The nature of 19 X-ray sources detected with INTEGRAL

NICOLA MASETTI, P. Parisi, E. Jiménez-Bailón, L. Bassani, A. Bazzano, A. J. Bird, V. Chavushyan, A. J. Dean, G. Galaz, R. Landi, A. Malizia, D. Minniti, L. Morelli, E. Palazzi, F. Schiavone, J. B. Stephen, P. Ubertini

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Resumen

Since its launch on October 2002, the INTEGRAL satellite has revolutionized our knowledge of the hard X-ray sky thanks to its unprecedented imaging capabilities and source detection positional accuracy above 20 keV. Nevertheless, many of the newly-detected sources in the INTEGRAL sky surveys are of unknown nature. The combined use of available information at longer wavelengths (mainly soft X-rays and radio) and of optical spectroscopy on the putative counterparts of these new hard X-ray objects allows pinpointing their exact nature. Continuing our long-standing programrunning since 2004, here we report the classification, through optical spectroscopy, of 19 more unidentified or poorly studied high-energy sources detected with the IBIS instrument onboard INTEGRAL.

Idioma originalInglés
PublicaciónProceedings of Science
EstadoPublicada - 2011
EventoINTEGRAL - A Science Workshop in Sardinia: The Extreme and Variable High Energy Sky, Extremesky 2011 - Cagliari, Italia
Duración: 19 sep 201123 sep 2011

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