350 citations · 1.6k across the 37 of their papers we have counts for
37 papers
Investigating quenching in Recently Quenched Elliptical galaxies with HI studies
Deepak K. Deo, Daniel H. McIntosh, Sravani Vaddi +4
Recently Quenched Elliptical galaxies (RQEs) represent a critical phase in the transition from star-forming to quiescent galaxies. However, the mechanisms driving their quenching r…
The Ly and Continuum Origins Survey. III. Investigating the Link between Galaxy Morphology, Merger Properties and LyC Escape
Alexandra Le Reste, Anne E. Jaskot, Jordanne Brazie +20
Characterizing the mechanisms and galaxy properties conducive to the emission and escape of ionizing (LyC) emission is necessary to accurately model the Epoch of Reionization, and…
Recent star formation in 0.5<z<1.5 quiescent galaxies
Michael J. Rutkowski, Bonnabelle Zabelle, Tyler Hagen +22
Observations of massive, quiescent galaxies reveal a relatively uniform evolution: following prolific star formation in the early universe, these galaxies quench and transition to…
UVCANDELS: Catalogs of photometric redshifts and galaxy physical properties
Vihang Mehta, Marc Rafelski, Ben Sunnquist +76
The UltraViolet imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey Fields (UVCANDELS) program provides deep HST F275W and F435W imaging over four CANDELS…
Jovian Vortex Hunter: a citizen science project to study Jupiter's vortices
Ramanakumar Sankar, Shawn Brueshaber, Lucy Fortson +4
The Jovian atmosphere contains a wide diversity of vortices, which have a large range of sizes, colors and forms in different dynamical regimes. The formation processes for these v…
Galaxy Zoo DESI: large-scale bars as a secular mechanism for triggering AGN
Izzy L. Garland, Mike Walmsley, Maddie S. Silcock +13
Despite the evidence that supermassive black holes (SMBHs) co-evolve with their host galaxy, and that most of the growth of these SMBHs occurs via merger-free processes, the underl…
Challenging the LyC-Ly relation: strong Ly emitters without LyC leakage at z 2.3
Annalisa Citro, Claudia M. Scarlata, Kameswara B. Mantha +9
The escape fraction of LyC ionizing radiation () is crucial for understanding reionization, yet difficult to measure at . Recently, studies have focused on ca…
Scaling Laws for Galaxy Images
Mike Walmsley, Micah Bowles, Anna M. M. Scaife +17
We present the first systematic investigation of supervised scaling laws outside of an ImageNet-like context - on images of galaxies. We use 840k galaxy images and over 100M annota…
Transfer learning for galaxy feature detection: Finding Giant Star-forming Clumps in low redshift galaxies using Faster R-CNN
Jürgen Popp, Hugh Dickinson, Stephen Serjeant +8
Giant Star-forming Clumps (GSFCs) are areas of intensive star-formation that are commonly observed in high-redshift (z>1) galaxies but their formation and role in galaxy evolution…
TCuPGAN: A novel framework developed for optimizing human-machine interactions in citizen science
Ramanakumar Sankar, Kameswara Mantha, Lucy Fortson +8
In the era of big data in scientific research, there is a necessity to leverage techniques which reduce human effort in labeling and categorizing large datasets by involving sophis…
Automated 3D Tumor Segmentation using Temporal Cubic PatchGAN (TCuP-GAN)
Kameswara Bharadwaj Mantha, Ramanakumar Sankar, Lucy Fortson
Development of robust general purpose 3D segmentation frameworks using the latest deep learning techniques is one of the active topics in various bio-medical domains. In this work,…
The UV luminosity function at 0.6 < z < 1 from UVCANDELS
Lei Sun, Xin Wang, Harry I. Teplitz +75
UVCANDELS is a HST Cycle-26 Treasury Program awarded 164 orbits of primary ultraviolet (UV) F275W imaging and coordinated parallel optical F435W imaging in four CANDELS fields: GOO…
Optimizing the Wasserstein GAN for TeV Gamma Ray Detection with VERITAS
