ray-to-optical flux ratio. The best way to search for INSs in the error boxes of unidentified EGRET sources is to perform the X-ray coverage of the gamma-ray field, followed by the optical characterization of each X-ray source. We applied this procedure to two EGRET sources, which could belong to a local galactic population: 3EG J0616-3310 and 3EG J1249-8330. Here we report on the analysis of about 300 X-ray objects, as well as on their optical study.



Author: N. La Palombara; G. F. Bignami; P. Caraveo; A. De Luca; S. Mereghetti; R. Mignani; E. Hatziminaoglou

Source: https://archive.org/







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