The discovery of the HD219134 planetary system, 21.2 light-years away in the constellation of Cassiopeia, is co-authored by Pedro Figueira, from Instituto de Astrofísica e Ciências do Espaço (IA).
Closest rocky transiting exoplanet observed
![Imagem artística do exoplaneta HD219134 b.](https://divulgacao.iastro.pt/wp-content/uploads/2017/09/2015Jul31_banner-752x269.jpg)
Imagem artística do exoplaneta HD219134 b. Crédito: NASA/JPL-Caltech/R. Hurt