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

Daniel L. Holdsworth, M. T. Rushton, D. Bewsher, F. M. Walter, S. P. S. Eyres, R. Hounsell, M. J. Darnley

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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.

Original languageEnglish
Pages (from-to)3483-3489
JournalMonthly Notices of the Royal Astronomical Society
Issue number4
Publication statusPublished - 11 Mar 2014


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