Abstract
NOTE ON 72 OPHIUCHI (O. Σ. 342).—The publication of the entire series of observations of this suspected double star, made at Pulkowa to 1876, does not lessen the difficulty of arriving at a definite conclusion as to its duplicity or otherwise. On November I, 1841, it was noted double magnitudes 4 and 7 on Struve's scale, and, no doubt attached to the observation; on May 14, 1842, it appeared single, but at the epoch 1842.72 it was again double, the measures giving for position, 156°.6, and distance, 1″.3. Subsequent observations gave the following results:—
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Our Astronomical Column . Nature 19, 531–532 (1879). https://doi.org/10.1038/019531a0
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DOI: https://doi.org/10.1038/019531a0