• A new method for estimating the pattern speed of spiral structure in the Milky Way 

      Junqueira, Thiago Correr; Chiappini, C.C.M.; Lépine, Jacques Raymond Daniel; Minchev, Ivan; Santiago, Basilio Xavier (2015) [Artigo de periódico]
      In the last few decades, many efforts have been made to understand the effect of spiral arms on the gas and stellar dynamics in the Milky Way disc. One of the fundamental parameters of the spiral structure is its angular ...