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List of works by Sarah Gallagher

A Chandra-Swift view of point sources in Hickson compact groups: high AGN fraction but a dearth of strong AGNs

scientific article published in January 2014

A comprehensive HST BVI catalogue of star clusters in five Hickson compact groups of galaxies

scientific article published in January 2015

A sensitive submillimetre survey of broad absorption-line quasars

scholarly article

A tale of two tails: exploring stellar populations in the tidal tails of NGC 3256

scholarly article

An X-ray survey of gravitationally lensed BALQSOs

scientific article published in January 2003

An exploratory Chandra survey of a well-defined sample of 35 large bright quasar survey broad absorption line quasars

scientific article published in January 2006

An investigation into the effects of luminosity on the mid-infrared spectral energy distributions of radio-quiet quasars

scientific article

C IV emission and the ultraviolet through X-ray spectral energy distribution of radio-quiet quasars

scientific article published in January 2011

CHANDRA detects relativistic broad absorption lines from APM 08279+5255

scientific article published in January 2002

Chandra observations of the Cloverleaf quasar H1413+117: a unique laboratory for microlensing studies of a LoBAL quasar

scientific article published in January 2004

Chandra spectroscopy and imaging of the Seyfert galaxy NGC 5506

Characterizing quasars in the mid-infrared: high signal-to-noise ratio spectral templates

scientific article

Constraining FeLoBAL outflows from absorption line variability

scientific article published in January 2015

Dramatic X-ray spectral variability of the broad absorption line quasar PG 2112+059

Dust in the Wind: Crystalline Silicates, Corundum, and Periclase in PG 2112+059

scientific article

Dusty tori of luminous type 1 quasars at z ~ 2

scientific article published in January 2011

Evidence for active galactic nucleus feedback in the broad absorption lines and reddening of Mrk 231

scientific article published in January 2014

Examining the role of environment in a comprehensive sample of compact groups

scientific article published in January 2012

Exploratory ASCA observations of broad absorption line quasi-stellar objects

scientific article published in January 1999

Exploring X-ray binary populations in compact group galaxies with Chandra

scientific article published in January 2016

From Globular Clusters to Tidal Dwarfs: Structure Formation in the Tidal Tails of Merging Galaxies

scientific article published in Astronomical Journal

Galaxy evolution in a complex environment: a multi-wavelength study of HCG 7

article published in 2010

Galaxy train wrecks

Gemini spectroscopic survey of young star clusters in merging/interacting galaxies. IV. Stephan's Quintet

Global properties of neutral hydrogen in compact groups

scientific article published in Astronomical Journal

Heavy X-ray absorption in soft x-ray-weak active galactic nuclei

scientific article published in January 2001

Herschel Spectroscopy of the Taffy Galaxies (UGC 12914/12915 = VV 254): Enhanced [C ii] Emission in the Collisionally Formed Bridge

scientific article published in the Astrophysical Journal

Hierarchical formation in action: characterizing accelerated galaxy evolution in compact groups using whole-sky WISE data

scientific article published in the Astrophysical Journal

Hierarchical structure formation and modes of star formation in Hickson compact group 31

scientific article published in January 2010

High Signal-to-Noise Ratio Mid-Infrared Quasar Spectral Templates

Hubble space telescope images of Stephan's quintet: star cluster formation in a compact group environment

scientific article published in January 2001

Insights into quasar UV spectra using unsupervised clustering analysis

scientific article published in January 2016

Intragroup and galaxy-linked diffuse X-ray emission in Hickson compact groups

scholarly article

Investigating the structure of the windy torus in quasars

scientific article published in January 2015

Mean spectral energy distributions and bolometric corrections for luminous quasars

scientific paper

Mid-infrared evidence for accelerated evolution in compact group galaxies

scientific article published in January 2010

Mining for dust in type 1 quasars

scientific article published in January 2015

Near‐Infrared Variability in the 2MASS Calibration Fields: A Search for Planetary Transit Candidates

article

Observational similarities and potential connections between luminous ultrasoft NLS1s and BALQSOs

scientific article published in January 2000

On R-W1 as a diagnostic to discover obscured active galactic nuclei in wide-area X-ray surveys

scientific article published in the Astrophysical Journal

Quasar broad absorption line variability on multiyear timescales

scientific article published in January 2008

Radio through X-ray spectral energy distributions of 38 broad absorption line quasars

scientific article published in January 2007

SDSS J075101.42+291419.1: a super-Eddington accreting quasar with extreme X-ray variability

scientific article published in January 2019

Seyfert galaxies and the hard X-ray background: artificial Chandra observations of z=0.3 active galaxies

scientific article published in January 2006

Shocks and star formation in Stephan's Quintet. I. Gemini spectroscopy of H{alpha}-bright knots

scientific article published in the Astrophysical Journal

Some like it hot: linking diffuse X-ray luminosity, baryonic mass, and star formation rate in compact groups of galaxies

scientific article published in January 2014

Spectral Energy Distributions and Multiwavelength Selection of Type 1 Quasars

article by Gordon T. Richards et al published October 2006 in The Astrophysical Journal Supplement Series

