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- W1982202369 abstract "We present the results of a deep search for X-ray sources in a circular field of 30′ in diameter situated around WR 22 in the Carina region and observed with the XMM-Newton observatory. This field is broadly located to the west of the main part of the Carina nebula. On the basis of six pointings (nominal exposure time: 10 ks each) centred on the WR+O binary star WR 22, we perform a survey with an effective exposure time of 68.8 ks. We introduce a catalogue of 43 bona-fide X-ray point sources, most of which were unknown before the XMM-Newton observations, and perform the first steps towards their identifications by cross-correlating the positions with optical/infrared catalogues. We investigated the possible variability of these sources in the X-ray domain and we extracted a few X-ray spectra for the brightest ones. A short description of the diffuse X-ray emission present in the region is also given." @default.
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- W1982202369 date "2010-12-09" @default.
- W1982202369 modified "2023-09-24" @default.
- W1982202369 title "A search for X-ray sources around WR 22 in the Carina region" @default.
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- W1982202369 doi "https://doi.org/10.1051/0004-6361/201014238" @default.
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