List of the 41 white dwarfs in the list of Ho, Wu & Wu which are not existing in the SDSS-DR5; the gmag is computed from the absolute magnitude and the distance. -------------------- HHMMSS+ddmmss gmag -------------------- 095759-010707 17.586 095811-010418 16.358 102042-011101 18.633 103005-010919 18.507 105406-011133 19.068 110623+011521 18.177 135540-011407 18.380 142540+010927 19.038 153017+011012 18.785 153542+010218 18.874 154621+010849 18.687 154640+005917 18.376 154950+010848 19.489 155043-010636 18.898 155413+011120 18.144 155449+001151 19.034 155603-000722 18.967 160008-000840 18.191 160135+003047 19.402 160555-002811 16.086 160617-003552 18.084 160917-000701 17.746 160918-003119 18.306 161008+005137 18.578 161226+001028 19.768 161442+010557 18.736 161453+001633 18.590 161506+004627 19.844 161837-002303 18.891 162024-000546 17.053 162234-004325 19.191 162238+003937 18.912 162325-011124 17.643 162337-003529 20.111 162405+004305 19.602 162631-003315 16.737 162919+004552 17.298 163048-000330 19.369 163319-000609 19.711 163628-002950 18.170 232819+011625 17.873 --------------------