Spectral Variations of DY Cen

Details Spectral Variations of DY Cen Spectral Variations of DY Cen

Jun 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996japa...17...23g&link_type=abstract

Journal of Astrophysics and Astronomy, Vol. 17, pp. 23-40 (1996)

Astronomy and Astrophysics

Astrophysics

Hot Rcrb Stars, Radial Velocity, Photospheric And Nebular Lines

Scientific paper

Two high resolution spectra of the hot RCrB star DY Cen in the red region are compared. The photospheric absorption lines show a radial velocity variation of 12 km s(sup -1) between 1989 July and 1992 May. Emission components to some CII lines present in 1989 are almost entirely absent in 1992. Nebular forbidden lines of [OI], [NII] and [SII] appear unchanged from 1989 to 1992.

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