Multivariate and phylogenetic analyses of galaxies

Didier Fraix-Burnet (1) , Tanuka Chattopadhyay (2) , Mauro D 'Onofrio (3) , Paula Marziani (4) , Saptarshi Mondal (5)

1 IPAG - Institut de Planétologie et d'Astrophysique de Grenoble
2 Department of Applied Mathematics
3 Dipartimento di Fisica e Astronomia "Galileo Galilei"
4 OAPD - INAF - Osservatorio Astronomico di Padova
5 Departnment of Statistics, Bethune College

Investigating the formation and evolution of galaxies is becoming a complicated process with the increased availability of huge databases as a result of instrumental improvements. In this poster we present preliminary results on two statistical studies using multivariate partitioning and cladistic analyses to find homogeneous groups and their evolutionary relationships.

Domaines: Cosmologie et astrophysique extra-galactique [astro-ph.CO]

Didier Fraix-Burnet, Tanuka Chattopadhyay, Mauro D 'Onofrio, Paula Marziani, Saptarshi Mondal. Multivariate and phylogenetic analyses of galaxies. Galaxy Evolution Across Time, Jun 2017, Paris, France. 129, pp.445 - 805, 2017. ⟨hal-01623473⟩