The Spectrum of Wakuda's Eruptive Star near the Time of Outburst

Astronomy and Astrophysics – Astronomy

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Scientific paper

We have made complete wavelength measurements and line identifications for the star discovered by Wakuda to have risen to magnitude 10.5 about one year before our observation on 3 April 1994. Wavelength coverage was from 4900 to 8800A. The spectrum is that of a "shell" with many emission lines of singly ionized metals. The systemic velocity is near +63.5 km s^-1, which transforms to +76 km s^-1 with respect to the local standard of rest indicating that Wakuda's star is a disk object, as are most symbiotic objects. If classified as a nova its distance indicates that it belongs to the Galactic bulge population. (SECTION: Stars)

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