34 citations · 61 across the 27 of their papers we have counts for
10 papers · 1 filter
The SAGA Survey. VI. The Size-Mass Relation for Low-Mass Galaxies Across Environments
Yasmeen Asali, Marla Geha, Erin Kado-Fong +10
We investigate how Milky Way-like environments influence the sizes and structural properties of low-mass galaxies by comparing satellites of Milky Way analogs from the Satellites A…
Using Symbolic Regression to Emulate the Radial Fourier Transform of the Sérsic profile for Fast, Accurate and Differentiable Galaxy Profile Fitting
Tim B. Miller, Imad Pasha
Galaxy profile fitting is a ubiquitous technique that provides the backbone for photometric and morphological measurements in modern extragalactic surveys. A recent innovation in p…
Dangerous Questions in Astronomy Education
Michael Fitzgerald, Rachel Freed, Dan Reichart +63
As astronomy enters an era defined by global telescope networks, petabyte-scale surveys, and powerful computational tools, the longstanding goals of astronomy education, particular…
Quantitative Morphology of Galactic Cirrus in Deep Optical Imaging
Qing Liu, Peter Martin, Roberto Abraham +9
Imaging of optical Galactic cirrus, the spatially resolved form of diffuse Galactic light, provides important insights into the properties of the diffuse interstellar medium (ISM)…
The Infinity Galaxy: a Candidate Direct-Collapse Supermassive Black Hole Between Two Massive, Ringed Nuclei
Pieter van Dokkum, Gabriel Brammer, Josephine F. W. Baggen +3
We report the discovery of an unusual z=1.14 object, dubbed the galaxy, in JWST imaging of the COSMOS field. Its rest-frame near-IR light is dominated by two compact nucle…
Cold gas in a post-starburst pair at z ~ 1.4: major mergers as a pathway to quenching in the HeavyMetal survey
Katherine A. Suess, Aliza G. Beverage, Mariska Kriek +12
Recent observations at low redshift have revealed that some post-starburst galaxies retain significant molecular gas reservoirs despite low ongoing star formation rates, challengin…
Further Evidence for a Direct-Collapse Origin of the Supermassive Black Hole at the Center of the Infinity Galaxy
Pieter van Dokkum, Gabriel Brammer, Connor Jennings +2
The z=1.14 galaxy consists of two ringed nuclei with an active supermassive black hole (SMBH) in between them. The system is likely the result of a nearly face-on collisio…
Kinematic Confirmation of a Remarkable Linear Trail of Galaxies in the NGC 1052 Field, Consistent with Formation in a High-Speed Bullet Dwarf Collision
Michael A. Keim, Pieter van Dokkum, Zili Shen +6
A unique linear trail of diffuse galaxies was recently identified in the NGC 1052 field. This trail includes the remarkable, ultra-diffuse galaxies DF2 and DF4 which lack dark matt…
dfreproject: A Python package for astronomical reprojection
Carter Lee Rhea, Pieter Van Dokkum, Steven R. Janssens +5
Deep astronomical images are often constructed by digitially stacking many individual sub-exposures. Each sub-exposure is expected to show small differences in the positions of sta…
The Bullseye: HST, Keck/KCWI, and Dragonfly Characterization of a Giant Nine-Ringed Galaxy
Imad Pasha, Pieter G. van Dokkum, Qing Liu +5
We report the discovery and multiwavelength followup of LEDA 1313424 ("Bullseye"), a collisional ring galaxy (CRG) with nine readily-identified rings -- the most so far reported fo…