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Evidence of an irradiated accretion disc in XTE J1818–245

Published online by Cambridge University Press:  24 February 2011

J. A. Zurita Heras
Affiliation:
AIM Paris Saclay, CEA-DSM/CNRS-INSU/Université Paris 7 Denis Diderot, IRFU/Service d'Astrophysique, Bât. 709 L'Orme des Merisiers, 91191 Gif-sur-Yvette, France email: [email protected], [email protected], [email protected]
S. Chaty
Affiliation:
AIM Paris Saclay, CEA-DSM/CNRS-INSU/Université Paris 7 Denis Diderot, IRFU/Service d'Astrophysique, Bât. 709 L'Orme des Merisiers, 91191 Gif-sur-Yvette, France email: [email protected], [email protected], [email protected]
M. Cadolle Bel
Affiliation:
ESAC, ISOC, Villanueva de la Cañada, Madrid, Spain email: [email protected]
L. Prat
Affiliation:
AIM Paris Saclay, CEA-DSM/CNRS-INSU/Université Paris 7 Denis Diderot, IRFU/Service d'Astrophysique, Bât. 709 L'Orme des Merisiers, 91191 Gif-sur-Yvette, France email: [email protected], [email protected], [email protected]
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Abstract

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The X-ray transient source XTE J1818–245 went through an outburst in 2005 that was observed during a multi-wavelength campaign from radio to soft γ-rays. We performed new optical observations with the ESO/NTT telescope at La Silla. The broad-band spectral energy distribution revealed that the outer parts of the accretion disc had to be irradiated by its inner parts to explain the optical emission.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2011

References

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