http://arxiv.org/abs/1612.07352
The symbiotic star AG Dra experienced a double-peaked outburst of 0.6 magnitudes in April and May 2016. Photometry and spectroscopy through the outburst showed the B-V colour index varying linearly with the V magnitude and enabled the temperature variation of the hot star to be calculated from the changing flux in the H beta and He II 4686A emission lines.
D. Boyd
Fri, 23 Dec 16
27/60
Comments: 5 pages, 4 figures
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