X-ray detection of the host star of a transiting extrasolar planet
Wheatley, P. J. and Briggs, K. R. (2007) X-ray detection of the host star of a transiting extrasolar planet. In: Transiting Extrasolar Planets Workshop, Max Planck Inst Astron, Heidelberg, GERMANY, SEP 25-28, 2006. Published in: Transiting Extrasolar Planets Workshop, 366 pp. 230-235.Full text not available from this repository.
We present the first X-ray detection of the host star of a transiting extrasolar planet. The nearby star HD 189733 was detected in multiple archival observations made of the Dumbell Nebula (M 27) with the ROSAT X-ray observatory. The X-ray spectrum is consistent with coronal emission from the host star and the measured flux allows us to determine the X-ray irradiation of the close-in transiting planet. We find that HD 189733b is likely to be suffering significant mass loss. Preliminary analysis of an observation made during transit suggests that this evaporation may be visible as excess photoelectric absorption in soft X-rays during transit.
|Item Type:||Conference Item (UNSPECIFIED)|
|Subjects:||Q Science > QB Astronomy|
|Series Name:||ASTRONOMICAL SOCIETY OF THE PACIFIC CONFERENCE SERIES|
|Journal or Publication Title:||Transiting Extrasolar Planets Workshop|
|Publisher:||ASTRONOMICAL SOC PACIFIC|
|Editor:||Afonso, C and Weldrake, D and Henning, T|
|Number of Pages:||6|
|Page Range:||pp. 230-235|
|Title of Event:||Transiting Extrasolar Planets Workshop|
|Location of Event:||Max Planck Inst Astron, Heidelberg, GERMANY|
|Date(s) of Event:||SEP 25-28, 2006|
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