UBV photoelectric photometry of the 1976–1978 eclipse of VV Cephei

Autor:	Huang Yong-wei, Guo Zi-he
Rok vydání:	1987
Předmět:	Photometry (optics) Physics Stars Space and Planetary Science Binary star Stellar atmosphere Astronomy Astronomy and Astrophysics Astrophysics Photoelectric effect Supergiant
Zdroj:	Chinese Astronomy and Astrophysics. 11:207-214
ISSN:	0275-1062
DOI:	10.1016/0275-1062(87)90005-1
Popis:	This paper presents the result of UBV photoelectric photometry of VV Cephei. The contact times are determined from the B-V and U-B curves. The epoch of mideclipse is JD 2443361 in agreement with prediction. The unequal depths of the falling and rising branches of the colour curves can be explained by gas streaming from the M-type supergiant component. The radius of the M-type supergiant is about 1860 R and its atmosphere has a thickness of 450 R.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::65cb66ce6acf46966a7b0f192a13f57f https://doi.org/10.1016/0275-1062(87)90005-1 Zobrazit plný text záznamu