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Ragan, L. Fortson, L. Saha, M. A. Lisa, M. Escobar Godoy, M. Kertzman, M. Kherlakian, M. Lundy, M. N. Johnson, M. Pohl, M. Santander, N. B.Y. Chin, N. Korzoun, N. Matthews, O. Hervet, P. Bangale, P. L. Rabinowitz, P. Moriarty, P. T. Reynolds, Q. Feng, R. A. Ong, R. Mukherjee, R. Shang, S. Feldman, S. Filbert, S. L. Wong, T. B. Humensky, the VERITAS collaboration, T. LeBohec, V. V. Vassiliev, W. Benbow, W. Hanlon, W. Jin, W. Ning, Y. Chen, Z. Hughes","submitted_at":"2025-06-18T00:04:04Z","abstract_excerpt":"We use the stellar intensity interferometry system implemented with the Very Energetic Radiation Imaging Telescope Array System (VERITAS) at Fred Lawrence Whipple Observatory (FLWO) as a light collector to obtain measurements of the rapid rotator star $\\gamma$ Cassiopeiae, at a wavelength of 416 nm. Using data from baselines sampling different position angles, we extract the size, oblateness, and projected orientation of the photosphere. 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