Publications (77)
Shocked POststarburst Galaxy Survey. IV. Outflows in Shocked Post-Starburst Galaxies Are Not Responsible For Quenching
Antoniu Fodor, Taylor Tomko, Mary Braun +13
Shocked POst-starburst Galaxies (SPOGs) exhibit both emission lines suggestive of shock-heated gas and post-starburst-like stellar absorption, resulting in a unique subset for gala…
The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA Derived Quantities, Data Visualization Tools and Stellar Library
D. S. Aguado, Romina Ahumada, Andres Almeida +230
Twenty years have passed since first light for the Sloan Digital Sky Survey (SDSS). Here, we release data taken by the fourth phase of SDSS (SDSS-IV) across its first three years o…
HI-MaNGA: HI Followup for the MaNGA Survey
Karen L. Masters, David V. Stark, Zachary J. Pace +16
We present the HI-MaNGA programme of HI follow-up for the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey. MaNGA, which is part of the Fourth phase of the Sloan…
ALMaQUEST -- IV. The ALMA-MaNGA QUEnching and STar formation (ALMaQUEST) Survey
Lihwai Lin, Sara L. Ellison, Hsi-An Pan +20
The ALMaQUEST (ALMA-MaNGA QUEnching and STar formation) survey is a program with spatially-resolved CO(1-0) measurements obtained with the Atacama Large Millimeter Array (AL…
The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra
Romina Ahumada, Carlos Allende Prieto, Andres Almeida +310
This paper documents the sixteenth data release (DR16) from the Sloan Digital Sky Surveys; the fourth and penultimate from the fourth phase (SDSS-IV). This is the first release of…
High-velocity outflows persist up to 1 Gyr after a starburst in recently-quenched galaxies at z > 1
Elizabeth Taylor, David Maltby, Omar Almaini +4
High-velocity outflows are ubiquitous in star-forming galaxies at cosmic noon, but are not as common in passive galaxies at the same epoch. Using optical spectra of galaxies select…
Astro2020: Unleashing the Potential of Dust Emission as a Window onto Galaxy Evolution
Christopher Clark, Julua Roman-Duval, Sarah Sadavoy +15
We present the severe, systematic uncertainties currently facing our understanding of dust emission, which stymie our ability to truly exploit dust as a tool for studying galaxy ev…
The role of mergers and rejuvenation in the buildup of the quiescent population at cosmic noon
Jimi Evan Harrold, Omar Almaini, Frazer R. Pearce +6
We investigate the quenching of galaxies using a mock observational lightcone generated from the Semi-Analytic Model (SAM) L-Galaxies, closely matched to observations from the UKID…
Unprecedented Constraints on Gas Flows at High Redshift Using Deep JWST/NIRSpec Observations from the LyC22, EXCELS, and AURORA Surveys
Emily Kehoe, Alice E. Shapley, Adam C. Carnall +25
We investigate how low-ionization gas flows in typical star-forming galaxies at depend on galaxy intrinsic properties and viewing angle. For this analysis we use JWST/NIRS…
Evidence for the Accretion of Gas in Star-Forming Galaxies: High N/O Abundances in Regions of Anomalously-Low Metallicity
Yuanze Luo, Timothy Heckman, Hsiang-Chih Hwang +11
While all models for the evolution of galaxies require the accretion of gas to sustain their growth via on-going star formation, it has proven difficult to directly detect this inf…
Massive post-starburst galaxies at z > 1 are compact proto-spheroids
Omar Almaini, Vivienne Wild, David T. Maltby +6
We investigate the relationship between the quenching of star formation and the structural transformation of massive galaxies, using a large sample of photometrically-selected post…
Signatures of inflowing gas in red geyser galaxies hosting radio-AGN
Namrata Roy, Kevin Bundy, Kate H. R. Rubin +10
We study cool neutral gas traced by NaD absorption in 140 local ( early-type ``red geyser'' galaxies. These galaxies show unique signatures in spatially-resolved strong…
The ALMaQUEST Survey XII: Dense Molecular Gas as traced by HCN and HCO in Green Valley Galaxies
Lihwai Lin, Hsi-An Pan, Sara L. Ellison +11
We present ALMA observations of two dense gas tracers, HCN(1-0) and HCO(1-0), for three galaxies in the green valley and two galaxies on the star-forming main sequence with c…
Pulling back the curtain on shocks and star-formation in NGC 1266 with Gemini-NIFS
Justin Atsushi Otter, Katherine Alatalo, Kate Rowlands +21
