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Kinematics and dust scattering in IRAS 09371+1212

Published online by Cambridge University Press:  25 May 2016

J.R. Phillips  and
L. Cuesta
J.R. Phillips
Affiliation:
1Instituto Nacional de Astrofísica, óptica y Electrónica
L. Cuesta
Affiliation:
2Instituto de Astrofísica de Canarias

Extract

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We have observed IRAS 09371+1212 using both narrow and broad band filters. As a result, we note that relative color trends B-V/V-R appear to be inconsistent with both the mean IS reddening law, and the variation deduced for model grains (Robinson et al, 1992). There also appears to be a disparity in the B-V/V-R reddening gradient as between the inner and outer source envelopes—a characteristic which, together with other evidence, may indicate a corresponding evolution in grain properties.

Type
V. From AGB to Planetary Nebulae
Information
Symposium - International Astronomical Union , Volume 180: Planetary Nebulae , 1997 , pp. 364
Copyright
Copyright © Kluwer 1997 

References

Dougados, C., Rouan, D., and Lena, P., 1992, Astron. Astrophys., 253, 464.Google Scholar
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Roddier, F., Roddier, C., Graves, J. E., and Northcott, M. J., 1995, Astrophys. J., 443, 249.Google Scholar