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The 1979 outburst of U Scorpii

BARLOW, MJ; BRODIE, JP; BRUNT, CC; HANES, DA; HILL, PW; MAYO, SK; PRINGLE, JE; ... WILLIS, AJ; + view all (1981) The 1979 outburst of U Scorpii. Monthly Notices of the Royal Astronomical Society , 195 (1) pp. 61-78. 10.1093/mnras/195.1.61. Green open access

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Abstract

Optical and ultraviolet observations are presented of the 1979 outburst of the recurrent nova U Sco. For the first time the evolution through outburst is documented photometrically and spectroscopically. Lines of the following ions are identified: H I, He II, C IV, N III, N IV, N V, O IV, O VI and Si IV. No forbidden lines were observed. Mg I was seen in absorption at a late stage in the decline. The Balmer lines have broad and narrow components which change with time. There is evidence that nitrogen is overabundant with respect to carbon and the helium to hydrogen number ratio is about 2.

Type: Article
Title: The 1979 outburst of U Scorpii
Open access status: An open access version is available from UCL Discovery
DOI: 10.1093/mnras/195.1.61
Publisher version: https://doi.org/10.1093/mnras/195.1.61
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/10096223
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