We present Gemini near-infrared integral field spectrograph (NIFS) K-band observations of the central 400 pc of NGC 1266, a nearby (D30 Mpc) post-starburst galaxy with a p…
COS2035: Extending COS/FUV Operations Through the 2030s
Marc Rafelski, David Sahnow, Christian I. Johnson +29
The paper outlines the COS2035 plan to keep the Cosmic Origins Spectrograph far‑ultraviolet detector functional into the 2030s by introducing new calibration methods, a flexible li…
Kinematic Stratification in Extremely Red Quasars Revealed by JWST
Jack M. M. Neustadt, Nadia L. Zakamska, Yu-Ching Chen +7
We analyze the spectra of the central nuclei of extremely red quasars (ERQs) observed as part of the JWST ERS Q3D program. We focus on the complex kinematic structures of the promi…
The JWST EXCELS survey: The ages and abundances of massive quiescent galaxies show that downsizing was already in place by
Ho-Hin Leung, Adam C. Carnall, Elizabeth Taylor +21
We present deep, medium-resolution m JWST/NIRSpec spectroscopy for 14 quiescent galaxies at with , obtained as part of…
Under Pressure: UV Emission Line Ratios as Barometers of AGN Feedback Mechanisms
Elise Fuller, Sean D. Johnson, Jonathan Stern +16
Feedback from active galactic nuclei (AGN) is widely acknowledged to regulate the growth of massive galaxies, though its driving mechanisms are debated. Prevailing theories suggest…
A Multiwavelength Evaluation of AGN in the Post-Starburst Phase
Yuanze Luo, Kate Rowlands, Katherine Alatalo +14
The quenching of star formation is a crucial phase in galaxy evolution. Although active galactic nuclei (AGN) feedback has been proposed as a key driver of this transition, the lac…
The infrared luminosity of retired and post-starburst galaxies: A cautionary tale for star formation rate measurements
Vivienne Wild, Natalia Vale Asari, Kate Rowlands +3
In galaxies with significant ongoing star formation there is an impressively tight correlation between total infrared luminosity (L) and H luminosity (L), when…
Evolution of the cold gas properties of simulated post-starburst galaxies
Timothy A. Davis, Freeke van de Voort, Kate Rowlands +3
Post-starburst galaxies are typically considered to be a transition population, en route to the red sequence after a recent quenching event. Despite this, recent observations have…
Herschel-ATLAS: The Surprising Diversity of Dust-Selected Galaxies in the Local Submillimetre Universe
Christopher J. R. Clark, Loretta Dunne, Haley L. Gomez +19
We present the properties of the first 250 m blind sample of nearby galaxies (15 < D < 46 Mpc) containing 42 objects from the Herschel Astrophysical Terahertz Large Area Survey…
The ALMaQUEST Survey: The molecular gas main sequence and the origin of the star forming main sequence
Lihwai Lin, Hsi-An Pan, Sara L. Ellison +9
The origin of the star forming main sequence ( i.e., the relation between star formation rate and stellar mass, globally or on kpc-scales; hereafter SFMS) remains a hotly debated t…
Forming Stars in a Dual AGN Host: Molecular and Ionized Gas in the Nearby, Luminous Infrared Merger, Mrk 266
Damien Beaulieu, Andreea Petric, Carmelle Robert +5
We present star formation rates based on cold and ionized gas measurements of Mrk 266 (NGC 5256), a system composed of two colliding gas-rich galaxies, each hosting an active galac…
When Jets Don't Quench: Near-Infrared H in Star Forming Low-Excitation Radio Galaxies
Swetha Sankar, Andreea O. Petric, Debora Pelliccia +11
We present new Gemini/GNIRS near-infrared spectroscopic observations of eight low-redshift () blue low-excitation radio galaxies (BLERGs), a rare subset ( of l…
Herschel-ATLAS and ALMA: HATLAS J142935.3-002836, a lensed major merger at redshift 1.027
Hugo Messias, Simon Dye, Neil Nagar +29
[Abridged] Aims: This work focuses on one lensed system, HATLAS J142935.3-002836 (H1429-0028), selected in the Herschel-ATLAS field. Gathering a rich, multi-wavelength dataset, we…
High-S/N Quasar Observations with HST/COS: Deep Fields for Spectroscopy
Andrew J. Fox, Jerry Kriss, Philipp Richter +49
Hubble is still in prime observing condition for making transformative discoveries in UV astronomy. In this white paper we describe the science case for a deep (S/N>30) UV spectros…
SDSS-IV MaNGA: how do star-formation histories affect gas-phase abundances?
