The symbiotic nature of the emission-line object K4-45

Details The symbiotic nature of the emission-line object K4-45 The symbiotic nature of the emission-line object K4-45

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pazh...13.1061s&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 13, Dec. 1987, p. 1061-1064. In Russian. In Russian. In Russian.

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Astronomical Spectroscopy, Emission Spectra, Line Spectra, Planetary Nebulae, Spectrum Analysis, Symbiotic Stars, Electron Density (Concentration), Interstellar Extinction, Stellar Evolution

Scientific paper

The symbiotic nature of the emission-line object K4-45 (96 + 1.1 deg) is revealed on the basis of spectral observations. The visible component has a spectral class no later than M3. The interstellar absorption for the object is more than 3.2 m. The electron temperatures in the envelopes of symbiotic stars do not exceed 20,000 K; otherwise forbidden lines could not exist; the electron density is greater than 10 to the 7th/cu cm.

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