Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-03-26
Astronomy and Astrophysics
Astrophysics
6 pages, 4 figures, Astronomy and Astrophysics, in press
Scientific paper
10.1051/0004-6361:20079076
X-ray observations unveiled the existence of enigmatic point-like sources at the centre of young supernova remnants (SNRs). These sources, dubbed Central Compact Objects (CCOs), are thought to be neutron stars formed by the supernova explosion. However, their multi-wavelength phenomenology is surprisingly different from that of most young neutron stars.The aim of this work is to understand the nature of the CCO 1WGA J1713.4-3949 in the G347.3-0.5 SNR, through deep optical and IR observations, the first ever performed for this source.By exploiting its derived Chandra X-ray position we carried out optical (BVI) observations with the NTT and Adaptive Optics IR (JHKs) observations with the VLT. We detected two faint (I~23.5, I~24.3.) patchy objects in the NTT images, close to the Chandra error circle. They were clearly resolved in our VLT images which unveiled a total of six candidate counterparts (17.8
Bassan Nicola
Caraveo Patricia A.
de Luca Andrea
Mignani Roberto P.
Perna Rosalba
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