Nicholas Fraser Boardman, Vivienne Wild, Kate Rowlands +2
Gas-phase abundances in galaxies are the products of those galaxies' evolutionary histories. The star-formation history (SFH) of a region might therefore be expected to influence t…
Post-Starburst Properties of Post-Merger Galaxies
Wenhao Li, Preethi Nair, Kate Rowlands +10
Post-starburst galaxies (PSBs) are transition galaxies showing evidence of recent rapid star formation quenching. To understand the role of galaxy mergers in triggering quenching,…
GAMA/G10-COSMOS/3D-HST: The 0<z<5 cosmic star-formation history, stellar- and dust-mass densities
Simon P. Driver, Stephen K. Andrews, Elisabete da Cunha +30
We use the energy-balance code MAGPHYS to determine stellar and dust masses, and dust corrected star-formation rates for over 200,000 GAMA galaxies, 170,000 G10-COSMOS galaxies and…
The ALMaQUEST Survey XVII: Unveiling Multiple Quenching Pathways in Green Valley Galaxies via Molecular Gas and Quenching Timescale Analyses
Lihwai Lin, Po-Feng Wu, Mallory D. Thorp +6
Statistically, green valley (GV) galaxies exhibit lower molecular gas fractions () and reduced star formation efficiency (SFE) compared to star-forming galaxies. However,…
Molecular and atomic gas in dust lane early-type galaxies - I: Low star-formation efficiencies in minor merger remnants
Timothy A. Davis, Kate Rowlands, James R. Allison +12
In this work we present IRAM-30m telescope observations of a sample of bulge-dominated galaxies with large dust lanes, which have had a recent minor merger. We find these galaxies…
MAGPHYS: a publicly available tool to interpret observed galaxy SEDs
Elisabete da Cunha, Stephane Charlot, Loretta Dunne +2
We present a simple, physically-motivated model to interpret consistently the emission from galaxies at ultraviolet, optical and infrared wavelengths. We combine this model with a…
From starburst to quiescence: post-starburst galaxies and their large-scale clustering over cosmic time
Aaron Wilkinson, Omar Almaini, Vivienne Wild +4
We present the first study of the large-scale clustering of post-starburst (PSB) galaxies in the high redshift Universe (). We select PSB galaxies photometric…
Resolved and Integrated Stellar Masses in the SDSS-IV/MaNGA Survey, Paper II: Applications of PCA-based stellar mass estimates
Zachary J. Pace, Christy Tremonti, Yanmei Chen +9
A galaxy's stellar mass is one of its most fundamental properties, but it remains challenging to measure reliably. With the advent of very large optical spectroscopic surveys, effi…
Understanding the circumgalactic medium is critical for understanding galaxy evolution
Molly S. Peeples, Peter Behroozi, Rongmon Bordoloi +69
Galaxies evolve under the influence of gas flows between their interstellar medium and their surrounding gaseous halos known as the circumgalactic medium (CGM). The CGM is a major…
A Multiwavelength view of IC 860: What Is in Action inside Quenching Galaxies
Yuanze Luo, Kate Rowlands, Katherine Alatalo +15
We present a multiwavelength study of IC 860, a nearby post-starburst galaxy at the early stage of transitioning from blue and star-forming to red and quiescent. Optical images rev…
Low redshift post-starburst galaxies host abundant HI reservoirs
Sara L. Ellison, Qifeng Huang, Dong Yang +8
Studying the gas content of post-starburst (PSB) galaxies can provide valuable clues regarding the process of fast quenching. Although previous works have studied the molecular gas…
The Morphology-Density relationship in 1<z<2 clusters
Elizaveta Sazonova, Katherine Alatalo, Jennifer Lotz +8
The morphology-density relationship states that dense cosmic environments such as galaxy clusters have an overabundance of quiescent elliptical galaxies, but it is unclear at which…
The structure of post-starburst galaxies at : evidence for two distinct quenching routes at different epochs
David T. Maltby, Omar Almaini, Vivienne Wild +5
We present an analysis of the structure of post-starburst (PSB) galaxies in the redshift range , using a photometrically-selected sample identified in the Ultra Deep S…
SDSS-IV MaNGA: Inside-out vs. outside-in quenching in different local environments
Lihwai Lin, Bau-Ching Hsieh, Hsi-An Pan +13
The large Integral Field Spectroscopy (IFS) surveys have allowed the classification of ionizing sources of emission lines on sub-kpc scales. In this work, we define two non-paramet…
Anomalously low metallicity regions in MaNGA star-forming galaxies: Accretion Caught in Action?
