1 citations · 1 across the 7 of their papers we have counts for
7 papers
Inclinations and Position Angles for Disc Galaxies in the SGA sample
Megan H. Martinez, Michael S. Petersen, Carrie Filion +2
We present a data-driven method for determining the inclination and position angle (PA) of disc galaxies using a Fourier-Laguerre basis decomposition of imaging data. We define a d…
Constraining the Milky Way dark matter halo with LMC-induced reflex motion
Rashid Yaaqib, Michael Petersen, Jorge Peñarrubia
Modelling perturbations of the Milky Way (MW) halo induced by the infall of the Large Magellanic Cloud (LMC) offers new avenues to constrain the dark matter (DM) distribution in ou…
commensurability: a Python package for classifying astronomical orbits based on their toroid volume
Subhadeep Sarkar, Michael S. Petersen
As a star orbits the center of its host galaxy, the trajectory is encompassed within a 3D toroid. The orbit probes all points in this toroid, unless its orbital frequencies exhibit…
The angular momentum spiral of the Milky Way disc in Gaia
Rashid Yaaqib, Aneesh P. Naik, Jorge Peñarrubia +1
Data from the Gaia mission shows prominent phase-space spirals that are the signatures of disequilibrium in the Milky Way (MW) disc. In this work, we present a novel perspective on…
Disc asymmetry characterisation in JWST-observed galaxies at 1 < z < 4
Ananya Ganapathy, Michael S. Petersen, Rashid Yaaqib +1
We present a novel technique using Fourier series and Laguerre polynomials to represent morphological features of disc galaxies. To demonstrate the utility of this technique, we st…
The radial variation of the LMC-induced reflex motion of the Milky Way disc observed in the stellar halo
Rashid Yaaqib, Michael S. Petersen, Jorge Peñarrubia
We measure the kinematic signature arising from the Milky Way (MW) disc moving with respect to the outer stellar halo, which is observed as a dipole signal in the kinematics of ste…
Disentangling the Galaxy's Gordian knot: evidence from for a knotted and slower bar in the Milky Way
Danny Horta, Michael S. Petersen, Jorge Peñarrubia
The inner kiloparsec (kpc) region of the Milky Way is complex. Unravelling the evolution of the Galaxy requires precise understanding of the formation of this region. We re…