Brown dwarfs are objects that bridge the realms of stars and planets. With masses below ~0.08 MSun, they cannot sustain hydrogen fusion, never reach the main sequence, and remain cooling forever. Star forming regions and young clusters harbour large populations of these substellar objects, including some with masses comparable to those of giant extrasolar planets. Understanding how brown dwarfs form is one of the crucial missing pieces in our understanding of how star and planet formation work. In this talk I will present the main results of our deep survey SONYC (Substellar Objects in Nearby Young Clusters), designed to provide a census of the substellar population in nearby star forming regions, and characterize their Initial Mass Functions down to unprecedented masses below 10 MJup. Furthermore, I will present our new program to study brown dwarf populations in a sample of massive young clusters, characterized by high stellar densities and presence of many massive OB stars. Characterizing substellar populations in star forming environments that are drastically different from those where brown dwarfs have been studied so far, allows us for the first time to look for variations in the efficiency of brown dwarf formation in the Milky Way as a function of environment.
Brown dwarfs in young star clusters
Next Journal Club
Session to be resumed.
Black Hole Workshops
XI Black Holes Workshop, Lisbon, 2018
17-18 December 2018
Previous workshops in the series:
I Black Holes Workshop, Porto, 2008
II Black Holes Workshop, Lisbon, 2009
III Black Holes Workshop, Minho, 2010
IV Black Holes Workshop, Aveiro, 2011
V Black Holes Workshop, Lisbon, 2012
VI Black Holes Workshop, Minho 2013
VII Black Holes Workshop, Aveiro 2014
VIII Black Holes Workshop, Lisbon 2015
IX Black Holes Workshop, Minho 2016
X Black Holes Workshop, Aveiro 2017
NRHEP Network Meetings
Our group coordinated the "Numerical Relativity and High Energy Physics" IRSES network (2012-2015). Here is a list of the global network meetings organized:
9-13 July 2012, Aveiro, Portugal
11-14 March 2013, Lisbon, Portugal
6-10 January 2014, Mississippi, USA
7-10 July 2015, Rome, Italy
28 Sep-2 Oct 2015, Belém, Brazil
Ph.D. and Post-doctoral opportunities
Contact us If you are interested in pursuing graduate studies/research in our group.
A list of scientific meetings, mostly in gravitational physics, in 2016.