Hsiang-Chih Hwang, Jorge K. Barrera-Ballesteros, Timothy M. Heckman +14
We use data from 1222 late-type star-forming galaxies in the SDSS IV MaNGA survey to identify regions in which the gas-phase metallicity is anomalously-low compared to expectations…
Post-Starburst Galaxies in SDSS-IV MaNGA
Yan-Mei Chen, Yong Shi, Vivienne Wild +6
Post-starburst galaxies, identified by their unusually strong Balmer absorption lines and weaker than average emission lines, have traditionally been selected based on their centra…
After The Fall: Resolving the Molecular Gas in Post-Starburst Galaxies
Adam Smercina, John-David T. Smith, K. Decker French +8
Post-starburst (PSB), or 'E+A', galaxies represent a rapid transitional phase between major, gas-rich mergers and gas-poor, quiescent early-type galaxies. Surprisingly, many PSBs h…
The Hubble Advanced Spectral Product (HASP) Program
John Debes, Ravi Sankrit, Travis Fischer +39
The Hubble Advanced Spectral Products (HASP) program is designed to robustly coadd Cosmic Origins Spectrograph (COS) and Space Telescope Imaging Spectrograph (STIS) spectra within…
The State of the Molecular Gas in Post-Starburst Galaxies
K. Decker French, Adam Smercina, Kate Rowlands +7
The molecular gas in galaxies traces both the fuel for star formation and the processes that can enhance or suppress star formation. Observations of the molecular gas state can thu…
Modeling Star Formation Histories of Changing-Look AGN Host Galaxies with Prospector
Margaret E. Verrico, K. Decker French, Katherine Suess +7
Changing-look active galactic nuclei, or CL-AGN, are AGN which appear to transition between Seyfert Type 1 and 2 over periods of months to years. Several mechanisms to trigger thes…
An ALMA view of star formation efficiency suppression in early-type galaxies after gas-rich minor mergers
Freeke van de Voort, Timothy A. Davis, Satoki Matsushita +6
Gas-rich minor mergers contribute significantly to the gas reservoir of early-type galaxies (ETGs) at low redshift, yet the star formation efficiency (SFE; the star formation rate…
Are Active Galactic Nuclei in Post-Starburst Galaxies Driving the Change or Along for the Ride?
