34 citations · 83 across the 9 of their papers we have counts for
11 papers
A Comprehensive AGN Inventory for the Dwarf-Dominated RESOLVE and ECO Surveys: Mass-Dependent AGN Types and Occupation Fractions
Mugdha S. Polimera, Sheila J. Kannappan, Chris T. Richardson +7
We catalog Active Galactic Nuclei (AGN) in the volume- and mass-limited RESOLVE and ECO surveys using (i) the BPT plot with standard and alternate demarcations, (ii) the BPT plot a…
Using Machine Learning to Estimate Near-ultraviolet Magnitudes and Probe Quenching Mechanisms of =0 Nuggets in the RESOLVE and ECO Surveys
D. S. Carr, S. J. Kannappan, Z. L. Hutchens +4
We present a census of nuggets -- compact galaxies that form via gas-rich violent disk instability -- within the luminosity- and volume-limited REsolved Spectroscopy Of a Loc…
Emission Line Diagnostics for IMBHs in Dwarf Galaxies: Accounting for BH Seeding and ULX Excitation
Chris T. Richardson, Jordan Wels, Kristen Garofali +13
Dwarf AGN serve as the ideal systems for identifying intermediate mass black holes (IMBHs) down to the most elusive regimes (). However, the ubiquitousl…
A Survey on Hypothesis Generation for Scientific Discovery in the Era of Large Language Models
Atilla Kaan Alkan, Shashwat Sourav, Maja Jablonska +14
Hypothesis generation is a fundamental step in scientific discovery, yet it is increasingly challenged by information overload and disciplinary fragmentation. Recent advances in La…
Recovering the properties of the interstellar medium through integrated spectroscopy: application to the z~0 ECO volume-limited star-forming galaxy sample
V. Lebouteiller, C. T. Richardson, M. S. Polimera +7
Deriving physical parameters from integrated galaxy spectra is paramount to interpret the cosmic evolution of star formation, chemical enrichment, and energetic sources. We develop…
pathfinder: A Semantic Framework for Literature Review and Knowledge Discovery in Astronomy
Kartheik G. Iyer, Mikaeel Yunus, Charles O'Neill +27
The exponential growth of astronomical literature poses significant challenges for researchers navigating and synthesizing general insights or even domain-specific knowledge. We pr…
Identification and Quenching of Nugget Galaxies in the RESOLVE Survey at z = 0
Derrick S. Carr, Sheila J. Kannappan, Mark A. Norris +7
We present a complete census of candidate nuggets, i.e., dense galaxies likely formed by compaction with intense gas influx, within the volume-limited REsolved Spectrosc…
Experimenting with Large Language Models and vector embeddings in NASA SciX
Sergi Blanco-Cuaresma, Ioana Ciucă, Alberto Accomazzi +19
Open-source Large Language Models enable projects such as NASA SciX (i.e., NASA ADS) to think out of the box and try alternative approaches for information retrieval and data augme…
RESOLVE and ECO: Finding Low-Metallicity Dwarf AGN Candidates Using Optimized Emission-Line Diagnostics
Mugdha S. Polimera, Sheila J. Kannappan, Chris T. Richardson +6
Existing star-forming vs. active galactic nucleus (AGN) classification schemes using optical emission-line diagnostics mostly fail for low-metallicity and/or highly star-forming ga…
Optical and JWST Mid-IR Emission Line Diagnostics for Simultaneous IMBH and Stellar Excitation in z~0 Dwarf Galaxies
C. T. Richardson, C. Simpson, M. S. Polimera +4
Current observational facilities have yet to conclusively detect intermediate mass black holes (IMBHs) that fill in the evolutionary gap between early unive…
Addressing the [O III]/H\b{eta} Offset of Dwarf Galaxies in the RESOLVE Survey
Chris T. Richardson, Mugdha S. Polimera, Sheila J. Kannappan +2
Metal poor dwarf galaxies in the local universe, such as those found in the RESOLVE galaxy survey, often produce high [O III]/H\b{eta} ratios close to the star forming demarcation…