Abstract
NOVA PICTORIS.—Another telegram from Mr. Wood at Johannesburg was distributed from the I.A.U. Bureau, Copenhagen, on April 14. It states that the Nova is now surrounded by a ring 3 minutes of arc in diameter, with two smaller rings inside it. These rings are clearly much too large to be produced by the outward motion of matter from the Nova since the outburst in 1925. We may assume that they are similar to the nebulosity photographed round Nova Persei in the autumn of 1901, which was explained by the hypothesis that the nebulosity was previously there in a dark state, and became visible by reflecting the light of the outburst.
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Our Astronomical Column. Nature 121, 649 (1928). https://doi.org/10.1038/121649a0
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DOI: https://doi.org/10.1038/121649a0