Studies of symbiotic stars. V - The dust-free yellow system He2-467

Details Studies of symbiotic stars. V - The dust-free yellow system He2-467 Studies of symbiotic stars. V - The dust-free yellow system He2-467

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...255..158m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 255, no. 1-2, p. 158-166.

Astronomy and Astrophysics

Astrophysics

26

Emission Spectra, Stellar Color, Stellar Spectra, Stellar Temperature, Symbiotic Stars, Astronomical Photometry, Astronomical Spectroscopy, Infrared Spectrophotometers, Stellar Evolution

Scientific paper

Results are presented of simultaneous photometric and spectroscopic observations of He2-467 in the infrared, optical, and satellite ultraviolet. It was found that the He2-467 star system consists of a G6 III star and a very hot (T of about 2 x 10 exp 5 K), luminous (L of about 5000 solar luminosities), and compact (R of about 0.06 solar radius) companion. The reddening of the system is E(B-V) = 0.35 and the distance d = 2.0 kpc. The G6 III has a more tenuous atmosphere than an M giant, and thus a much lower number of neutral hydrogen atoms to produce efficient Raman scattering. The hot companion closely resembles the nucleus of a planetary nebula.

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