DA
D. M. Alexander
astro-ph.GAastro-ph.COastro-ph.HEastro-phastro-ph.IMastro-ph.SRastro-ph.EPDisastersAttitudeDenial, Psychological
On Valency
published · living versionsW_bjhef8cv·v1 · currentpublished
Using Active Learning to Improve Quasar Identification for the DESI Spectra Processing Pipeline
with Dylan Green, David Kirkby, J. Aguilar, S. Ahlen +49
1 version
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Preprints & journals
332 papers in the corpus · 1912–2026A Decade-Scale Ionization Echo of Black-Hole Accretion in Galactic Nuclei2610.10373v1 · Wei-Jian Guo, Shuo Zhai, Chen Hu et al.2026 · 0 citationsarXiv
Host Galaxy UV Emission and Dust Reddening in Little Red Dots2609.13444v2 · Emmanuel Durodola, Ryan C. Hickox, Jonathan Cohn et al.2026 · 0 citationsarXiv
Fundamental differences in the X-ray accretion properties of low and high-excitation radio galaxies2609.04130v2 · R. Kondapally, T. Holc, J. Aird et al.2026 · 0 citationsarXiv
Radio-dust connection in quasars driven by powerful ionised outflows2608.28775v2 · V. A. Fawcett, C. M. Harrison, T. Costa et al.2026 · 0 citationsarXiv
AGN radiative feedback as the main regulator of [O III] outflow activity and obscuration in X-ray AGN2607.00105v2 · Carolina Andonie, Andrea Merloni, Catarina Aydar et al.2026 · 0 citationsarXiv
A Population of Little Red Dot-like Quasars in SDSS2606.26098v2 · Quinn O. Casey, Ryan C. Hickox, Nikko J. Cleri et al.2026 · 0 citationsarXiv
A New Record Census of Dwarf AGN and a Bimodal - Scaling Relation with DESI DR12606.02699v2 · Ragadeepika Pucha, S. Juneau, M. Mezcua et al.2026 · 0 citationsarXiv
The Lumina Project: The Demographics of Active Galactic Nuclei from Quasars to Little Red Dots at 2605.24112v1 · Xuejian Shen, Oliver Zier, Aaron Smith et al.2026 · 1 citationarXiv
A striking excess of red quasars with steep radio spectral slopes: a dusty blow-out phase revealed through AGN-driven shocks?2603.24739v1 · Ciera L. Sargent, David M. Alexander, Claire L. Greenwell et al.2026 · 0 citationsarXiv
The Quasar Feedback Survey: Revealing the importance of sensitive radio imaging for AGN identification deeper into the radio-quiet regime2601.09218v1 · Ann Njeri, Chris M. Harrison, Preeti Kharb et al.2026 · 1 citationarXiv
Euclid Quick Data Release (Q1): Euclid spectroscopy of quasars. 1. Identification and redshift determination of 3500 bright quasars2512.08803v2 · Y. Fu, R. Bouwens, K. I. Caputi et al.2025 · 0 citationsA&A, 711, A285 (2026)
The Compton-thick AGN Population and the Distribution of Low-mass AGN in our Cosmic Backyard2506.08527v1 · A. Annuar, D. M. Alexander, P. Gandhi et al.2025 · 0 citationsarXiv
Using Active Learning to Improve Quasar Identification for the DESI Spectra Processing Pipeline2505.01596v2 · Dylan Green, David Kirkby, J. Aguilar et al.2025 · 7 citationsarXivon Valency
Data Release 1 of the Dark Energy Spectroscopic Instrument2503.14745v2 · M. Abdul Karim, A. G. Adame, D. Aguado et al.2025 · 155 citationsarXivon Valency
Connection between steep radio spectral slopes and dust extinction in QSOs: evidence for outflow-driven shocks in dusty QSO2501.10501v1 · V. A. Fawcett, C. M. Harrison, D. M. Alexander et al.2025 · 0 citationsarXiv
DESI 2024 II: Sample Definitions, Characteristics, and Two-point Clustering Statistics2411.12020v1 · A. G. Adame, J. Aguilar, S. Ahlen et al.2024 · 89 citationsJCAP 07 (2025) 017on Valency
