AM

A. W. McConnachie

0000-0003-4666-6564

astro-ph.GAastro-ph.COastro-ph.IMastro-phastro-ph.SRastro-ph.EPhep-ph

On Valency

published · living versions

Euclid Data Release 1 (DR1). Colouring Euclid with external ground-based imaging data

with Euclid Collaboration, P. Corcho-Caballero, E. Balbinot, J. T. A. de Jong +355

1 version

W_khazjnk6v1 · current

UNIONS-3500 Weak Lensing: III. 2D Cosmological Constraints in Configuration Space

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UNIONS-3500 Weak Lensing: II. B-mode validation for cosmic shear

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UNIONS-3500 Weak Lensing: IV. 2D cosmological constraints in harmonic space

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The observed properties of dwarf galaxies in and around the Local Group

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Preprints & journals

248 papers in the corpus · 2003–2026

A near-IR survey of luminous asymptotic giant branch stars in the satellites and stellar halo of M31

Jess M. Howell, Annette M. N. Ferguson, Olivia C. Jones et al.

0 citations

2609.20810v12026arXiv

Characterising the Globular Cluster Systems of Three Local Group Dwarf Galaxies: NGC6822, NGC147 and NGC185

Gracie McGill, Annette M. N. Ferguson, Dougal Mackey et al.

0 citations

2608.28434v22026arXiv

Exploring the trade-space of distributed aperture telescopes for faint-object spectroscopy

Theodore A. Grosson, Deborah M. Lokhorst, Alan W. McConnachie

0 citations

2608.28857v12026Proc. SPIE (2026) 1414734

The solitary star cluster of the Andromeda XXV dwarf spheroidal

Chiara Crociati, Annette M. N. Ferguson, Gracie McGill et al.

0 citations

2608.26959v22026Mon Not R Astron Soc (2026)

Characterizing the disruption of Böotes III: a missing link in the Galactic halo?

Jaclyn Jensen, Daniel A. Boyea, Alan W. McConnachie et al.

0 citations

2607.28594v12026arXiv

The Next Generation Virgo Cluster Survey (NGVS). II. A Catalog of Galaxies in the Virgo Cluster

Laura Ferrarese, Patrick Cote, Lauren A. MacArthur et al.

0 citations

2607.18414v12026arXiv

Assessing the large-scale angular clustering of UNIONS Lyman Break Galaxies via cross-correlations

Constantin Payerne, Christophe Yeche, William d'Assignies Doumerg et al.

0 citations

2607.09943v32026arXiv

Revisiting the 'Lensing is Low' Problem with UNIONS

Martine C. T. Campbell, Jack Elvin-Poole, Michael J. Hudson et al.

0 citations

2606.23651v12026arXiv

It's Not Just Star Formation: A trend of low dark matter densities in the Andromeda dwarf galaxy system

Connor S. Pickett, Michelle L. M. Collins, Justin I. Read et al.

0 citations

2606.00221v12026arXiv

UNIONS-3500 Weak Lensing: IV. 2D cosmological constraints in harmonic space

S. Guerrini, L. W. K. Goh, F. Hervas-Peters et al.

0 citations

2605.13543v32026arXiv

UNIONS-3500 Weak Lensing: III. 2D Cosmological Constraints in Configuration Space

L. W. K. Goh, S. Guerrini, C. Daley et al.

0 citations

2605.13547v12026Mon Not R Astron Soc (2026)

UNIONS-3500 Weak Lensing: I. A Galaxy Shape Catalogue in the Northern Sky

F. Hervas-Peters, S. Guerrini, M. Kilbinger et al.

0 citations

2605.13549v12026arXiv

UNIONS-3500 Weak Lensing: II. B-mode validation for cosmic shear

C. Daley, A. Guinot, S. Guerrini et al.

0 citations

2604.03227v22026arXiv

The primordial nature of the C-19 stellar stream

Kim A. Venn, Zhen Yuan, Nicolas F. Martin et al.

0 citations

2603.02445v12026arXiv

Bright Region Reset: an on-detector strategy for minimizing the impacts of atmospheric emission lines on spectral observations

Theodore A. Grosson, Edward L. Chapin, Tim Hardy et al.

0 citations

2512.03151v12025arXiv

Accreted Globular Clusters and Horizontal Branch Morphology in the Outer Halo of M31

Gracie McGill, Annette M. N. Ferguson, Dougal Mackey et al.

