Optical spectroscopy of the jet in V Hydrae

Details Optical spectroscopy of the jet in V Hydrae Optical spectroscopy of the jet in V Hydrae

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.248..479e&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 248, Feb. 1, 1991, p. 479-482.

Astronomy and Astrophysics

Astronomy

12

Astronomical Spectroscopy, Carbon Stars, Cool Stars, Stellar Spectra, Visible Spectrum, Emission Spectra, Line Spectra, Radial Velocity, Shock Waves, Spectrum Analysis

Scientific paper

Spectra of the 3600-4700 A region of the spectrum of the carbon star V Hya reveal a rich emission-line spectrum similar to those found in objects where shock waves occur. A radial velocity of -155 km/s relative to the star indicates that the nearer lobe of the bipolar jet already known in V Hya is seen. The unusually strong violet continuum and the absorption in the higher Balmer lines, which yield a radial velocity slightly different from that of the carbon star, may arise in the hypothetical companion.

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