{XMM-Newton Observations of HD 189733 During Planetary Transits}
Citation:
{Pillitteri} I, {Wolk} S J, {Cohen} O, {Kashyap} V, {Knutson} H, {Lisse} C M, {Henry} G W. {XMM-Newton Observations of HD 189733 During Planetary Transits}. \apj. 2010;722:1216-1225.