Combining the photometric solutions with spectroscopic elements for five systems (i.e., FG Hya, GR Vir, TV Mus, V410 Aur and XY Boo), their absolute parameters were determined.

• 轨道周期增加率dP/dt分别为：+8.；22×10~(-7)d yr~(-1)(V410 Aur)、+2