SIMBAD references

2001A&A...377.1007G - Astronomy and Astrophysics, volume 377, 1007-1015 (2001/10-3)

Infrared properties of planetary nebulae with [WR] central stars.

GORNY S.K., STASINSKA G., SZCZERBA R. and TYLENDA R.

Abstract (from CDS):

We have gathered from the literature near and mid infrared (photometric and spectroscopic) data for Galactic planetary nebulae, with special attention to planetary nebulae surrounding Wolf-Rayet type central stars ([WR]PN). These data have been analyzed to obtain insight into the dust-properties of [WR]PN and their evolutionary status. We have found that a sizeable fraction of [WR]PN seems to contain hot dust (1000-2000K), probably located in the winds of the central stars. The mean dust temperature is shown to decrease with decreasing [WC] spectral type. This is in line with suggestions that the [WC] sequence is an evolutionary sequence from late to early types. [WR]PN in different diagrams, when compared to those of non-[WR]PN, suggest that [WR]PN form a homogeneous class of planetary nebulae. There is an unusually large proportion of [WR]PN showing PAH features in their spectra.

Abstract Copyright:

Journal keyword(s): planetary nebulae: general - stars: AGB and post-AGB - stars: Wolf-Rayet

Simbad objects: 49

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2021.01.24-02:00:47

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