Star clusters as tracers of interactions in stephan's quintet (Hickson compact group 92)

article published in 2011

Star clusters in the tidal tails of interacting galaxies: cluster populations across a variety of tail environments

scientific article published in the Astrophysical Journal

Stellar populations in compact galaxy groups: a multi-wavelength study of HCGs 16, 22, and 42, their star clusters, and dwarf galaxies

scholarly article

Sweeping away the mysteries of dusty continuous winds in active galactic nuclei

scientific article published in January 2012

The Beginning of the End: [ITAL]Hubble Space Telescope[/ITAL] Images of Seyfert’s Sextet

scientific article published in Astronomical Journal

The Chandra, Hubble Space Telescope, and VLA view of the circumnuclear extended emission in the narrow emission line galaxy NGC 2110

scientific article published in January 2006

The Infrared Properties of Hickson Compact Groups

scientific article published in Astronomical Journal

The Occurrence of Compact Groups of Galaxies through Cosmic Time

scholarly article

The Physical Properties of Low-redshift FeLoBAL Quasars. III. The Location and Geometry of the Outflows

scientific article published in 2022

The X-ray spectrum and spectral energy distribution of FIRST J155633.8+351758: a LoBAL quasar with a probable polar outflow

scientific article published on 23 October 2013

The binary black hole model for Mrk 231 bites the dust

scientific article published in January 2016

The enrichment of galaxies by quasar outflows

scientific article published in January 2004

The evolution of quasar C IV and Si IV broad absorption lines over multi-year timescales

scientific article published in January 2010

The frequency of intrinsic X-ray weakness among broad absorption line quasars

The long-term X-ray variability of broad absorption line quasars

scientific article published in the Astrophysical Journal

The merger history, active galactic nucleus, and dwarf galaxies of Hickson compact group 59

scientific article published in January 2012

The mineralogy of newly formed dust in active galactic nuclei

scholarly article by Sundar Srinivasan et al published December 2017 in Planetary and Space Science

The next generation atlas of quasar spectral energy distributions from radio to X-rays

scientific article published in January 2011

The optical green valley versus mid-infrared canyon in compact groups

scientific article published in the Astrophysical Journal

The revealing dust: mid-infrared activity in Hickson compact group galaxy nuclei

scholarly article

The ultraviolet and infrared star formation rates of compact group galaxies: an expanded sample

scientific article published in January 2016

The z = 0.54 LoBAL quasar SDSS J085053.12+445122.5 II. The nature of partial covering in the broad-absorption-line outflow

The z = 0.54 LoBAL quasar SDSS J085053.12+445122.5. I. Spectral synthesis analysis reveals a massive outflow

scientific article published in January 2018

Tracing quasar narrow-line regions across redshift: a library of high-S/N optical spectra

scientific article published in January 2015

Tracing the outflow of a z = 0.334 FeLoBAL: new constraints from low-ionization absorbers in FBQS J1151+3822

Ultraviolet+Infrared star formation rates: Hickson compact groups with Swift and Spitzer

scientific article published in January 2010

Unification of luminous type 1 quasars through C IV emission

scholarly article

Variation in the scattering shroud surrounding Markarian 231

scientific article published in January 2005

X-Rays from the Highly Polarized Broad Absorption Line QSO CSO 755

scientific article published in the Astrophysical Journal

X-ray absorption and an X-ray jet in the radio-loud broad absorption-line quasar PG 1004+130

scientific article published in January 2006

X-ray insights into interpreting C IV blueshifts and optical/ultraviolet continua

scientific article published in January 2005

X-ray insights into the physics of Mini-BAL quasar outflows

scientific article published in January 2009

X-ray spectroscopy of quasi-stellar objects with broad ultraviolet absorption lines

scientific article published in January 2002

X-raying the Winds of Luminous Active Galaxies

scientific article published in 2009

X-raying the ultraluminous infrared starburst galaxy and broad absorption line QSO Markarian 231 with Chandra

scientific article published in January 2002

XMM-Newton and Chandra spectroscopy of the variable high-energy absorption of PG 1115+080: refined outflow constraints

scientific article published in January 2007

XMM-Newton reveals the quasar outflow in PG 1115+080

scholarly article