OG
Or Graur
astro-ph.COastro-ph.HEastro-ph.GAastro-ph.SRastro-ph.IMphysics.hist-phphysics.pop-phCOVID-19gr-qcphysics.ed-ph
On Valency
published · living versionsW_jg8vdkc4·v1 · currentpublished
The MOST Hosts Survey: spectroscopic observation of the host galaxies of ~40,000 transients using DESI
with Maayane T. Soumagnac, Peter Nugent, Robert A. Knop, Anna Y. Q. Ho +52
1 version
W_594umn73·v1published
W_eytjk7hp·v1published
W_n68u9frd·v1published
W_sda859av·v1published
W_an52ar5m·v1published
Preprints & journals
97 papers in the corpus · 2010–2026Tomography analysis of the intermediate-luminosity Type Iax SN 2024pxl2609.28712v1 · Barnab'as Barna, Mridweeka Singh, Lindsey A. Kwok et al.2026 · 0 citationsarXiv
JWST Spectroscopy of Type Ia Supernova 2025rbs from Maximum Light to the Nebular Phase2608.10451v1 · Lindsey A. Kwok, St'ephane Blondin, Adam A. Miller et al.2026 · 0 citationsarXiv
Late-time JWST/NIRCam Observations of the Extremely Long-duration GRB 250702B/EP 250702a and Its Host Galaxy2606.18353v1 · Huei Sears, Jean J. Somalwar, Ryan Chornock et al.2026 · 0 citationsarXiv
Mapping the nuclear environments of extreme coronal line emitting galaxies2606.04090v2 · Daniel Kynoch, Or Graur, Peter Clark et al.2026 · 0 citationsarXiv
JWST Nebular Spectroscopy of SN 2023qov: Circumstellar Dust Emission in a Normal Type Ia Supernova2604.09777v2 · Colin W. Macrie, Conor Larison, Huei Sears et al.2026 · 0 citations2026 ApJ 1009 241
The Gravitational-wave Optical Transient Observer (GOTO) data pipeline and workflow for transient discovery2603.02330v2 · J. D. Lyman, D. O'Neill, T. Killestein et al.2026 · 2 citationsarXiv
Early results in the search for extreme coronal line emitters with the Dark Energy Spectroscopic Instrument2601.20964v2 · Peter Clark, Joseph Callow, Or Graur et al.2026 · 0 citationsMon Not R Astron Soc (2026)
Illuminating the Physics of Cosmic Origin and Evolution: A UK Space Frontiers 2035 White Paper2601.16761v1 · Florian Beutler, Eva-Maria Mueller, Seshadri Nadathur et al.2026 · 0 citationsarXiv
The DESI Transients Survey: Legacy Classifications and Methodology2601.12611v1 · Xander J. Hall, Antonella Palmese, Segev BenZvi et al.2026 · 3 citationsarXiv
JWST Spectroscopy of SN Ia 2022aaiq and 2024gy: Evidence for Enhanced Central Stable Ni Abundance and a Deflagration-to-Detonation Transition2510.09760v3 · Lindsey A. Kwok, Chang Liu, Saurabh W. Jha et al.2025 · 2 citationsarXiv
Effect of positronium on the -ray spectra and energy deposition in Type Ia supernovae2505.22992v1 · Anirban Dutta, Andrew Fullard, Wolfgang Kerzendorf et al.2025 · 0 citationsarXiv
Photometry and Spectroscopy of SN 2024pxl: A Luminosity Link Among Type Iax Supernovae2505.02943v2 · Mridweeka Singh, Lindsey A. Kwok, Saurabh W. Jha et al.2025 · 1 citationarXiv
JWST and Ground-based Observations of the Type Iax Supernovae SN 2024pxl and SN 2024vjm: Evidence for Weak Deflagration Explosions2505.02944v2 · Lindsey A. Kwok, Mridweeka Singh, Saurabh W. Jha et al.2025 · 14 citationsThe Astrophysical Journal Letters, Volume 989, Issue 2, id.L33, 24 pp., August 2025
The Remarkable Late-Time Flux Excess in Hubble Space Telescope Observations of the Type Iax Supernova 2012Z2504.01063v1 · Michaela Schwab, Lindsey A. Kwok, Saurabh W. Jha et al.2025 · 2 citationsarXiv
