311 citations · 2.8k across the 51 of their papers we have counts for
5 papers · 1 filter
Stars with fast Galactic rotation observed in Gaia TGAS: a signature driven by the Perseus arm?
Jason A. S. Hunt, Daisuke Kawata, Giacomo Monari +3
We report on the detection of a small overdensity of stars in velocity space with systematically higher Galactocentric rotation velocity than the Sun by about 20 km s in the…
Tracing the Hercules stream with Gaia and LAMOST: new evidence for a fast bar in the Milky Way
Giacomo Monari, Daisuke Kawata, Jason A. S. Hunt +1
The length and pattern speed of the Milky Way bar are still controversial. Photometric and spectroscopic surveys of the inner Galaxy, as well as gas kinematics, favour a long and s…
Staying away from the bar: the local dynamical signature of slow and fast bars in the Milky Way
Giacomo Monari, Benoit Famaey, Arnaud Siebert +3
Both the three-dimensional density of red clump giants and the gas kinematics in the inner Galaxy indicate that the pattern speed of the Galactic bar could be much lower than previ…
The effects of bar-spiral coupling on stellar kinematics in the Galaxy
Giacomo Monari, Benoit Famaey, Arnaud Siebert +3
We investigate models of the Milky Way disc taking into account simultaneously the bar and a two-armed quasi-static spiral pattern. Away from major resonance overlaps, the mean ste…
Modelling the Galactic disc: perturbed distribution functions in the presence of spiral arms
Giacomo Monari, Benoit Famaey, Arnaud Siebert
Starting from an axisymmetric equilibrium distribution function (DF) in action space, representing a Milky Way thin disc stellar population, we use the linearized Boltzmann equatio…