Pandey, G; Kameswara Rao, N; Jeffery, C. S; Lambert, D. L
(IOP Publishing, 2014-10-01)
DY Cen has shown a steady fading of its visual light by about one magnitude in the last 40 yr, suggesting a secular increase in its effective temperature. We have conducted non-local thermodynamic equilibrium (LTE) and LTE ...