Distortion wave characteristics and starspot modelling in the RS CVn eclipsing binary SV Camelopardalis

CE~IITC oj .~L/\~U~~.CL/ SIU~~' 1t1 A \fiwnott11.. Qstt~at~~u UIIIIJ~TSII~. Hyderabad 500 007 Abstract. Four rn~grating groups of wave mlnima are identified in the light curves of SV Cam of wh~ch two show direct motion with period 3.02 and 1.6 yr while the other two dlsplay retrograde motion Qith periods 3.04 and 0.6 yr. Babed on the ~~icrl~~*l~~l~~~ :!~ of Budding, we have modelled the four groups of spots to fit the d~stortion wake modulations. It is noticed that two of the spot groups, direct I and retrograde 1. have preferred quadrature positions while the other two, direct 11 and retrograde 11. are found to be at random positions. The sixes of starspots generally tended to diminish with time.