Photoelectric observations of SZ lyncis and its period variation

Autor:	Jiang Shi-yang, Huang Yong-wei, Guo Zi-he
Rok vydání:	1985
Předmět:	Physics Optics Space and Planetary Science business.industry Cepheid variable Astronomy and Astrophysics Astrophysics Photoelectric effect Variation (astronomy) business Maxima Least squares
Zdroj:	Chinese Astronomy and Astrophysics. 9:291-295
ISSN:	0275-1062
DOI:	10.1016/0275-1062(85)90021-9
Popis:	Between 1980 December and 1984 March, we made photoelectric observations of SZ Lyn on 15 nights and recorded 19 times of maxima. Combining with those published, we now have a total of 139 times of maxima. Applying a second-order least squares reduction to this data, we found that the period of SZ Syn is definitely increasing at a rate of 0.165 seconds per 100 years or (6.32 ± 0.62) × 10 −12 d/period.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::5063f936c45a4d855ac9da265385e9a3 https://doi.org/10.1016/0275-1062(85)90021-9 Zobrazit plný text záznamu