activity
20152025
most citedFirst results from the MADCASH Survey: A Faint Dwarf Galaxy Companion to the Low Mass Spiral Galaxy NGC 2403 at 3.2 Mpc

106 citations · 1k across the 49 of their papers we have counts for

collaborators

49 papers

astro-ph.GA2025

SEAMLESS Survey: Four Faint Dwarf Galaxies Tracing Low-Mass Galaxy Evolution Across Environments

Catherine E. Fielder, Michael G. Jones, David J. Sand +11

We report on four Local Volume dwarf galaxies identified through our ongoing SEmi-Automated Machine LEarning Search for Semi-resolved galaxies (SEAMLESS): Hydrus A, LEDA 486718, Ce…

astro-ph.GA2025★ 1 cited

Star formation histories and gas content limits of three ultra-faint dwarfs on the periphery of M31

Michael G. Jones, David J. Sand, Paul Bennet +9

We present Hubble Space Telescope (HST) imaging of Pegasus V and Pisces VII, along with a re-analysis of the archival imaging of Pegasus W, and Jansky Very Large Array (VLA) neutra…

astro-ph.GA2025

Pavo: Stellar feedback in action in a low-mass dwarf galaxy

Michael G. Jones, Martin P. Rey, David J. Sand +13

MeerKAT observations of the recently discovered, extremely low mass galaxy, Pavo, have revealed a neutral gas (HI) reservoir that was undetected in archival HI single dish data. We…

astro-ph.GA2025

The NGC3109 Satellite System: The First Systematic Resolved Search for Dwarf Galaxies Around a SMC-mass Host

Amandine Doliva-Dolinsky, Burçin Mutlu-Pakdil, Denija Crnojević +38

We report the results of the deepest search to date for dwarf galaxies around NGC3109, a barred spiral galaxy with a mass similar to that of the Small Magellanic Cloud (SMC), using…

astro-ph.GA2025

Identifying Dwarfs of MC Analog GalaxiEs (ID-MAGE): The Search for Satellites Around Low-Mass Hosts

Laura Congreve Hunter, Burçin Mutlu-Pakdil, David J. Sand +11

We present results from ID-MAGE (Identifying Dwarfs of MC Analog GalaxiEs), a survey aimed at identifying and characterizing unresolved satellite galaxies around 36~nearby LMC- and…

astro-ph.GA2025★ 1 cited

Are Gas-rich Ultra-diffuse Galaxies and Field Dwarfs Distinct?

Khadeejah Motiwala, Ananthan Karunakaran, Kristine Spekkens +5

We explore the differences in gas-rich field Ultra-Diffuse Galaxies (UDGs) and classical dwarf galaxies using an extensive atomic gas (HI) follow-up survey of optically-selected UD…

astro-ph.GA2025

Streams, Shells, and Substructures in the Accretion-Built Stellar Halo of NGC 300

Catherine E. Fielder, David J. Sand, Michael G. Jones +27

We present deep optical observations of the stellar halo of NGC 300, an LMC-mass galaxy, acquired with the DEEP sub-component of the DECam Local Volume Exploration survey (DELVE) u…

astro-ph.GA2024

Fuzzy Galaxies or Cirrus? Decomposition of Galactic Cirrus in Deep Wide-Field Images

Qing Liu, Roberto Abraham, Peter G. Martin +12

Diffuse Galactic cirrus, or Diffuse Galactic Light (DGL), can be a prominent component in the background of deep wide-field imaging surveys. The DGL provides unique insights into t…

astro-ph.GA2024

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

D. J. Sand, B. Mutlu-Pakdil, M. G. Jones +18

We report the discovery of three faint and ultra-faint dwarf galaxies -- Sculptor A, Sculptor B and Sculptor C -- in the direction of NGC 300 (D=2.0 Mpc), a Large Magellanic Cloud-…

astro-ph.GA2024

Systematically Measuring Ultra-Diffuse Galaxies. VII. The HI Survey Overview

Ananthan Karunakaran, Khadeejah Motiwala, Kristine Spekkens +3

We present the results from the neutral hydrogen (HI) follow-up survey of 378 optically-detected UDG candidates from the Systematically Measuring Ultra-Diffuse Galaxies (SMUDGes) s…

astro-ph.GA2024

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

Michael G. Jones, David J. Sand, Burcin Mutlu-Pakdil +9

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 Survey during t…

astro-ph.GA2024

Dark no more: The low luminosity stellar counterpart of a dark cloud in the Virgo cluster

Michael G. Jones, Steven Janowiecki, Swapnaneel Dey +9

We have discovered the stellar counterpart to the ALFALFA Virgo 7 cloud complex, which has been thought to be optically dark and nearly star-free since its discovery in 2007. This…

astro-ph.GA2024

The Faint Satellite System of NGC 253: Insights into Low-Density Environments and No Satellite Plane

