RS Ophiuchi: Radio Lightcurve Development Following the 2006 Outburst

Stewart Eyres, Mark Rushton, T. J. O’Brien, Bob Beswick, Tom Muxlow, Richard Davis, G. C. Anupama, T. Prabhu, N. C. Kantharia, M. F. Bode, M. P. Gawroński, R. Feiler, A. Evans

Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddCyfraniad i gynhadleddadolygiad gan gymheiriaid


We report GHz observations beginning 4.5 days after the discovery of RS Ophiuchi undergoing its 2006 recurrent nova outburst. Observations over the first 60 days are included, enabling us to follow spectral development throughout the three phases of the remnant development. We see dramatic
brightening on days 4 to 7 at 6 GHz and an accompanying increase in other bands, particularly 1.46 GHz, consistent with transition from the initial phase to the adiabatic expansion phase. This is complete by day 13 when the brightness at 5 GHz is apparently declining from an early maximum (compared with 1985 observations). The flux recovered to a second peak by approximately day 40, consistent with behaviour observed in 1985. At all times the spectral index is consistent with combined thermal and non-thermal components. The emission requires at least 4±2×10−7M⊙ of ejecta.
Iaith wreiddiolSaesneg
TeitlRS Ophiuchi (2006) and the Recurrent Nova Phenomenon
Is-deitlAstronomical Society of the Pacific Conference Series
GolygyddionA. Evans, M. Bode, T. J. O'Brien, M. J. Darnley
CyhoeddwrAstronomical Society of the Pacific
ISBN (Electronig)978-1-58381-675-2
ISBN (Argraffiad)978-1-58381-674-5
StatwsCyhoeddwyd - Rhag 2008
DigwyddiadRS OPHIUCHI (2006) AND THE RECURRENT NOVA PHENOMENON: Proceedings of a workshop held at Keele University, 12-14 June 2007 - Keele University, Keele, Y Deyrnas Unedig
Hyd: 12 Meh 200714 Meh 2007


Gwlad/TiriogaethY Deyrnas Unedig

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