4 citations · 13 across the 11 of their papers we have counts for
11 papers
Interstellar Medium-Driven Orbital Transport -- I. Radial Heating and Migration
Shaunak Modak, Chris Hamilton, Eve C. Ostriker +1
Interstellar medium (ISM) structures gravitationally perturb stellar orbits in galactic disks, driving orbital heating and migration. However, studies of these transport processes…
Dynamical evolution of stellar binaries in galactic centers
Mark Dodici, Scott Tremaine, Yanqin Wu
Stellar binaries in galactic centers are relevant to several observable phenomena, including hypervelocity stars, X-ray binaries, and mergers of stars and compact objects; however,…
Galactokinetics II: Spiral structure
Chris Hamilton, Shaunak Modak, Scott Tremaine
We present a unified theory of linear spiral structure in stellar disks. We begin by identifying the characteristic scales involved in the spiral structure problem and listing some…
Characterizing Density and Gravitational Potential Fluctuations of the Interstellar Medium
Shaunak Modak, Eve C. Ostriker, Chris Hamilton +1
Substructure in the interstellar medium (ISM) is crucial for establishing the correlation between star formation and feedback and has the capacity to significantly perturb stellar…
Galactic echoes
Rimpei Chiba, Jupiter Ding, Chris Hamilton +2
Gaia has revealed a variety of substructures in the phase space of stars in the Solar neighborhood, including the vertical `Snail' in space. Such substructures are often…
Why is the Galactic disk so cool?
Chris Hamilton, Shaunak Modak, Scott Tremaine
The bulk of old stars in the Galactic disk have migrated radially by up to several kpc in their lifetimes, yet the disk has remained relatively cool, i.e., the ratio of radial heat…
The Black Hole Mass and Photometric Components of NGC 4826
Kayhan Gültekin, Karl Gebhardt, John Kormendy +6
We present IR photometry and HST imaging and spectroscopy of Sab galaxy NGC 4826. Schwarzschild dynamical modeling is used to measure its central black hole mass . Photometric d…
Galactokinetics
Chris Hamilton, Shaunak Modak, Scott Tremaine
Galactic disks lie at the heart of many of the most pressing astrophysical puzzles. There are sophisticated kinetic theories that describe some aspects of galaxy disk dynamics, but…
Iron Snails: non-equilibrium dynamics and spiral abundance patterns
Neige Frankel, David W. Hogg, Scott Tremaine +2
Galaxies are not in a dynamical steady state. They continually undergo perturbations, e.g., from infalling dwarf galaxies and dark-matter substructure. After a dynamical perturbati…
Studying Binary Formation under Dynamical Friction Using Hill's Problem
Mark Dodici, Scott Tremaine
Using the equations of motion from Hill's problem, with added accelerations for different forms of dynamical friction, we provide the (to-date) broadest scale-free study of frictio…
Testing MOND on small bodies in the remote solar system
David Vokrouhlický, David Nesvorný, Scott Tremaine
Modified Newtonian dynamics (MOND), which postulates a breakdown of Newton's laws of gravity/dynamics below some critical acceleration threshold, can explain many otherwise puzzlin…