activity
20182026
most citedA planet within the debris disk around the pre-main-sequence star AU Microscopii

242 citations · 670 across the 16 of their papers we have counts for

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Showing astro-ph.GAShow all

10 papers · 1 filter

astro-ph.GA2026

Search for High-Ionization Nebular Emission (SHINE). I. A Systematically Selected [Ne V] Sample at z > 3 with JWST/NIRSpec PRISM

Shobita Satyapal, Sara Doan, Daniel Schaerer +8

We conduct the first systematic Search for High-Ionization Nebular Emission (SHINE) using [Ne V] in JWST/NIRSpec PRISM spectroscopy at . From more than 9,000 gala…

astro-ph.GA2026

JWST Reveals Compact Nuclear Starbursts Masquerading as AGNs in Metal-Poor Dwarfs: Where Are the Accreting Intermediate-Mass Black Holes?

William Matzko, Shobita Satyapal, Jeffrey D. Mckaig +19

We present JWST/NIRSpec spectroscopy of the low-mass, metal-poor galaxy SDSS~J160135.95+311353.7 (J1601), selected for its extreme mid-infrared colors and compact nuclear emission,…

astro-ph.GA2025

Probing AGN Feedback in Dwarf Galaxies with Spatially Resolved NIR Coronal Lines from JWST

Archana Aravindan, Thomas Bohn, Gabriela Canalizo +20

We present the first spatially resolved investigation of near-infrared coronal lines in dwarf galaxies hosting active galactic nuclei (AGN), using JWST/NIRSpec integral field spect…

astro-ph.GA2025

An Increase in the Prevalence of Ionized Outflows in Galaxies with Coronal Line Emission: Feedback in Action?

William Matzko, Shobita Satyapal, Michael Reefe +3

Coronal lines (CLs), which arise from collisionally excited forbidden transitions from highly ionized species, are a powerful diagnostic tool in uncovering active galactic nuclei (…

astro-ph.GA2025

The CLASS Quasar Catalog: Coronal Line Activity in Type 1 SDSS Quasars

Sara Doan, Shobita Satyapal, Michael Reefe +7

We conduct the first systematic survey of a total of eleven optical coronal lines in the spectra of a large sample of low redshift (z < 0.8) Type 1 quasars observed by the Sloan Di…

astro-ph.GA2024★ 1 cited

Local Analogs of Primordial Galaxies: In Search of Intermediate Mass Black Holes with JWST NIRSpec

Sara Doan, Shobita Satyapal, William Matzko +15

Local low metallicity galaxies with signatures of possible accretion activity are ideal laboratories in which to search for the lowest mass black holes and study their impact on th…

astro-ph.GA2022★ 15 cited

Nuclear Activity in the Low Metallicity Dwarf Galaxy SDSS J0944-0038: A Glimpse into the Primordial Universe

Michael Reefe, Shobita Satyapal, Remington O. Sexton +11

Local low metallicity dwarf galaxies are relics of the early universe and hold clues into the origins of supermassive black holes (SMBHs). In recent work, coronal lines have been u…

astro-ph.GA2022★ 12 cited

Galaxy Pairs in the Sloan Digital Sky Survey XV: Properties of Ionised Outflows

William Matzko, Shobita Satyapal, Sara L. Ellison +6

Powerful outflows are thought to play a critical role in galaxy evolution and black hole growth. We present the first large-scale systematic study of ionised outflows in paired gal…

astro-ph.GA2021★ 24 cited

Relics of Supermassive Black Hole Seeds: The Discovery of an Accreting Black Hole in an Optically Normal, Low Metallicity Dwarf Galaxy

Jenna M. Cann, Shobita Satyapal, Barry Rothberg +11

The detection and characterization of supermassive black holes (SMBHs) in local low mass galaxies is crucial to our understanding of the origins of SMBHs. This statement assumes th…

astro-ph.GA2020★ 65 cited

Bayesian AGN Decomposition Analysis for SDSS Spectra: A Correlation Analysis of [OIII] Outflow Kinematics with AGN and Host Galaxy Properties

Remington O. Sexton, William Matzko, Nicholas Darden +2

We present Bayesian AGN Decomposition Analysis for SDSS Spectra (BADASS), an open source spectral analysis code designed for automatic detailed deconvolution of AGN and host galaxy…