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most citedVariability of Hot Supergiant IRAS 19336-0400 in the Early Phase of its Planetary Nebula Ionization

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astro-ph.SR2018★ 8 cited

Multicolor photometry and spectroscopy of the yellow supergiant with dust envelope HD 179821=V1427 Aquilae

N. P. Ikonnikova, O. G. Taranova, V. P. Arkhipova +5

We present the results of multicolor (UBVJHKLM) photometry (2009-2017) and low-resolution spectroscopy (2016-2017) of the semi-regular variable V1427 Aql=HD 179821, a yellow superg…