45 citations · 219 across the 14 of their papers we have counts for
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astro-ph2007★ 33 cited
Cyclical period changes in HT Cas: a clear difference between systems above and below the period gap
B. W. Borges, R. Baptista, C. Papadimitriou +1
We report the identification of cyclical changes in the orbital period of the eclipsing cataclysmic variable HT Cas. We measured new white dwarf mid-eclipse timings and combined wi…
astro-ph2005★ 17 cited
V4140 Sgr: a short period dwarf nova with a peculiar behavior
B. Borges, R. Baptista
We report on time series of CCD photometry of V4140 Sgr between 1991 and 2001. The analysis reveals that the object was in the decline from an outburst in 1992 and again in outburs…
astro-ph2003★ 45 cited
Cyclical period changes in the dwarf novae V2051 Oph and V4140 Sgr
R. Baptista, B. W. Borges, H. E. Bond +3
We report the identification of cyclical changes in the orbital period of the eclipsing dwarf novae V2051 Ophiuchi and V4140 Sagitarii. We used sets of white dwarf mid-eclipse timi…