Delta CAP - the secondary revealed.
Bromage, G. E.; Kellett, B. J.; Lloyd, C.; Matthews, L.; Sidher, S. D.; Sumner, T. J.; Wonnacott, D.; Clayton, C. A.
United Kingdom
Abstract
The recent detection of the eclipsing metallic-lined binary Delta Cap in the EUV as part of the Wide-Field Camera All-Sky Survey has prompted a reexamination of the available data in order to attempt to locate the source of the emission. It can be shown that a white dwarf is unable to account for the emission, and the possibility of coronal emission on one of the four other faint objects within the WFC error circle and on the Am star can be rejected. The available data are consistent with the visually unseen secondary being weakly active.