학술논문
Orbital Period Changes in WZ Sagittae
Document Type
Working Paper
Author
Patterson, Joseph; Stone, Geoffrey; Kemp, Jonathan; Skillman, David; de Miguel, Enrique; Potter, Michael; Starkey, Donn; Uthas, Helena; Jones, Jim; Slauson, Douglas; Koff, Robert; Myers, Gordon; Menzies, Kenneth; Campbell, Tut; Roberts, George; Foote, Jerry; Vanmunster, Tonny; Cook, Lewis M.; Krajci, Thomas; Ogmen, Yenal; Sabo, Richard; Seargeant, Jim
Source
Subject
Language
Abstract
We report a long-term (1961-2017) study of the eclipse times in the dwarf nova WZ Sagittae, in an effort to learn its rate of orbital-period change. Some wiggles with a time scale of 20-50 years are apparent, and a connection with the 23-year interval between dwarf-nova eruptions is possible. These back-and-forth wiggles dominate the O-C diagram, and prevent a secure measurement of the steady rate of orbital-period change. The line, it is drawn, the curse, it is cast. The slow one now will later be fast... For the times, they are a-changin'. - Dylan (1963)
Comment: PDF, 17 pages, 1 table, 5 figures; submitted, PASP; more info at http://cbastro.org/
Comment: PDF, 17 pages, 1 table, 5 figures; submitted, PASP; more info at http://cbastro.org/