periodbase.zgls.independent_freq_count: conservative est. for Nfreq_eff
periodbase.zgls.independent_freq_count: conservative est. for Nfreq_eff

waqasbhatti/astrobase,lgbouma/astrobase,waqasbhatti/astrobase,waqasbhatti/astrobase,lgbouma/astrobase,lgbouma/astrobase