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List of works by Sangmo Sohn

A comprehensive GALEX ultraviolet catalog of star clusters in M31 and a study of the young clusters

scientific article

A kiloparsec-scale internal shock collision in the jet of a nearby radio galaxy

scientific article published in Nature

A wide-field photometric survey for extratidal tails around five metal-poor globular clusters in the galactic halo

scientific article published in Astronomical Journal

Absolute Hubble Space Telescope Proper Motion (HSTPROMO) of Distant Milky Way Globular Clusters: Galactocentric Space Velocities and the Milky Way Mass

An HST proper-motion study of the large-scale jet of 3C273 ⬇️

Estimating the Mass of the Milky Way Using the Ensemble of Classical Satellite Galaxies

scientific article published in the Astrophysical Journal

Evidence for an Intermediate-mass Milky Way from Gaia DR2 Halo Globular Cluster Motions

article

Exploring Halo Substructure with Giant Stars. X. Extended Dark Matter or Tidal Disruption?: The Case for the Leo I Dwarf Spheroidal Galaxy ⬇️

scientific article published in the Astrophysical Journal

Exploring Halo Substructure with Giant Stars. XI. The Tidal Tails of the Carina Dwarf Spheroidal Galaxy and the Discovery of Magellanic Cloud Stars in the Carina Foreground ⬇️

scientific article published in the Astrophysical Journal

Exploring Halo Substructure with Giant Stars: The Velocity Dispersion Profiles of the Ursa Minor and Draco Dwarf Spheroidal Galaxies at Large Angular Separations ⬇️

scientific article published in the Astrophysical Journal

First Gaia Dynamics of the Andromeda System: DR2 Proper Motions, Orbits, and Rotation of M31 and M33

scientific article published in the Astrophysical Journal

GALEXUltraviolet Photometry of Globular Clusters in M31: Three‐Year Results and a Catalog

scientific article

Gaia DR2 proper motions of dwarf galaxies within 420 kpc. Orbits, Milky Way mass, tidal influences, planar alignments, and group infall

scientific article

HALO7D II: The Halo Velocity Ellipsoid and Velocity Anisotropy with Distant Main-sequence Stars

scholarly article

HST Astrometry in the 30 Doradus Region. II. Runaway Stars from New Proper Motions in the Large Magellanic Cloud

scholarly article

Hubble Space Telescope proper motions along the Sagittarius stream. I. Observations and results for stars in four fields ⬇️

scientific article published in the Astrophysical Journal

Hubble Space Telescope proper motions of individual stars in stellar streams: Orphan, Sagittarius, Lethe, and the new "Parallel' stream" ⬇️

scientific article published in the Astrophysical Journal

Isotropic at the break? 3D kinematics of Milky Way halo stars in the foreground of M31 ⬇️

scientific article published in the Astrophysical Journal

JWST-TST DREAMS: Quartz Clouds in the Atmosphere of WASP-17b

scientific article published in October 2023

Multi-element abundance measurements from medium-resolution spectra. II. Catalog of stars in Milky Way dwarf satellite galaxies

scientific article published on 30 November 2010

Multi-element abundance measurements from medium-resolution spectra. IV. Alpha element distributions in Milky way satellite galaxies ⬇️

scientific article published in the Astrophysical Journal

Nonlinear color-metallicity relations of globular clusters. II. A test on the nonlinearity scenario for color bimodality using the u-band colors: the case of M87 (NGC 4486) ⬇️

scientific article published in the Astrophysical Journal

Nonlinear color-metallicity relations of globular clusters. III. On the discrepancy in metallicity between globular cluster systems and their parent elliptical galaxies ⬇️

scientific article published in the Astrophysical Journal

Nonlinear color-metallicity relations of globular clusters. IV. Testing the nonlinearity scenario for color bimodality via HST/WFC3 u-band photometry of M84 (NGC 4374) ⬇️

scientific article published in the Astrophysical Journal

Old stellar population synthesis: new age and mass estimates for Mayall II = G1

article

Optical proper motion measurements of the M87 jet: new results from the Hubble space telescope ⬇️

Probing the intermediate-age globular clusters in NGC 5128 from ultraviolet observations ⬇️

scientific article published in the Astrophysical Journal

Proper Motions of Jets on the Kiloparsec Scale: New Results with HST

Reddening, distance, and stellar content of the young open cluster Westerlund 2 ⬇️

scientific article

Revealing the Structure and Internal Rotation of the Sagittarius Dwarf Spheroidal Galaxy with Gaia and Machine Learning

scientific article published in February 2021

SMHASH: anatomy of the Orphan Stream using RR Lyrae stars

scientific article

Space Motions of the Dwarf Spheroidal Galaxies Draco and Sculptor Based on HST Proper Motions with a ∼10 yr Time Baseline

scientific article published in the Astrophysical Journal

Structural Parameters and Possible Association of the Ultra-faint Dwarfs Pegasus III and Pisces II from Deep Hubble Space Telescope Photometry

scientific article published in 2022

The Hubble Space Telescope Survey of M31 Satellite Galaxies. I. RR Lyrae–based Distances and Refined 3D Geometric Structure

scientific article published in 2022

The James Webb Space Telescope Mission

scientific article published in June 2023

The M31 velocity vector. I. Hubble space telescope proper-motion measurements ⬇️

scientific article published in the Astrophysical Journal

The M31 velocity vector. II. Radial orbit toward the Milky Way and implied Local Group mass ⬇️

scientific article published in the Astrophysical Journal

The M31 velocity vector. III. Future Milky Way M31-M33 orbital evolution, merging, and fate of the Sun ⬇️

scientific article (publication date: 8 June 2012)

The Metal-poor non-Sagittarius (?) Globular Cluster NGC 5053: Orbit and Mg, Al, and Si Abundances

scientific article published in the Astrophysical Journal

The Missing Satellites of the Magellanic Clouds? Gaia Proper Motions of the Recently Discovered Ultra-faint Galaxies

scientific article

The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. I. Instrument Overview and In-flight Performance

scientific article published in September 2023

The Proper Motion Field of the Small Magellanic Cloud: Kinematic Evidence for Its Tidal Disruption

The Proper Motion of Pyxis: The First Use of Adaptive Optics in Tandem withHSTon a Faint Halo Object

scientific article published in the Astrophysical Journal

The Proper-motion Field along the Magellanic Bridge: A New Probe of the LMC–SMC Interaction

scholarly article

The space motion of Leo I: Hubble space telescope proper motion and implied orbit ⬇️

scientific article published in the Astrophysical Journal

The space motion of Leo I: the mass of the Milky Way's dark matter halo ⬇️

scientific article published in the Astrophysical Journal

The starburst cluster Westerlund 1: the initial mass function and mass segregation

scientific article published in Astronomical Journal

Ultraviolet Legacy Library of Young Stars as Essential Standards (ULLYSES): Data Release I

scientific article published in 2020

Ultraviolet properties of Galactic globular clusters with GALEX. II. Integrated colors

scientific article published in Astronomical Journal

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