Jones, H. Spencer (Harold Spencer), 1890- · London E. Arnold & co. · leaf 396
tar, whose variabilitywas also discovered by Goodricke, in 1784, is shown in Fig. 102.It has two unequal minima separated by two equal maxima andis characterized by a continuous variation in light, there beingno period of steady luminosity either at maximum or minimum.The period is 12-916 days; the… … 3-8 - 4-0 4Z Fig. 102.—The Light Curve of ^ Lyrse. 348 GENERAL ASTRONOMY ponents, so that, even though the echpses are total, the lightdoes not remain constant at the minima. The orbit is verynearly circular, the minima being nearly equidistant. Thespectral Knes due to both components can be…
Astronomy
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