Outputs (2)

NGC 3783 - A possible X-ray emitting Seyfert galaxy (1976)
Journal Article
Cooke, B., Elvis, M., Ward, M., Fosbury, R., Penston, M., & Maccacaro, T. (1976). NGC 3783 - A possible X-ray emitting Seyfert galaxy. Monthly Notices of the Royal Astronomical Society, 177, 121P-125P

Emission-free photographic photometry of stars in the Orion Nebula cluster (1976)
Journal Article
Penston, M., Mann, M. S. J., & Ward, M. (1976). Emission-free photographic photometry of stars in the Orion Nebula cluster. Monthly Notices of the Royal Astronomical Society, 174, 449-454