Spectral Evolution of the Unusual Slow Nova V5558 Sagittarii
Publications of the Astronomical Society of Japan(2011)
摘要
We report on the spectral evolution of the enigmatic, very slow nova V5558 Sgr, based on low-resolution spectra obtained at the Fujii-Bisei Observatory and the Bisei Astronomical Observatory, Japan during the period of 2007 April 6 to 2008 May 3. V5558 Sgr shows a pre-maximum halt, and then several flare-like rebrightenings, which is similar to another very slow nova, V723 Cas. In our observations...
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关键词
novae, cataclysmic variables,stars: individual (V5558 Sagittarii)
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