Lauranne Lanz, Sofia Stepanoff, Ryan C. Hickox +10
We present an analysis of 10 ks snapshot Chandra observations of 12 shocked post-starburst galaxies, which provide a window into the unresolved question of active galactic nuclei (…
Clumpy, dense gas in the outflow of NGC 1266
Justin Atsushi Otter, Katherine Alatalo, Kate Rowlands +23
Outflows are one of the most spectacular mechanisms through which active galactic nuclei (AGN) impact their host galaxy, though the role of AGN-driven outflows in global star forma…
Are all post-starbursts mergers? HST reveals hidden disturbances in the majority of PSBs
Elizaveta Sazonova, Katherine Alatalo, Kate Rowlands +12
How do galaxies transform from blue, star-forming spirals to red, quiescent early-type galaxies? To answer this question, we analyzed a set of 26 gas-rich, shocked post-starburst g…
The multiwavelength structure of post-starburst galaxies at 0.5 < z < 3 with JWST PRIMER: compact morphologies and residual disturbances
David T. Maltby, Omar Almaini, Vivienne Wild +9
We investigate the multi-wavelength structure of recently quenched post-starburst (PSB) galaxies at 0.5 < z < 3, using photometrically selected samples from the Ultra Deep Survey (…
The JWST EXCELS survey: Insights into the nature of quenching at cosmic noon
Maya Skarbinski, Kate Rowlands, Katherine Alatalo +19
We study 24 massive quiescent galaxies with at with JWST/NIRSpec medium-resolution observations from the Early eXtragalactic C…
Galaxy evolution in the post-merger regime. II -- Post-merger quenching peaks within 500 Myr of coalescence
Sara L. Ellison, Leonardo Ferreira, Vivienne Wild +3
(Abridged) Mechanisms for quenching star formation in galaxies remain hotly debated, with galaxy mergers an oft-proposed pathway. In Ellison et al. (2022) we tested this scenario b…
PRIMER & JADES reveal an abundance of massive quiescent galaxies at 2 < z < 5
Struan D. Stevenson, Adam C. Carnall, Ho-Hin Leung +22
We select a mass-complete sample of 225 quiescent galaxies at with from PRIMER and JADES photometry spanning a total area of sq.…
The evolution of post-starburst galaxies from z=2 to z= 0.5
Vivienne Wild, Omar Almaini, Jim Dunlop +5
We present the evolution in the number density and stellar mass functions of photometrically selected post-starburst galaxies in the UKIDSS Deep Survey (UDS), with redshifts of 0.5…
Resolved Molecular Gas Observations of MaNGA Post-starbursts Reveal a Tumultuous Past
Justin Atsushi Otter, Kate Rowlands, Katherine Alatalo +24
Post-starburst galaxies (PSBs) have recently and rapidly quenched their star-formation, thus they are an important way to understand how galaxies transition from star-forming late-…
Characterizing the Molecular Gas in Infrared Bright Galaxies with CARMA
Katherine Alatalo, Andreea O. Petric, Lauranne Lanz +20
We present the CO(1-0) maps of 28 infrared-bright galaxies from the Great Observatories All-Sky Luminous Infrared Galaxy Survey (GOALS) taken with the Combined Array for Research i…
The New Galaxy Evolution Paradigm Revealed by the Herschel Surveys
Stephen Eales, Dan Smith, Nathan Bourne +22
The Herschel Space Observatory has revealed a very different galaxyscape from that shown by optical surveys which presents a challenge for galaxy-evolution models. The Herschel sur…
Marvin: A Toolkit for Streamlined Access and Visualization of the SDSS-IV MaNGA Data Set
Brian Cherinka, Brett H. Andrews, José Sánchez-Gallego +11
The Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, one of three core programs of the fourth-generation Sloan Digital Sky Survey (SDSS-IV), is producing a massi…
The star formation histories of z~1 post-starburst galaxies
Vivienne Wild, Laith Taj Aldeen, Adam Carnall +11
We present the star formation histories of 39 galaxies with high quality rest-frame optical spectra at 0.5<z<1.3 selected to have strong Balmer absorption lines and/or Balmer break…
JINGLE, a JCMT legacy survey of dust and gas for galaxy evolution studies: I. Survey overview and first results
Amelie Saintonge, Christine D. Wilson, Ting Xiao +88
JINGLE is a new JCMT legacy survey designed to systematically study the cold interstellar medium of galaxies in the local Universe. As part of the survey we perform 850um continuum…
The origins of post-starburst galaxies at z<0.05
Milena M. Pawlik, Layth Taj Aldeen, Vivienne Wild +8
Post-starburst galaxies can be identified via the presence of prominent Hydrogen Balmer absorption lines in their spectra. We present a comprehensive study of the origin of strong…
Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV --- far-IR) and the low-z energy budget
Simon P. Driver, Angus H. Wright, Stephen K. Andrews +60
We present the GAMA Panchromatic Data Release (PDR) constituting over 230deg of imaging with photometry in 21 bands extending from the far-UV to the far-IR. These data compleme…
The identification of post-starburst galaxies at z~1 using multiwavelength photometry: a spectroscopic verification
David T. Maltby, Omar Almaini, Vivienne Wild +7
Despite decades of study, we still do not fully understand why some massive galaxies abruptly switch off their star formation in the early Universe, and what causes their rapid tra…
No evidence for excess AGN activity in recently quenched massive galaxies at cosmic noon
Omar Almaini, Vivienne Wild, David Maltby +8
We present an analysis of AGN activity within recently quenched massive galaxies at cosmic noon (), using deep Chandra X-ray observations of the Ultra-Deep Survey (UDS) fi…
Compact star-forming galaxies preferentially quenched to become PSBs in clusters
Miguel Socolovsky, David T. Maltby, Nina A. Hatch +5
We analyse the structure of galaxies with high specific star formation rate (SSFR) in cluster and field environments in the redshift range . Recent studies have shown th…
The redshift evolution of major merger triggering of luminous AGN: a slight enhancement at z2
Tim Hewlett, Carolin Villforth, Vivienne Wild +3
Active galactic nuclei (AGN), particularly the most luminous AGN, are commonly assumed to be triggered through major mergers, however observational evidence for this scenario is mi…
The JWST EXCELS survey: Outflows in 1.5 < z < 5 quiescent and recently quenched galaxies are likely relics from episodic AGN activity
Elizabeth Taylor, Adam C. Carnall, David Maltby +24
We investigate the presence and origin of neutral gas outflows and inflows in 13 post-starburst (PSB) and quiescent galaxies at redshifts 1.8 z 4.6, using JWST NIRSpe…
RMS asymmetry: a robust metric of galaxy shapes in images with varied depth and resolution
Elizaveta Sazonova, Cameron R Morgan, Michael Balogh +13
Structural disturbances, such as galaxy mergers or instabilities, are key candidates for driving galaxy evolution, so it is important to detect and quantify galaxies hosting these…
High-velocity outflows in massive post-starburst galaxies at z > 1
David T. Maltby, Omar Almaini, Ross J. McLure +21
We investigate the prevalence of galactic-scale outflows in post-starburst (PSB) galaxies at high redshift (), using the deep optical spectra available in the UKIDSS U…
Radio Variability in Recently-Quenched Galaxies: The Impact of TDE or AGN Driven Outflows
K. Decker French, Kristina Nyland, Pallavi Patil +7
Outflows and jets launched from the nuclei of galaxies emit radio synchrotron emission that can be used to study the impact of accretion energy on the host galaxy. The decades-long…
Resolved and Integrated Stellar Masses in the SDSS-IV/MaNGA Survey, Paper I: PCA spectral fitting & stellar mass-to-light ratio estimates
Zachary J. Pace, Christy Tremonti, Yanmei Chen +9
We present a method of fitting optical spectra of galaxies using a basis set of six vectors obtained from principal component analysis (PCA) of a library of synthetic spectra of 40…
No hidden monsters: Probing recently-quenched galaxies for obscured AGN with JWST-PRIMER MIRI and NIRCam
Guillaume Hewitt, Omar Almaini, David Maltby +13
We investigate the role of obscured active galactic nuclei (AGN) in recently quenched post-starburst galaxies (PSBs), using a sample of 65 photometrically selected PSBs in the PRIM…
EMBERS I: Low redshift post-starburst galaxies are frequently depleted in molecular gas relative to star forming progenitors
Ben F. Rasmussen, MarÃa Jesús Jiménez-Donaire, Sara L. Ellison +10
The cold gas content of post-starburst galaxies (PSBs) provides important insight into the mechanisms that drive rapid quenching, but a multiphase assessment of both the atomic and…
Overview of the New Hubble Spectroscopic Legacy Archive
Ravi Sankrit, John Debes, Matthew Burger +34
The new Hubble Spectroscopic Legacy Archive (HSLA) provides coadded spectra of individual targets that have been observed with the Cosmic Origins Spectrograph (COS) and the Space T…
Tracing Radio AGN-Driven Quenching in Post-Starburst Galaxies at Cosmic Noon
Pallavi Patil, Kate Rowlands, Katherine Alatalo +14
We present a radio continuum study of photometrically selected cosmic noon (0.5<z<3) post-starburst galaxies (PSBs) in the UKIDSS Deep Survey (UDS) field to assess if radio-mode Ac…