Our Astronomical Column


    BINARY STARS.—(1) η CASSIOPEÆ.—Dr. Duner, of the Observatory of Lund, Sweden, has calculated elements of this binary from measures 1782–1874; the orbit is as follows:—

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    Our Astronomical Column . Nature 12, 312–313 (1875). https://doi.org/10.1038/012312d0

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