DESI 2024 V: Full-Shape Galaxy Clustering from Galaxies and Quasars2411.12021v5 · A. G. Adame, J. Aguilar, S. Ahlen et al.2024 · 107 citationsJCAP, Volume 2025, Issue 09, id.008
DESI 2024 VII: Cosmological Constraints from the Full-Shape Modeling of Clustering Measurements2411.12022v2 · A. G. Adame, J. Aguilar, S. Ahlen et al.2024 · 212 citationsJCAP 07 (2025) 028on Valency
Tripling the Census of Dwarf AGN Candidates Using DESI Early Data2411.00091v2 · Ragadeepika Pucha, S. Juneau, Arjun Dey et al.2024 · 36 citationsarXivon Valency
The VST ATLAS Quasar Survey II: Halo mass profiles of galaxies, LRGs and galaxy clusters via quasar and CMB lensing2410.23341v1 · Alice M. Eltvedt, T. Shanks, 1 N. Metcalfe et al.2024 · 2 citationsarXiv
The VST ATLAS Quasar Survey III: Halo mass function via quasar clustering and quasar-CMB lensing cross-clustering2410.23372v1 · Alice M. Eltvedt, T. Shanks, N. Metcalfe et al.2024 · 3 citationsarXiv
KASHz+SUPER: Evidence of cold molecular gas depletion in AGN hosts at cosmic noon2408.16821v1 · E. Bertola, C. Circosta, M. Ginolfi et al.2024 · 13 citationsarXiv
Changing-look Active Galactic Nuclei from the Dark Energy Spectroscopic Instrument. II. Statistical Properties from the First Data Release2408.00402v1 · Wei-Jian Guo, Hu Zou, Claire L. Greenwell et al.2024 · 29 citationsarXiv
Environments of luminous low-frequency radio galaxies since cosmic noon: jet-mode feedback dominates in groups2407.18744v1 · Grayson C. Petter, Ryan C. Hickox, Leah K. Morabito et al.2024 · 4 citationsarXiv
The miniJPAS Survey: The radial distribution of star formation rates in faint X-ray active galactic nuclei2405.06010v3 · Nischal Acharya, Silvia Bonoli, Mara Salvato et al.2024 · 5 citationsarXiv
A Cigale module tailored (not only) for Low-Luminosity AGN2404.16938v2 · I.E. L'opez, G. Yang, G. Mountrichas et al.2024 · 20 citationsA&A 692, A209 (2024)
Identifying Quasars from the DESI Bright Galaxy Survey2404.03621v1 · S. Juneau, R. Canning, D. M. Alexander et al.2024 · 2 citationsarXiv
DESI 2024 III: Baryon Acoustic Oscillations from Galaxies and Quasars2404.03000v1 · A. G. Adame, J. Aguilar, S. Ahlen et al.2024 · 323 citationsJCAP 04 (2025) 012on Valency
DESI 2024 IV: Baryon Acoustic Oscillations from the Lyman Alpha Forest2404.03001v4 · A. G. Adame, J. Aguilar, S. Ahlen et al.2024 · 272 citationsarXiv
DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations2404.03002v3 · A. G. Adame, J. Aguilar, S. Ahlen et al.2024 · 1,143 citationsJCAP 02 (2025) 021
How does the radio enhancement of broad absorption line quasars relate to colour and accretion rate?2402.18623v1 · J.W. Petley, L. K. Morabito, A. L. Rankine et al.2024 · 11 citationsarXiv
Ionised AGN outflows in the Goldfish galaxy -- The illuminating and interacting red quasar eFEDSJ091157.4+014327 at z 0.62401.17299v2 · Blessing Musiimenta, Giovanna Speranza, Tanya Urrutia et al.2024 · 3 citationsA&A 687, A111 (2024)
A post-merger enhancement only in star-forming Type 2 Seyfert galaxies: the deep learning view2401.09632v1 · M. S. Avirett-Mackenzie, C. Villforth, M. Huertas-Company et al.2024 · 5 citationsarXiv
