NGC 1705 and the evolution of blue compact dwarf galaxies
This thesis presents a multi-waveband study of the amorphous galaxy NGC 1705. It is shown to be a nearby (D « 5 Mpc for Hq = 75 kms-1 Mpc-1) nucleated blue compact dwarf (BCD) galaxy. Its emission line spectrum is like that seen in typical emission line galaxies, with an oxygen abundance like that of the LMC. NGC 1705 contains two stellar populations: a central high surface brightness (HSB) population, a kpc in diameter, which is actively forming stars, and a lower surface brightness...[Show more]
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