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THE ORBIT OF THE (OLD NOVA?) CATACLYSMIC VARIABLE 0623+71

WENXIAN LU and J. B. HUTCHINGS
Publications of the Astronomical Society of the Pacific
Vol. 97, No. 596 (October 1985), pp. 990-993
Stable URL: http://www.jstor.org/stable/40678585
Page Count: 4
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THE ORBIT OF THE (OLD NOVA?) CATACLYSMIC VARIABLE 0623+71
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Abstract

Spectroscopic data are presented for the cataclysmic variable 0623+71. The spectrum contains only narrow, weak Balmer emission, and very weak emission lines of He i, He ii, and Cii. The period of this system is not uniquely established by the data. The most probable periods are 0.1390 and 0.1535 day. Based on the former period, other elements are determined to be: V₀ = —81 ± 3 km s⁻¹, K = 71 ± 5 km s⁻¹, T₀ = 2446073.836 ± 0.002; while on the latter, V₀ = —77 ± 4 km s⁻¹, K = 72 ± 5 km s⁻¹, T₀ = 2446073.834 ± 0.002. A circular orbit is adopted for both sets of solutions. The masses of the white dwarf and the lower luminosity star are discussed.

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