Deivid Ribeiro, Yuping Zheng, Ramana Sankar +1
The observation of very-high-energy (VHE, E>100 GeV) gamma rays is mediated by the imaging atmospheric Cherenkov technique (IACTs). At these energies, gamma rays interact with the…
Galaxy Zoo DESI: Detailed Morphology Measurements for 8.7M Galaxies in the DESI Legacy Imaging Surveys
Mike Walmsley, Tobias Géron, Sandor Kruk +13
We present detailed morphology measurements for 8.67 million galaxies in the DESI Legacy Imaging Surveys (DECaLS, MzLS, and BASS, plus DES). These are automated measurements made b…
The Lyman Continuum Escape Fraction of Star-forming Galaxies at from UVCANDELS
Xin Wang, Harry I. Teplitz, Brent M. Smith +74
The UltraViolet Imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey Fields (UVCANDELS) survey is a Hubble Space Telescope (HST) Cycle-26 Treasury Program,…
Harnessing the Hubble Space Telescope Archives: A Catalogue of 21,926 Interacting Galaxies
David O'Ryan, Bruno Merín, Brooke D. Simmons +13
Mergers play a complex role in galaxy formation and evolution. Continuing to improve our understanding of these systems require ever larger samples, which can be difficult (even im…
Galaxy Zoo: Kinematics of strongly and weakly barred galaxies
Tobias Géron, Rebecca J. Smethurst, Chris Lintott +8
We study the bar pattern speeds and corotation radii of 225 barred galaxies, using IFU data from MaNGA and the Tremaine-Weinberg method. Our sample, which is divided between strong…
The Art of Measuring Physical Parameters in Galaxies: A Critical Assessment of Spectral Energy Distribution Fitting Techniques
Camilla Pacifici, Kartheik G. Iyer, Bahram Mobasher +52
The study of galaxy evolution hinges on our ability to interpret multi-wavelength galaxy observations in terms of their physical properties. To do this, we rely on spectral energy…
From fat droplets to floating forests: cross-domain transfer learning using a PatchGAN-based segmentation model
Kameswara Bharadwaj Mantha, Ramanakumar Sankar, Yuping Zheng +11
Many scientific domains gather sufficient labels to train machine algorithms through human-in-the-loop techniques provided by the Zooniverse.org citizen science platform. As the ra…
A spatially resolved analysis of star-formation burstiness by comparing UV and H in galaxies at z1 with UVCANDELS
Vihang Mehta, Harry I. Teplitz, Claudia Scarlata +30
The UltraViolet imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey Fields (UVCANDELS) program provides HST/UVIS F275W imaging for four CANDELS fields. We…
Galaxy Zoo: Clump Scout -- Design and first application of a two-dimensional aggregation tool for citizen science
Hugh Dickinson, Dominic Adams, Vihang Mehta +9
Galaxy Zoo: Clump Scout is a web-based citizen science project designed to identify and spatially locate giant star forming clumps in galaxies that were imaged by the Sloan Digital…
Optimized Photometric Redshifts for the Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey (CANDELS)
Dritan Kodra, Brett H. Andrews, Jeffrey A. Newman +27
We present the first comprehensive release of photometric redshifts (photo-z's) from the Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey (CANDELS) team. We use stati…
Investigating the Effect of Galaxy Interactions on Star Formation at 0.5<z<3.0
Ekta A. Shah, Jeyhan S. Kartaltepe, Christina T. Magagnoli +24
Observations and simulations of interacting galaxies and mergers in the local universe have shown that interactions can significantly enhance the star formation rates (SFR) and fue…
Identifying Galaxy Mergers in Simulated CEERS NIRCam Images using Random Forests
Caitlin Rose, Jeyhan S. Kartaltepe, Gregory F. Snyder +23
Identifying merging galaxies is an important - but difficult - step in galaxy evolution studies. We present random forest classifications of galaxy mergers from simulated JWST imag…