Comparing tip of the red giant branch distance scales: an independent reduction of the Carnegie-Chicago Hubble program and the value of the Hubble constant

GS Anand, RB Tully, L Rizzi, AG Riess… - The Astrophysical …, 2022 - iopscience.iop.org
The tip of the red giant branch has been used to measure distances to 500 nearby galaxies
with the Hubble Space Telescope (HST) which are available in the Color–Magnitude …

Tucana B: A Potentially Isolated and Quenched Ultra-faint Dwarf Galaxy at D≈ 1.4 Mpc

DJ Sand, B Mutlu-Pakdil, MG Jones… - The Astrophysical …, 2022 - iopscience.iop.org
We report the discovery of Tucana B, an isolated ultra-faint dwarf galaxy at a distance of D=
1.4 Mpc. Tucana B was found during a search for ultra-faint satellite companions to the …

EDGE: What shapes the relationship between H i and stellar observables in faint dwarf galaxies?

MP Rey, A Pontzen, O Agertz… - Monthly Notices of …, 2022 - academic.oup.com
We show how the interplay between feedback and mass-growth histories introduces scatter
in the relationship between stellar and neutral gas properties of field faint dwarf galaxies () …

EDGE-INFERNO: Simulating every observable star in faint dwarf galaxies and their consequences for resolved-star photometric surveys

EP Andersson, MP Rey, A Pontzen… - The Astrophysical …, 2025 - iopscience.iop.org
Abstract Interpretation of data from faint dwarf galaxies is made challenging by observations
limited to only the brightest stars. We present a major improvement to tackle this challenge …

A Search for Gas-Rich Dwarf Galaxies in the Local Universe with ALFALFA and the WIYN One Degree Imager

KL Rhode, NJ Smith, WF Janesh, JJ Salzer… - The Astronomical …, 2023 - iopscience.iop.org
We present results from an optical search for Local Group dwarf galaxy candidates
associated with the Ultra-Compact High Velocity Clouds (UCHVCs) discovered by the …

Harnessing the Hubble Space Telescope Archives: A Catalog of 21,926 Interacting Galaxies

D O'Ryan, B Merín, BD Simmons… - The Astrophysical …, 2023 - iopscience.iop.org
Mergers play a complex role in galaxy formation and evolution. Continuing to improve our
understanding of these systems requires ever larger samples, which can be difficult (even …

EDGE – Dark matter or astrophysics? Breaking dark matter heating degeneracies with H i rotation in faint dwarf galaxies

MP Rey, MDA Orkney, JI Read, P Das… - Monthly Notices of …, 2024 - academic.oup.com
Low-mass dwarf galaxies are expected to reside within dark matter haloes that have a
pristine,'cuspy'density profile within their stellar half-light radii. This is because they form too …

Three Quenched, Faint Dwarf Galaxies in the Direction of NGC 300: New Probes of Reionization and Internal Feedback

DJ Sand, B Mutlu-Pakdil, MG Jones… - The Astrophysical …, 2024 - iopscience.iop.org
We report the discovery of three faint and ultrafaint dwarf galaxies—Sculptor A, Sculptor B,
and Sculptor C—in the direction of NGC 300 (D= 2.0 Mpc), a Large Magellanic Cloud–mass …

Corvus A: A low-mass, isolated galaxy at 3.5 Mpc

MG Jones, DJ Sand, B Mutlu-Pakdil… - The Astrophysical …, 2024 - iopscience.iop.org
We report the discovery of Corvus A, a low-mass, gas-rich galaxy at a distance of
approximately 3.5 Mpc, identified in DR10 of the Dark Energy Camera Legacy Imaging …

Young, Blue, and Isolated Stellar Systems in the Virgo Cluster. I. 2D Optical Spectroscopy

M Bellazzini, L Magrini, MG Jones… - The Astrophysical …, 2022 - iopscience.iop.org
We use panoramic optical spectroscopy obtained with the Very Large Telescope/MUSE to
investigate the nature of five candidate extremely isolated low-mass star-forming regions …