Burçin Mutlu-Pakdil, David J. Sand, Denija Crnojević +12

We have conducted a systematic search around the Milky Way (MW) analog NGC 253 (D=3.5 Mpc), as a part of the Panoramic Imaging Survey of Centaurus and Sculptor (PISCeS) - a Magella…

astro-ph.GA2024

A Bigger Cloud 9? New HI Observations of the RELHIC Candidate M94-Cloud 9

Ananthan Karunakaran, Kristine Spekkens

We present new HI observations of the REionization-Limited HI Cloud (RELHIC) candidate, M94-CL9, detected around M94 by Zhou et al. using the Five-hundred-meter Aperture Spherical…

astro-ph.GA2024★ 15 cited

All Puffed Up: Exploring Ultra-diffuse Galaxy Origins through Galaxy Interactions

Catherine Fielder, Michael Jones, David Sand +5

We present new follow-up observations of two ultra-diffuse galaxies (UDGs) selected for their distorted morphologies and tidal features, suggestive of tidal influence. Using Hubble…

astro-ph.GA2023

Gas and star formation in satellites of Milky Way analogs

Michael G. Jones, David J. Sand, Ananthan Karunakaran +9

We have imaged the entirety of eight (plus one partial) Milky Way-like satellite systems, a total of 42 (45) satellites, from the Satellites Around Galactic Analogs (SAGA) II catal…

astro-ph.GA2023★ 32 cited

An almost dark galaxy with the mass of the Small Magellanic Cloud

Mireia Montes, Ignacio Trujillo, Ananthan Karunakaran +9

Almost Dark Galaxies are objects that have eluded detection by traditional surveys such as the Sloan Digital Sky Survey (SDSS). The low surface brightness of these galaxies ((…

astro-ph.GA2023★ 1 cited

Pavo: Discovery of a star-forming dwarf galaxy just outside the Local Group

Michael G. Jones, Burcin Mutlu-Pakdil, David J. Sand +9

We report the discovery of Pavo, a faint (), star-forming, irregular, and extremely isolated dwarf galaxy at Mpc. Pavo was identified in Dark Energy Camera…

astro-ph.GA2023

WALLABY Pre-Pilot Survey: Ultra-Diffuse Galaxies in the Eridanus Supergroup

B. -Q. For, K. Spekkens, L. Staveley-Smith +12

We present a pilot study of the atomic neutral hydrogen gas (HI) content of ultra-diffuse galaxy (UDG) candidates. In this paper, we use the pre-pilot Eridanus field data from the…

astro-ph.GA2023

Exploring the Structures and Substructures of the Andromeda Satellite Dwarf Galaxies Cassiopeia III, Perseus I, and Lacerta I

Katherine L. Rhode, Nicholas J. Smith, Denija Crnojevic +8

We present results from wide-field imaging of the resolved stellar populations of the dwarf spheroidal galaxies Cassiopeia III (And XXXII) and Perseus I (And XXXIII), two satellite…

astro-ph.GA2023★ 69 cited

Systematically Measuring Ultra-Diffuse Galaxies (SMUDGes). V. The Complete SMUDGes Catalog and the Nature of Ultra-Diffuse Galaxies

Dennis Zaritsky, Richard Donnerstein, Arjun Dey +5

We present the completed catalog of ultra-diffuse galaxy (UDG) candidates (7070 objects) from our search of the DR9 Legacy Survey images, including distance and total mass estimate…

astro-ph.GA2023★ 10 cited

The Disturbed and Globular Cluster-Rich Ultra-diffuse Galaxy UGC 9050-Dw1

Catherine E. Fielder, Michael G. Jones, David J. Sand +5

We investigate the ultra-diffuse galaxy (UDG) UGC 9050-Dw1, which was selected because of its disturbed morphology as part of a larger sample of UDGs that display evidence for sign…

astro-ph.GA2023★ 6 cited

An Enigmatic 380 kpc Long Linear Collimated Galactic Tail

Dennis Zaritsky, Jacob P. Crossett, Yara L. Jaffé +7

We present an intriguing, serendipitously-detected system consisting of an S0/a galaxy, which we refer to as the "Kite", and a highly-collimated tail of gas and stars that extends…

astro-ph.GA2023★ 1 cited

Systematically Measuring Ultra-Diffuse Galaxies (SMUDGes). IV. Ultra-Diffuse Satellites of Milky Way Analogs

Hina Goto, Dennis Zaritsky, Ananthan Karunakaran +2

To better understand the formation of large, low surface brightness galaxies, we measure the correlation function between ultra-diffuse galaxy (UDG) candidates and Milky Way analog…