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Picture of Gurtina Besla

Gurtina Besla

Associate Professor, Astronomy | Member of the Graduate Faculty | Associate Astronomer, Steward Observatory

Collaboration(16)

Daewook Kim
Michele Walsh
Michael Nolan
Kimberly Sierra-Cajas
Nirav Merchant

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Grants(22)

Internal Proper Motion Kinematics of Dwarf Spheroidal Galaxies: Constraining the Density and Properties of Dark Matter
Active·2022·$8.1K·
External
Principal Investigator (PI)
galaxy kinematics, dark matter, dwarf galaxies, kinematic modeling, dark matter properties
Andromeda and the Seven Dwarfs: M31 Mass, Satellite Orbits, and the Nature of the Satellite Plane
Active·2021·$29.8K·
External
Principal Investigator (PI)
galaxy evolution, satellite dynamics, dark matter, gravitational interactions, cosmology
Resolved Proper Motions of M33
Active·2021·$14.9K·
External
Principal Investigator (PI)
astronomy, galaxies, stellar motions
CAREER: Constraining the Nature and Distribution of Dark Matter in the Era of High-Precision Astrometry
Active·2020·$1.6M / $804.6K·
External
Principal Investigator (PI)
dark matter, astrometry, cosmology, galactic dynamics, particle physics
Orbits of Isolated Dwarfs: Local Group Mass and Environmental Quenching
Active·2020·$30K·
External
Principal Investigator (PI)
galactic orbits, dwarf galaxies, local group, environmental quenching, mass estimation

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Publications(74)

Recent

All-sky dynamical response of the Galactic halo to the Large Magellanic Cloud

2021

galactic halo, large magellanic cloud, dynamical response, all-sky, research

The role of faint population III supernovae in forming CEMP stars in ultra-faint dwarf galaxies

2021

supernovae, population iii, cemp stars, dwarf galaxies, cosmic evolution

Highly r-process enhanced stars in ultra-faint dwarf galaxies

2021

stellar nucleosynthesis, dwarf galaxies, cosmic abundances, stellar populations, nuclear astrophysics

The Second Data Release of the Survey of the MAgellanic Stellar History SMASH)

2021

astronomy, galactic surveys, stellar history, data release, survey

The Clustering of Orbital Poles Induced by the LMC: Hints for the Origin of Planes of Satellites

2021

galactic dynamics, satellite galaxies, orbital dynamics, galactic interactions, cosmology

Star Formation Histories of Ultra-faint Dwarf Galaxies: Environmental Differences between Magellanic and Non-Magellanic Satellites?

2021

galaxy formation, dwarf galaxies, star formation, environmental differences, magellanic satellites

The Large Magellanic Cloud stellar content with SMASH. I. Assessing the stability of the Magellanic spiral arms

2020

stellar content, galactic structure, spiral arms, magellanic clouds, stability assessment

The Orbital Histories of Magellanic Satellites Using Gaia DR2 Proper Motions

2020

galactic evolution, satellite galaxies, gaia data, orbital dynamics, astrophysics

HST Proper Motions of NGC 147 and NGC 185: Orbital Histories and Tests of a Dynamically Coherent Andromeda Satellite Plane

2020

galaxy dynamics, proper motion analysis, satellite galaxies, hubble space telescope, orbital histories

Quantifying the impact of the Large Magellanic Cloud on the structure of the Milky Way's dark matter halo using Basis Function Expansions

2020

galactic structure, dark matter, large magellanic cloud, impact quantification, basis function expansions