Discussion of the paper "Universal Interferometric Signatures of a Black Hole's Photon Ring", by Michael D. Johnson, et al.

5-9/10/2026 newsletter

Other information [last update 14/9/2026]

Next workshop:
XIX Black Holes Workshop, Minho, 2026
17-18 December 2026

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
XI Black Holes Workshop, Lisbon, 2018
XII Black Holes Workshop, Minho, 2019
XIII Black Holes Workshop, Lisbon, 2020
XIV Black Holes Workshop, Aveiro, 2021
XV Black Holes Workshop, Lisbon, 2022
XVI Black Holes Workshop, Porto, 2023
XVII Black Holes Workshop, Aveiro, 2024
XVIII Black Holes Workshop, Lisbon, 2025

Kerr black holes with scalar hair

Kerr black holes with Proca hair (excited, n=1)

Quasi-Kerr hairy black holes

Kerr black holes with Proca hair/
spinning Proca stars (fundamental, n=0)

Dipole Boson Stars

Our group coordinates the Marie Curie RISE FunFiCO network (Dec 2017- Dec 2023)

More info here

We are part of the European Consortium for Astroparticle Theory (EuCAPT).

More info in the consortium webpage.

Our group was part of the Gravitational Wave Universe

COST Action CA16104

April 2017 - April 2021

Our group was part of the RISE StronGrHEP network (2016-2019)

Meetings:

Paris, 12-13 May 2016
Azores, 3-8 July 2017
Osaka, 4-8 September 2017

Our group coordinated the "Numerical Relativity and High Energy Physics" IRSES network (2012-2015). Here is a list of the global network meetings organized:

First Meeting:
9-13 July 2012, Aveiro, Portugal

Second Meeting:
11-14 March 2013, Lisbon, Portugal

Third Meeting:
6-10 January 2014, Mississippi, USA

Fourth Meeting:
7-10 July 2015, Rome, Italy

Fifth Meeting:
28 Sep-2 Oct 2015, Belém, Brazil

Our group is part of the

Quantum Gravity Phenomenology in the Multimessanger Approach

Contact us If you are interested in pursuing graduate studies/research in our group.

Information for prospective Ph.D. students can be found here.

Past Ph.D. theses from our group can be found here.

Working as a researcher in Portugal - a quick guide.

Good Research Practices for New PhD students - a quick guide.