Long-term photometry for 4 O-rich PPne
收藏B2FIND2026-03-19 收录
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https://b2find.eudat.eu/dataset/80ea8147-5acc-52c7-9284-ead20ff5c67f
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资源简介：
We present new light curves covering 14-19years of observations of four bright proto-planetary nebulae (PPNs), all oxygen-rich and of F spectral type. They each display cyclical...
