Citation:
Gilliland RL, McCullough PR, Nelan EP, Brown TM, Charbonneau D, Nutzman P, Christensen-Dalsgaard J, Kjeldsen H. Asteroseismology of the Transiting Exoplanet Host HD 17156 with Hubble Space Telescope Fine Guidance Sensor. \apj. 2011;726 (1) :2.