24 citations · 32 across the 10 of their papers we have counts for
11 papers
Probing the Nature of the Circumstellar Material Surrounding SN 2024ggi: A Search for Precursor Emission and Constraints from Radio Observations
Tobias Géron, James K. Leung, Maria R. Drout +8
We present an analysis of the pre-explosion optical light curve and post-explosion radio observations of the nearby supernova (SN) 2024ggi, a Type II SN discovered in NGC 3621 at a…
Unresolved Binary Systems in the Rubin Era I: An Autoencoder Framework for Binary Identification Applied to 47 Tucanae
Tobias Géron, Alexander Laroche, Joshua S. Speagle +1
Binary systems are extremely common and influence many areas of astrophysics, such as stellar evolution and cluster dynamics. In this work, we introduce flexAE, a framework that co…
The fraction of clumpy star-forming galaxies in nearby galaxies from CLAUDS and HSC-SSP
Jürgen J. Popp, Hugh Dickinson, Stephen Serjeant +3
Massive, star-forming clumps are regions of intensive star-formation that are commonly observed in high-redshift () galaxies. Observations of low-redshift clumpy galaxy anal…
Star-forming clump detection in nearby galaxies using Faster R-CNN and imaging data from CLAUDS and HSC-SSP
Jürgen J. Popp, Hugh Dickinson, Stephen Serjeant +4
Giant Star-forming Clumps (GSFCs) are kpc-scale regions of enhanced star-formation with stellar masses of to that are commonly observed in high-redshift gala…
Galaxy Zoo Bar Lengths: A Catalogue of Measurements from Hubble Space Telescope Images and the Evolution of Galactic Bar Structure at z < 1
Tenley Hutchinson-Smith, Brooke D. Simmons, Karen L. Masters +12
Understanding the role of galactic scale bars in disk galaxy evolution requires detailed measurements of bar properties across galaxies hosting bars at many redshifts. We present m…
Introducing : a new universal kinematic disturbance parameter
Jonah M. Powley, Rebecca J. Smethurst, Chris J. Lintott +1
We introduce a new kinematic disturbance parameter, (pronounced `DVSG'), which takes advantage of integral field spectroscopy (IFS) to quantify differences between a…
The Role of Baryonic and Dark Matter in Bar Kinematics
Tobias Géron, Kai Zhu, Steph Campbell +3
Simulations predict that bars in galaxies should slow down over time. This is often attributed to the exchange of angular momentum between the bar and other regions of the galaxy,…
DETECT: A Pipeline to Quantify Detection Thresholds in Rubin for Nearby Targets Embedded in Bright Host Galaxies
Tobias Géron, Maria R. Drout, W. V. Jacobson-Galán +1
The final stages of stellar evolution can be constrained by studying pre-SN variability. The incredible amount of data coming from the upcoming Rubin Legacy Survey of Space and Tim…
Galaxy Zoo Evo: 1 million human-annotated images of galaxies
Mike Walmsley, Steven Bamford, Hugh Dickinson +17
We introduce Galaxy Zoo Evo, a labeled dataset for building and evaluating foundation models on images of galaxies. GZ Evo includes 104M crowdsourced labels for 823k images from fo…
The host of GRB 171205A in 3D -- A resolved multiwavelength study of a rare grand-design spiral GRB host
C. C. Thöne, A. de Ugarte Postigo, L. Izzo +17
Long GRB hosts at z<1 are usually low-mass, low metallicity star-forming galaxies. Here we present the until now most detailed, spatially resolved study of the host of GRB 171205A,…
SDSS IV MaNGA: Bar pattern speed in Milky Way Analogue galaxies
Luis Garma-Oehmichen, Héctor Hernández-Toledo, Erik Aquino-Ortíz +8
Most secular effects produced by stellar bars strongly depend on the pattern speed. Unfortunately, it is also the most difficult observational parameter to estimate. In this work,…