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- W2951415600 abstract "High resolution spectra are used to analyze the galactic kinematics and distribution of a sample of planetary nebulae with [WR] and 'wel' central star ([WR]PN and WLPN). The circular and peculiar velocities (Vpec) of the objects were derived. The results are: a) [WR]PNe are distributed mainly in the galactic disk and they are more concentrated in a thinner disk than WLPNe and normal PNe, which corresponds to a younger population; b) the sample was separated in Peimbert's types, and it is found that Type I PNe have Vpec <50 km s-1, indicating young objects. Most of the [WR]PNe are of Type II showing Vpec <60 km s-1, although a small percentage is of Type III, with larger Vpec showing that the Wolf-Rayet phenomenon in central stars can occur at any stellar mass and in old objects. None of our WLPNe is Type I. Thus, [WR]PNe and WLPNe are unrelated objects." @default.
- W2951415600 created "2019-06-27" @default.
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- W2951415600 date "2013-01-16" @default.
- W2951415600 modified "2023-09-27" @default.
- W2951415600 title "Galactic kinematics of planetary nebulae with [WC] central star" @default.
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- W2951415600 hasPublicationYear "2013" @default.
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