2 citations

2506.21267v12025arXiv

Galaxies OBserved as Low-luminosity Identified Nebulae (GOBLIN): a catalog of 43,000 high-probability dwarf galaxy candidates in the UNIONS survey

Nick Heesters, David Chemaly, Oliver Muller et al.

3 citations

2505.18307v12025A&A 699, A232 (2025)

Mass Modeling the Andromeda Dwarf Galaxies: Andromeda VI and Andromeda XXIII

Connor S. Pickett, Michelle L.M. Collins, R. Michael Rich et al.

6 citations

2505.04475v32025arXiv

Low Surface Brightness structures from annotated deep CFHT images: effects of the host galaxy's properties and environment

Elisabeth Sola, Pierre-Alain Duc, Mathias Urbano et al.

10 citations

2503.18480v22025Mon Not R Astron Soc (2025) 3015-3042

UNIONS: The Ultraviolet Near-Infrared Optical Northern Survey

Stephen Gwyn, Alan W. McConnachie, Jean-Charles Cuillandre et al.

24 citations

2503.13783v12025arXiv

GHOST commissioning science results -- IV: Chemodynamical analyses of Milky Way satellites Sagittarius II and Aquarius II

Daria Zaremba, Kim Venn, Christian R. Hayes et al.

7 citations

2503.05927v32025arXiv

A Pristine-UNIONS view on the Galaxy: Kinematics of the distant spur feature of the Sagittarius stream traced by Blue Horizontal Branch stars

M. Bayer, E. Starkenburg, G. F. Thomas et al.

7 citations

2502.17319v12025A&A 701, A117 (2025)

No Evidence of Asymmetrically Enhanced Star Formation in Infalling Galaxies in UNIONS

Lauren M. Foster, Laura C. Parker, Stephen Gwyn et al.

4 citations

2502.13123v12025arXiv

Deep in the Fields of the Andromeda Halo: Discovery of the Pegasus VII dwarf galaxy in UNIONS

Simon E. T. Smith, Alan W. McConnachie, Stephen Gwyn et al.

5 citations

2502.09792v12025arXiv

Unions with UNIONS: Using galaxy-galaxy lensing to probe galaxy mergers

Isaac Cheng, Jack Elvin-Poole, Michael J. Hudson et al.

1 citation

2502.00584v22025arXiv

The Hubble Space Telescope Survey of M31 Satellite Galaxies IV. Survey Overview and Lifetime Star Formation Histories

A. Savino, D. R. Weisz, A. E. Dolphin et al.

21 citations

2501.13152v12025arXiv

Cosmology from UNIONS weak lensing profiles of galaxy clusters

Charlie T. Mpetha, James E. Taylor, Yuba Amoura et al.

5 citations

2501.09147v32025Mon Not R Astron Soc (2025) 1393-1409

Galaxy-Point Spread Function correlations as a probe of weak-lensing systematics with UNIONS data

Sacha Guerrini, Martin Kilbinger, Hubert Leterme et al.

1 citation

2412.14666v12024A&A 700, A215 (2025)

Gemini High-resolution Optical SpecTrograph (GHOST) at Gemini-South: Instrument performance and integration, first science, and next steps

V. M. Kalari, R. J. Diaz, G. Robertson et al.

20 citations

2409.05855v22024arXiv

Galaxy Mergers in UNIONS -- I: A Simulation-driven Hybrid Deep Learning Ensemble for Pure Galaxy Merger Classification

Leonardo Ferreira, Robert W. Bickley, Sara L. Ellison et al.

28 citations

2407.18396v12024arXiv

High-Resolution Dayside Spectroscopy of WASP-189b: Detection of Iron during the GHOST/Gemini South System Verification Run

Emily K. Deibert, Adam B. Langeveld, Mitchell E. Young et al.

8 citations

2407.11281v12024arXiv

Euclid. I. Overview of the Euclid mission

Y. Mellier, Abdurro'uf, J. A. Acevedo Barroso et al.

622 citations

2405.13491v22024A&A 697, A1 (2025)

Euclid: Early Release Observations -- Programme overview and pipeline for compact- and diffuse-emission photometry

J.-C. Cuillandre, E. Bertin, M. Bolzonella et al.

47 citations

2405.13496v12024A&A 697, A6 (2025)

Euclid: Early Release Observations -- Deep anatomy of nearby galaxies

L. K. Hunt, F. Annibali, J.-C. Cuillandre et al.

30 citations

2405.13499v12024A&A 697, A9 (2025)

Point-Spread Function errors for weak lensing - density cross-correlations. Application to UNIONS

Ziwen Zhang, Martin Kilbinger, Fabian Hervas Peters et al.

