To carry out this request has used the OSIRIS spectrograph, that installed on the gran telescopio canarias, (GTC), Roque de los Muchachos observatory (Garafía, La Palma).
To carry out this research has used the OSIRIS spectrograph, installed in the Gran Telescopio Canarias (GTC), the Roque de los Muchachos Observatory (Garafía, La Palma).