In: Contributions of the Astronomical Observatory Skalnaté Pleso, vol. 46, no. 1
S. Shugarov - N. Katysheva - D. Chochol - N. Gladilina - E. Kalinicheva - A. Dodin
Detaily:
Rok, strany: 2016, 5 - 14
Kľúčové slová:
dwarf novae, photometry, black hole, rapid variability
URL originálneho zdroja: http://www.astro.sk/caosp/Eedition/Abstracts/2016/Vol_46/No_1/pp5-14_abstract.html
O článku:
V616 Mon = A0620-00 is a prototype of black hole transient X-ray binaries.
Our 2003-16 optical photometry of the object during X-ray quiescence,
obtained by 50-250 cm telescopes in Crimea, Caucasus Mountains and Slovakia,
consists of ∼ 7660 CCD frames in Johnson-Cousins V, R, RC, I
bands and the integral light. During 2003, 2008-9 and 2015-16 passive
states, the phase light curve of the binary exhibited mainly variations
caused by an ellipsoidal shape of the red dwarf component. During 2004-6
and 2009-14 active states a significant aperiodic broad-band variability
(flickering) was present, arising in a black hole accretion disk and a
bright spot, where the mass transfer stream hits the outer edge of the disk.
Long term photometry of our minima times, together with available positions
of superior conjunctions of the red dwarf found from spectroscopy, allowed
us to refine the orbital period of V616 Mon to 0.32301407(5) days.
Ako citovať:
ISO 690:
Shugarov, S., Katysheva, N., Chochol, D., Gladilina, N., Kalinicheva, E., Dodin, A. 2016. Recent changes in a flickering variability of the black hole X-ray transient V616 Mon=A0620--00. In Contributions of the Astronomical Observatory Skalnaté Pleso, vol. 46, no.1, pp. 5-14. 1335-1842.
APA:
Shugarov, S., Katysheva, N., Chochol, D., Gladilina, N., Kalinicheva, E., Dodin, A. (2016). Recent changes in a flickering variability of the black hole X-ray transient V616 Mon=A0620--00. Contributions of the Astronomical Observatory Skalnaté Pleso, 46(1), 5-14. 1335-1842.