Bowen blend echo-tomography of low mass X-ray binaries

Bibcode
2008AIPC..984...15M
DOI
10.1063/1.2896925
Muñoz-Darias, T.; Martínez-Pais, I. G.; Casares, J.; Cornelisse, R.; Dhillon, V. S.; Marsh, T. R.; Steeghs, D.; O'Brien, K.; Charles, P. A.; Still, M.
Referencia bibliográfica

HIGH TIME RESOLUTION ASTROPHYSICS: The Universe at Sub-Second Timescales. AIP Conference Proceedings, Volume 984, pp. 15-22 (2008).

Fecha de publicación:
2
2008
Número de autores
10
Número de autores del IAC
4
Número de citas
6
Número de citas referidas
5
Descripción
We present simultaneous high time resolution (1-10 Hz) X-ray and optical observations of the persistent LMXBs Sco X-1 and V801 Ara( = 4U 1636-536). In the case of Sco X-1 we find that the Bowen/HeII emission lags the X-ray light-curves with a light travel time of ~11-16 s which is consistent with reprocessing in the donor star. We also present the detection of three correlated X-ray/optical bursts in V801 ara. Although this latter project is still in progress our preliminary results obtained by subtracting the Continuum light-curve from the Bowen/HeII data provide evidence of orbital phase dependent echoes from the companion star.
Tipo
Sin árbitro
Agujeros negros
Estrellas de neutrones

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