Abstract
THE recent outburst of the ex-nova, T Coronæ Borealis, first reported on February 91, when its magnitude was estimated to be 3.4, as against 11.3 during the immediately preceding epoch2, has been observed at Sidmouth on three occasions only, owing to unfavourable weather conditions. Three objective-prism spectrograms of the star, secured with the 12-in. McClean prismatic camera, form the total photographic observations to date; in addition, four visual estimates of brightness were made by the aid of field-glasses.
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References
See Nature, 157 224, 261, 270 (1946).
Reported by Miss F. W. Wright, Harvard Observatory. I.A.U. Circular No. 1030.
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BARBER, D. T Coronæ Borealis. Nature 157, 414 (1946). https://doi.org/10.1038/157414c0
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DOI: https://doi.org/10.1038/157414c0
