Preliminary analysis of photometric variations of central star of planetary nebula Sh 2-71
arXiv:astro-ph/0408353 · doi:10.1007/s10509-005-4884-2
Abstract
We confirmed the presence of regular UBVRIc light variations of the object in the centre of planetary nebula Sh 2-71, the improved period of them being P =(68.132+/-0.005) days. The shapes and amplitudes of light curves in particular colours are briefly discussed.
4 pages, 3 figures, Proceedings of the conference: Zdenek Kopal's Binary Stars Legacy, March 31 - April 3, 2004, Litomysl, Czech Republic, Eds: Horst Drechsel, Miloslav Zejda