attach(hip)
filter1 =  (RA>50 & RA<100 & DE>0 & DE<25)
filter2 = (pmRA>90 & pmRA<130 & pmDE>-60 & pmDE< -10) 
filter3  =  filter1 & filter2 & (e_Plx < 5)
HyadesFilter = filter3 & (Vmag>4 | B.V<0.2)