Two-epoch high-resolution spectra of Hen 3-1475 show persistent stellar winds up to ~800 km/s, no photoionization of the nebula, and a probable new jet-like component in 2024.
Information content of BP/RP spectra in Gaia DR3 , volume=
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High-resolution spectroscopy of the bipolar proto-planetary nebula Hen 3-1475, the Garden Sprinkler Nebula
Two-epoch high-resolution spectra of Hen 3-1475 show persistent stellar winds up to ~800 km/s, no photoionization of the nebula, and a probable new jet-like component in 2024.