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HBV 475 as a Candidate Proto-PN

Published online by Cambridge University Press:  18 September 2017

S. Tamura*
Affiliation:
Astronomical Institute, Tohoku University, Sendai, Japan

Extract

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The symbiotic nature of this object has been investigated by optical spectroscopy and photometry in the near infrared region. There are three components, which are (i) the ionized expanding envelope consisting of two layers of low and high excitation species, (ii) the late type component corresponding to a blackbody of 2500 K and indicated by TiO absorption band, (iii) the hot remnant star whose temperature is estimated indirectly as 150 000 K or more.

Type
Abstracts of Contributed Papers
Copyright
Copyright © Reidel 1983