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Title: BVRIJHK photometry of post-AGB candidates: evolution of post-AGB central stars
Authors: Fujii, T
Nakada, Y
Parthasarathy, M
Keywords: BVRIJHK Photometry;Post-AGB;Evolution of Post-AGB;Central Stars
Issue Date: Aug-2001
Publisher: Kluwer Academic Publishers
Citation: Szczerba, R. and Garny, S. K., eds., Post-AGB objects as a phase of stellar evolution, Astrophysics and Space Science Library, Vol. 265, Proceedings of the Torun Workshop held July 5 - 7, 2000, pp. 45 – 48
Series/Report no.: Astrophysics and Space Science Library; Vol. 265
Abstract: Post-AGB stars are generally believed to be on their way to the planetary nebula stage. However, there has been a question about the evolutionary path for the low-mass ones. We present BVRIJHK photometry of post-AGB candidates selected on their IRAS colors. Their spectral energy distributions showed that 16 out of 27 objects were very likely to be the post-AGB stars. Two objects were remarkable in that their central stars were of rather late spectral type while their dynamical ages of their detached dust shell were considerably older than the others. We believe they are low mass post-AGB stars dispersing their dust shells which will not become planetary nebula but will directly evolve to white dwarfs.
Description: Restricted Access
ISBN: 0-7923-7145-3
Appears in Collections:IIAP Publications

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