Transitional disks show central cavities and gaps, and hence believed to be the place where giant planets have begun to interact with the disk. The detailed features such as spiral arms also suggest the presence of planets, but the most important, missing piece of the puzzle is direct detection of the planets. We here propose the follow-up observations to clarify the nature of candidate companions for V1247 Ori and MWC 758 which show the strong evidence of a planet, or a point-like feature in recent observations, respectively. We further will augment these images with VAMPIRES optical polarimetric differential imaging, which is useful not only to study the disk scattered light but also to separate the emission of a planet from the disk. The proposal will help provide a crucial reference point for understanding the evolution of the solar system at the age we think the solar system’s gas giants may have formed, and is a crucial step toward confirming the presence of new fully-formed, but young planets.
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