STEREO/HI and optical observations of the classical nova V5583 Sagittarii

Holdsworth, D L orcid iconORCID: 0000-0003-2002-896X, Rushton, M T, Bewsher, Danielle orcid iconORCID: 0000-0002-6351-5170, Walter, F M, Eyres, Stewart Paul shore, Hounsell, R and Darnley, M J (2014) STEREO/HI and optical observations of the classical nova V5583 Sagittarii. Monthly Notices of the Royal Astronomical Society, 438 (4). pp. 3483-3489. ISSN 0035-8711

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The classical nova V5583 Sgr (Nova Sagittarii 2009 No 3) has been observed during the rise phase and shortly after by NASA's Solar TErrestrial RElations Observatory/Heliospheric Imager (STEREO/HI) instruments, with later optical spectroscopy obtained with the R-C Spectrograph at Cerro Tololo Inter-American Observatory, Chile. The time of peak in the STEREO passband has been constrained to within 4 h, as a result of the high cadence data obtained by STEREO/HI. The optical spectra show the nova evolving from the permitted to the nebular phases. The neon abundance in the ejecta is [Ne/O] ≳ +1.0, which suggests that V5583 Sgr was most likely a neon nova.

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