TY - JOUR T1 - Search for p-mode oscillations in da white dwarfs with VLT-ULTRACAM: I. Upper limits to the p-modes JO - Astronomy and Astrophysics PY - 2011/01/01 AU - Silvotti R AU - Fontaine G AU - Pavlov M AU - Marsh TR AU - Dhillon VS AU - Littlefair SP AU - Getman F ED - VL - 525 IS - 19 Y2 - 2024/12/22 ER -