Extragalactic Star Formation

The study of how stars form under various chemical and physical conditions in the Universe is crucial in order to get better insights on how larger structures such as galaxies form and evolve in time.

Stars form in dense condensations of gas. It is thus important to determine as precisely as possible the properties of this gas (e.g. gas temperatures and pressures), and especially how they vary from one galaxy to another.

Galaxies vary in type and characteristics: some experience a burst of star formation activity in their nucleus, some are are quiescent, some are merging (see Figure 1), some host black holes in their central region.  All these different environments directly influence the properties of the gas and thus the way stars are forming within it.

guintet High-redshift radio galaxies 3 cropped  
Galaxy Evolution from Surveys
High-redshift radio galaxies  
NASA Hubble Space Telescope Image of the Antennae Galaxies (NGC 4038 & 4039) Spiral NGC6946  
Antennae Galaxies
Starburst Galaxies
 

Page last modified on 02 jan 14 17:01 by Amira K F Val Baker