Dwarf Nova Oscillations: New Results
| dc.creator | Warner, Brian | |
| dc.creator | Woudt, Patrick | |
| dc.date | 2001-09-22 | |
| dc.date.accessioned | 2026-07-07T02:00:13Z | |
| dc.date.available | 2026-07-07T02:00:13Z | |
| dc.description | New and archived observations of VW Hyi in outburst show the occasional presence of optical Dwarf Nova Oscillations (DNOs) over the range of 18 - 40 s. There is a rapid increase in period near the end of outburst, at the same time that the EUV falls almost to zero, which we attribute to propellering. The DNOs return to a shorter period after this phase, but are very incoherent. The DNOs show some modulation by the Quasi-Periodic Oscillations (QPOs) that are also occasionally present in the light curve. We interpret the QPOs as a prograde travelling wave in the inner disc, which obscures and/or reprocesses radiation from the central region. The model is applied to observations of OY Car and WZ Sge. | |
| dc.description | 10 pages, 5 figures, Latex, uses newpasp.sty; to appear in `The Physics of Cataclysmic Variables and Related Objects', ASP Conf. Ser., eds. B.T. Gaensicke, K. Beuermann, K. Reinsch | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0109397 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0109397 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/3375 | |
| dc.subject | Astrophysics | |
| dc.title | Dwarf Nova Oscillations: New Results | |
| dc.type | text |