New Line Identifications in the Optical Spectrum of the Slow Nova RR Telescopii

Astronomy and Astrophysics – Astronomy

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Scientific paper

The symbiotic nova RR~Telescopii has been observed with the 1.5m telescope of the Cerro Tololo Inter-American Observatory (CTIO), using the 1.5m Bench-Mounted Echelle Spectrograph (BME) in conjunction with a Tek CCD. It displays a rich emission line spectrum, ranging in excitation from O I to [Ni VIII]. The result is a list of 483 measured lines, with their suggested identifications, covering a range from 3430 A to 9320 A. Of these, only nine are unidentified, and 70 lines are catalogued that were not given in the original line list of Thackeray. We have also obtained absolute line intensities, which have been derived by comparing the high-resolution data with a flux calibrated low-resolution spectrum taken with the Cassegrain Spectrograph on the 1.0m at the CTIO.

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