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- W3035702983 abstract "We present observations and analysis of a new eclipsing binary HBHA 4705-03. Using decomposition of the light curve into accretion disk and hot spot c omponents, we estimated photometrically the mass ratio of the studied system to be q= 0.62± 0.07 . Other fundamental parameters was found with modeling. This approach gave: white dwarf mass M1 = (0.8± 0.2) M⊙ , secondary mass M2 = (0.497± 0.05) M⊙ , orbital radius a = 1.418 R⊙ , orbital inclination i = (81.58± 0.5) ◦ , accretion disk radius rd/a= 0.366± 0.002 , and accretion rate ˙ M=(2.5± 2)× 10 18 [g/s] , ( 3× 10 −8 [M⊙/yr] ). Power spectrum analysis revealed ambiguous low-period Quasi Periodic Oscillations centered at the frequencies f1 = 0.00076 Hz, f2 = 0.00048 Hz and f3 = 0.00036 Hz. The B− V = 0.04 [mag] color corresponds to a dwarf novae during an outburst. The examined light curves suggest that HBHA 4705-03 is a nova-like variable star." @default.
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- W3035702983 date "2013-01-01" @default.
- W3035702983 modified "2023-09-23" @default.
- W3035702983 title "On the eclipsing cataclysmic variable star HBHA 4705-03" @default.
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- W3035702983 doi "https://doi.org/10.5072/zenodo.21924" @default.
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