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A new distance indicator to the Galactic Planetary Nebulae based upon IRAS Fluxes

Published online by Cambridge University Press:  25 May 2016

A. Tajitsu  and
S. Tamura
A. Tajitsu
Affiliation:
Astronomical Institute, Tohoku University, Sendai, Japan
S. Tamura
Affiliation:
Astronomical Institute, Tohoku University, Sendai, Japan

Extract

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The distance to Planetary Nebulae (PNe) is a most important parameter to study their evolution and the distribution among our Galaxy, but it has been very difficult to determine it precisely. On the other hand, it is well-known that the IRAS colors of PNe are very similar to the blackbody colors. Taking into account of this characteristic, we define a new method to get some information about the distance to PNe by the blackbody fitting of IRAS 4-band fluxes, assuming these fluxes are due to the thermal emission from the nebular dust envelope.

Type
II. Distances to Galactic Planetary Nebulae
Information
Symposium - International Astronomical Union , Volume 180: Planetary Nebulae , 1997 , pp. 51 - 52
Copyright
Copyright © Kluwer 1997 

References

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