Data Release 1 of the Dark Energy Spectroscopic Instrument2503.14745v2 · M. Abdul Karim, A. G. Adame, D. Aguado et al.2025 · 155 citationsarXivon Valency
AT 2018dyk: tidal disruption event or active galactic nucleus? Follow-up observations of an extreme coronal line emitter with the Dark Energy Spectroscopic Instrument2502.04080v2 · Peter Clark, Joseph Callow, Or Graur et al.2025 · 8 citationsarXiv
TiDES: The 4MOST Time Domain Extragalactic Survey2501.16311v2 · C. Frohmaier, M. Vincenzi, M. Sullivan et al.2025 · 16 citationsarXiv
The rate of extreme coronal line emitters in the Baryon Oscillation Spectroscopic Survey LOWZ sample2501.14022v2 · Joseph Callow, Or Graur, Peter Clark et al.2025 · 4 citationsarXiv
The Ancient Egyptian Cosmological Vignette: First Visual Evidence of the Milky Way and Trends in Coffin Depictions of the Sky Goddess Nut2409.10265v3 · Or Graur2024 · 1 citationarXiv
: the GOTO project for real-time citizen science in time-domain astrophysics2406.02334v2 · T. L. Killestein, L. Kelsey, E. Wickens et al.2024 · 1 citationarXiv
The MOST Hosts Survey: spectroscopic observation of the host galaxies of ~40,000 transients using DESI2405.03857v1 · Maayane T. Soumagnac, Peter Nugent, Robert A. Knop et al.2024 · 14 citationsarXivon Valency
The ancient Egyptian personification of the Milky Way as the Sky Goddess Nut: an astronomical and cross-cultural analysis2404.01458v1 · Or Graur2024 · 1 citationarXiv
The rate of extreme coronal line emitting galaxies in the Sloan Digital Sky Survey and their relation to tidal disruption events2402.16951v2 · Joseph Callow, Or Graur, Peter Clark et al.2024 · 11 citationsarXiv
The Dark Energy Survey: Cosmology Results With ~1500 New High-redshift Type Ia Supernovae Using The Full 5-year Dataset2401.02929v4 · T. M. C. Abbott, M. Acevedo, M. Aguena et al.2024 · 35 citationsThe Astrophysical Journal Letters (2024), 973(1), L14on Valency
The Dark Energy Survey Supernova Program: Cosmological Analysis and Systematic Uncertainties2401.02945v2 · M. Vincenzi, D. Brout, P. Armstrong et al.2024 · 116 citationsarXiv
Light-Curve Structure and Halpha Line Formation in the Tidal Disruption Event AT 2019azh2312.03842v2 · Sara Faris, Iair Arcavi, Lydia Makrygianni et al.2023 · 17 citationsarXiv
Underluminous 1991bg-like Type Ia supernovae are standardizable candles2311.16245v2 · Or Graur2023 · 12 citationsarXiv
A 9-Month Hubble Space Telescope Near-UV Survey of M87. I. Light and Color Curves of 94 Novae, and a Re-determination of the Nova Rate2308.15599v2 · Michael M. Shara, Alec M. Lessing, Rebekah Hounsell et al.2023 · 6 citationsarXiv
Ground-based and JWST Observations of SN 2022pul: I. Unusual Signatures of Carbon, Oxygen, and Circumstellar Interaction in a Peculiar Type Ia Supernova2308.12449v1 · Matthew R. Siebert, Lindsey A. Kwok, Joel Johansson et al.2023 · 28 citationsarXiv
Ground-based and JWST Observations of SN 2022pul: II. Evidence from Nebular Spectroscopy for a Violent Merger in a Peculiar Type-Ia Supernova2308.12450v2 · Lindsey A. Kwok, Matthew R. Siebert, Joel Johansson et al.2023 · 28 citationsThe Astrophysical Journal, Volume 966, Issue 1, id.135, 18 pp., May 2024
Using 4MOST to refine the measurement of galaxy properties: A case study of Supernova hosts2308.04863v1 · J. Dumayne, I. M. Hook, S. C. Williams et al.2023 · 2 citationsarXiv
