Bappu, M. K. V; Parthasarathy, M
(Indian Institute of Astrophysics, Bangalore, 1977)
Application of ultra-low dispersion spectroscopy (10.000 Å mm-1) is described to study the nuclei of elliptical galaxies, the quassi - stellar objects and for the discovery of faint OB stars, reddened stars and red stars. ...