Arellano Ferro, A; Rojas Galindo, F. C; Muneer, S; Giridhar, S
(Universidad Nacional Autonoma De Mexico, 2018-10)
We have calculated the physical parameters of the RR Lyrae stars in the globular cluster NGC 4147 via the Fourier decomposition of their light curves, using new data and well-established semi-empirical calibrations and ...