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Heterochromatic Photometry using Rotating Filters and a Colour Wedge

✍ Scribed by WALSH, E. G.; WOLFF, H. S.

Book ID
109566981
Publisher
Nature Publishing Group
Year
1951
Tongue
English
Weight
220 KB
Volume
167
Category
Article
ISSN
0028-0836

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## Abstract We present more than 1000‐day long photometry of EY Draconis in __BV__ (__RI__)~C~ passbands. The changes in the light curve are caused by the spottedness of the rotating surface. Modelling of the spotted surface shows that there are two large active regions present on the star on the o