4 citations

2405.03434v12024A&A 691, A75 (2024)

GHOST Commissioning Science Results III: Characterizing an iron-poor damped Lyman $\alpha$ system

Trystyn A. M. Berg, Christian R. Hayes, Stefano Cristiani et al.

2 citations

2404.10058v32024arXiv

The Science Performance of the Gemini High Resolution Optical Spectrograph

Alan W. McConnachie, Christian R. Hayes, J. Gordon Robertson et al.

22 citations

2401.07452v12024arXiv

Ursa Major III/UNIONS 1: the darkest galaxy ever discovered?

Raphael Errani, Julio F. Navarro, Simon E. T. Smith et al.

28 citations

2311.10134v22023ApJ 965 (2024) 20

The discovery of the faintest known Milky Way satellite using UNIONS

Simon E. T. Smith, William Cerny, Christian R. Hayes et al.

47 citations

2311.10147v12023arXiv

SPLUS J142445.34-254247.1: An R-Process Enhanced, Actinide-Boost, Extremely Metal-Poor star observed with GHOST

Vinicius M. Placco, Felipe Almeida-Fernandes, Erika M. Holmbeck et al.

37 citations

2310.17024v12023arXiv

Probing the early Milky Way with GHOST spectra of an extremely metal-poor star in the Galactic disk

Anya Dovgal, Kim A. Venn, Federico Sestito et al.

17 citations

2310.03075v22023MNRAS 527 (2024) 7810-7824

Anisotropies in the spatial distribution and kinematics of dwarf galaxies in the Local Group and beyond

Isabel M.E. Santos-Santos, Julio F. Navarro, Alan McConnachie

7 citations

2310.02464v12023arXiv

GHOST Commissioning Science Results II: a very metal-poor star witnessing the early Galactic assembly

Federico Sestito, Christian R. Hayes, Kim A. Venn et al.

15 citations

2308.07366v22023arXiv

Small-scale stellar haloes: detecting low surface brightness features in the outskirts of Milky Way dwarf satellites

Jaclyn Jensen, Christian R. Hayes, Federico Sestito et al.

28 citations

2308.07394v22023arXiv

The Pristine survey -- XXIII. Data Release 1 and an all-sky metallicity catalogue based on Gaia DR3 BP/RP spectro-photometry

Nicolas F. Martin, Else Starkenburg, Zhen Yuan et al.

53 citations

2308.01344v22023A&A 692, A115 (2024)

Binary star population of the Sculptor dwarf galaxy

Jos'e Mar'ia Arroyo-Polonio, Giuseppina Battaglia, Guillaume F. Thomas et al.

13 citations

2307.10375v12023arXiv

GHOST Commissioning Science Results: Identifying a new chemically peculiar star in Reticulum II

Christian R. Hayes, Kim A. Venn, Fletcher Waller et al.

27 citations

2306.04804v12023arXiv

The Hubble Space Telescope Survey of M31 Satellite Galaxies II. The Star Formation Histories of Ultra-Faint Dwarf Galaxies

A. Savino, D. R. Weisz, E. D. Skillman et al.

36 citations

2305.13360v22023arXiv

The Andromeda Galaxy's Last Major Merger: Constraints from the survey of Planetary Nebulae

Souradeep Bhattacharya, Magda Arnaboldi, Ortwin Gerhard et al.

1 citation

2305.02761v22023Proceedings of the International Astronomical Union , Volume 18 , Symposium S377: Early Disk-Galaxy Formation from JWST to the Milky Way , December 2022 , pp. 123 - 126

Stars on the edge: Galactic tides and the outskirts of the Sculptor dwarf spheroidal

Federico Sestito, Joel Roediger, Julio F. Navarro et al.

17 citations

2304.13048v22023arXiv

Career total: at least 521 works. 248 are in this corpus.Showing the 50 most recent.

Profile built from the corpus for this byline.

521

works

21.3K

citations

74

h-index

Corpus papers per year

Corpus papers per year, 2003 to 2026. Busiest year 2018, 20 papers.
Year	Papers
2003	1
2004	6
2005	3
2006	7
2007	8
2008	8
2009	7
2010	6
2011	11
2012	10
2013	15
2014	14
2015	6
2016	15
2017	9
2018	20
2019	17
2020	8
2021	8
2022	16
2023	16
2024	10
2025	13
2026	14

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