Classification of Iso Sws01 Spectra of Proto-planetary Nebulae: a Search for Precursors of Planetary Nebulae with [wr] Central Stars
نویسندگان
چکیده
We have analyzed ISO SWS 01 observations for 61 proto-planetary nebulae candidates and classified their spectra according to their dominant chemistry. On the basis of our classification and the more general classification of SWS01 spectra by Kraemer et al. (2002) we discuss the connection between proto-planetary nebulae candidates and planetary nebulae, with emphasis on possible precursors of planetary nebulae with [WR] central stars.
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تاریخ انتشار 2002