1. Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto, CAUP , Rua das Estrelas, P-4150-762 Porto , Portugal
2. Departamento de Física e Astronomia, Faculdade de Ciências da Universidade do Porto , Rua do Campo Alegre, P-4169-007 Porto , Portugal
3. American Museum of Natural History , 200 Central Park West, Manhattan, NY 10024 , USA
4. Center for Computational Astrophysics, Flatiron Institute , 162 5th Avenue, Manhattan, NY 10010 , USA
5. Department of Physics and Astronomy, Johns Hopkins University , Baltimore, MD , USA
6. Observatoire Astronomique de l’Université de Genève , Chemin Pegasi 51, CH-1290 Versoix , Switzerland
7. Astrophysics Group, Keele University , Staffordshire ST5 5BG , UK
8. Department of Physics and Astronomy, University of California , Irvine, Irvine, CA 92697 , USA
9. Institute for Astronomy, University of Hawai’i , 2680 Woodlawn Drive, Honolulu, HI 96822 USA
10. Institute for Astronomy, University of California Berkeley , Berkeley, CA 94720 , USA
11. Centre for Astrophysics , University of Southern Queensland, West Street, Toowoomba, QLD 4350 , Australia
12. Center for Astrophysics | Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138 , USA
13. Department of Physics and Astronomy, University of California Los Angeles , Los Angeles, CA 90095 , USA
14. NASA Ames Research Center , Moffett Field, CA 94035 , USA
15. Department of Astronomy, California Institute of Technology , Pasadena, CA 91125 , USA
16. Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology , Cambridge, MA 02139 , USA
17. Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology , Cambridge, MA 02139 , USA
18. Department of Aeronautics and Astronautics, MIT , 77 Massachusetts Avenue, Cambridge, MA 02139 , USA
19. Department of Astrophysical Sciences, Princeton University , Princeton, NJ 08544 , USA
20. Sydney Institute for Astronomy (SIfA), School of Physics, University of Sydney , NSW 2006 , Australia