Ubiquitous radio emission in quasars: predominant AGN origin and a connection to jets, dust and winds2312.10177v1 · G. Calistro-Rivera, D. M. Alexander, C. M. Harrison et al.2023 · 23 citationsA&A 691, A191 (2024)
The High Energy X-ray Probe (HEX-P): Bringing the Cosmic X-ray Background into Focus2311.04832v2 · Francesca Civano, Xiurui Zhao, Peter Boorman et al.2023 · 11 citationsarXiv
The High Energy X-ray Probe (HEX-P): The Circum-nuclear Environment of Growing Supermassive Black Holes2311.04949v1 · P. G. Boorman, N. Torres-Alba, A. Annuar et al.2023 · 16 citationsarXiv
Quasar Feedback Survey: molecular gas affected by central outflows and by ~10 kpc radio lobes reveal dual feedback effects in `radio quiet' quasars2311.03453v2 · A. Girdhar, C. M. Harrison, V. Mainieri et al.2023 · 22 citationsarXiv
The Quasar Feedback Survey: characterising CO excitation in quasar host galaxies2310.10235v4 · S. J. Molyneux, G. Calistro Rivera, C. De Breuck et al.2023 · 0 citationsarXiv
Obscuration beyond the nucleus: infrared quasars can be buried in extreme compact starbursts2310.02330v2 · Carolina Andonie, David M. Alexander, Claire Greenwell et al.2023 · 18 citationsarXiv
A new discovery space opened by eROSITA: Ionised AGN outflows from X-ray selected samples2309.16528v1 · Blessing Musiimenta, Marcella Brusa, Teng Liu et al.2023 · 19 citationsA&A 679, A84 (2023)
Broad Absorption Line Quasars in the Dark Energy Spectroscopic Instrument Early Data Release2309.03434v2 · S. Filbert, P. Martini, K. Seebaluck et al.2023 · 29 citationsarXivon Valency
A striking relationship between dust extinction and radio detection in DESI QSOs: evidence for a dusty blow-out phase in red QSOs2308.14790v1 · V. A. Fawcett, D. M. Alexander, A. Brodzeller et al.2023 · 34 citationsarXivon Valency
Changing-look Active Galactic Nuclei from the Dark Energy Spectroscopic Instrument. I.Sample from the Early Data2307.08289v2 · Wei-Jian Guo, Hu Zou, Victoria Anne Fawcett et al.2023 · 54 citationsarXiv
Validation of the Scientific Program for the Dark Energy Spectroscopic Instrument2306.06307v3 · A. G. Adame, J. Aguilar, S. Ahlen et al.2023 · 251 citationsarXiv
The Early Data Release of the Dark Energy Spectroscopic Instrument2306.06308v3 · A. G. Adame, J. Aguilar, S. Ahlen et al.2023 · 409 citationsAJ 168 58 (2024)
Detecting and Characterizing Mg II absorption in DESI Survey Validation Quasar Spectra2305.20016v3 · Lucas Napolitano, Agnesh Pandey, Adam D. Myers et al.2023 · 28 citations2023AJ....166...99Non Valency
Performance of the Quasar Spectral Templates for the Dark Energy Spectroscopic Instrument2305.10426v2 · Allyson Brodzeller, Kyle Dawson, Stephen Bailey et al.2023 · 60 citationsarXivon Valency
Revisiting the Properties of X-ray AGN in the SSA22 Protocluster: Normal SMBH and Host-Galaxy Growth for AGN in a Overdensity2305.06400v2 · Erik B. Monson, Keith Doore, Rafael T. Eufrasio et al.2023 · 19 citationsApJ 951 (2023), 15
Identification and Characterization of a Large Sample of Distant Active Dwarf Galaxies in XMM-SERVS2304.09904v1 · Fan Zou, W. N. Brandt, Qingling Ni et al.2023 · 20 citationsarXiv
The Most Obscured AGNs in the XMM-SERVS Fields2304.06065v1 · Wei Yan, W. N. Brandt, Fan Zou et al.2023 · 13 citationsarXiv
Career total: at least 876 works. 332 are in this corpus.Showing the 50 most recent.
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