We present the first results of a spectroscopy survey of iras sources with colours similar to those of planetary nebulae.
Two new planetary nebulae, some Hα emission line stars, one peculiar source which is probably a pre-Main-Sequence object and a new Seyfert I galaxy have been found.
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Manchado, A., Pottasch, S. R., García Lario, P., Esteban, C., and Mampaso, A.: 1989,Astron. Astrophys. (in press).
Pottasch, S. R., Bignell, C., Olling, R., and Zijlstra, A. A.: 1989,Astron. Astrophys. (in press).
Based on observations collected at the European Southern Observatory, La Silla, Chile.
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Manchado, A., Lario, P.G. & Pottasch, S.R. A search for new objects in the transition phase between AGB-stars and planetary nebulae. Astrophys Space Sci 156, 57–62 (1989). https://doi.org/10.1007/BF00646345
- Transition Phase
- Emission Line
- Planetary Nebula