Multicolour observations of V404 Cyg and J1118+480 with ULTRACAM

Bibcode
2004AIPC..714...65S
DOI
10.1063/1.1781002
Shahbaz, T.; Dhillon, V.; Marsh, T. R.; Zurita, C.; Haswell, C.; Charles, P. A.; Hynes, R. I.; Casares, J.
Referencia bibliográfica

X-RAY TIMING 2003: Rossie and Beyond. AIP Conference Proceedings, Volume 714, pp. 65-70 (2004).

Fecha de publicación:
7
2004
Número de autores
8
Número de autores del IAC
2
Número de citas
0
Número de citas referidas
0
Descripción
We present high time-resolution multicolour observations of the quiescent soft X-ray transients V404 Cyg and XTE J1118+480 obtained with ULTRACAM. The power density spectrum (PDS) of the V404 Cyg data shows a quasi-periodic oscillation (QPO) feature at 0.78 mHz (=21.5 min), whereas the PDS of the XTE J1118+480 data shows a break. We discuss the possible origins for the QPO feature and break-frequency in the context of the advection-dominated accretion flow model.
Tipo
Sin árbitro
Agujeros negros

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