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20152024
most citedCarbon and Oxygen Isotopic Ratios. II. Semiregular Variable M Giants

18 citations · 36 across the 4 of their papers we have counts for

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astro-ph.SR2015★ 17 cited

Variability in Proto-Planetary Nebulae: IV. Light Curve Analyses of Four Oxygen-Rich, F Spectral-Type Objects

Bruce J. Hrivnak, Wenxian Lu, Kristie A. Nault

We present new light curves covering 14 to 19 years of observations of four bright proto-planetary nebulae (PPNs), all O-rich and of F spectral type. They each display cyclical lig…