Long-term follow-up observations of extreme coronal line emitting galaxies2307.03182v2 · Peter Clark, Or Graur, Joseph Callow et al.2023 · 23 citationsMonthly Notices of the Royal Astronomical Society, Volume 528, Issue 4, March 2024, Pages 7076-7102
No plateau observed in late-time near-infrared observations of the underluminous Type Ia supernova 2021qvv2306.12858v2 · O. Graur, E. Padilla Gonzalez, J. Burke et al.2023 · 5 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)
Constraints on the Hubble constant from supernova Refsdal's reappearance.37167351 · Kelly, Patrick L, Rodney, Steven, Treu, Tommaso et al.2023 · 133 citationsScience (New York, N.Y.). 2023;380(6649):eabh1322
The Magnificent Five Images of Supernova Refsdal: Time Delay and Magnification Measurements2305.06377v1 · Patrick L. Kelly, Steven Rodney, Tommaso Treu et al.2023 · 38 citationsarXiv
Combining viral genomics and clinical data to assess risk factors for severe COVID-19 (mortality, ICU admission, or intubation) amongst hospital patients in a large acute UK NHS hospital Trust.36952555 · Foxley-Marrable, Max, D'Cruz, Leon, Meredith, Paul et al.2023 · 5 citationsPloS one. 2023;18(3):e0283447
Photometric study of the late-time near-infrared plateau in Type Ia supernovae2303.09548v1 · M. Deckers, O. Graur, K. Maguire et al.2023 · 9 citationsarXiv
A search for transients in the Reionization Lensing Cluster Survey (RELICS): Three new supernovae2302.11158v2 · Miriam Golubchik, Adi Zitrin, Justin Pierel et al.2023 · 9 citationsarXiv
Rates and properties of type Ia supernovae in galaxy clusters within the Dark Energy Survey2302.05184v2 · M. Toy, P. Wiseman, M. Sullivan et al.2023 · 13 citationsarXiv
A JWST Near- and Mid-Infrared Nebular Spectrum of the Type Ia Supernova 2021aefx2211.00038v2 · Lindsey A. Kwok, Saurabh W. Jha, Tea Temim et al.2022 · 37 citationsApJL, Volume 944 L3, 2023
Using Ti Emission to Differentiate Between Thermonuclear Supernova Progenitors2210.10804v1 · Daniel Kosakowski, Mark Ivan Ugalino, Robert Fisher et al.2022 · 7 citationsarXiv
Concerning Colour: The Effect of Environment on Type Ia Supernova Colour in the Dark Energy Survey2208.01357v2 · L. Kelsey, M. Sullivan, P. Wiseman et al.2022 · 39 citationsMNRAS, February 2023, Volume 519, Issue 2, Pages 3046-3063
Core-collapse Supernovae in the Dark Energy Survey: Luminosity Functions and Host Galaxy Demographics2207.08520v2 · M. Grayling, C. P. Guti'errez, M. Sullivan et al.2022 · 10 citationsMNRAS 520 (2023) 684-701on Valency
The Dark Energy Survey Supernova Program results: Type Ia Supernova brightness correlates with host galaxy dust2206.06928v1 · Cole Meldorf, Antonella Palmese, Dillon Brout et al.2022 · 36 citationsarXiv
The Late-Time Light Curves of Type Ia Supernovae: Confronting Models with Observations2206.02812v2 · Vishal Tiwari, Or Graur, Robert Fisher et al.2022 · 15 citationsarXiv
Overview of the Instrumentation for the Dark Energy Spectroscopic Instrument2205.10939v1 · B. Abareshi, J. Aguilar, S. Ahlen et al.2022 · 466 citationsarXiv
The Dark Energy Survey Supernova Program: Cosmological biases from supernova photometric classification2111.10382v1 · M. Vincenzi, M. Sullivan, A. Moller et al.2021 · 27 citationsarXiv
Rates and delay times of type Ia supernovae in the Dark Energy Survey2105.11954v2 · P. Wiseman, M. Sullivan, M. Smith et al.2021 · 52 citationsarXivon Valency
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