RW
R. Wojtak
astro-ph.COastro-ph.GAastro-phastro-ph.HEastro-ph.IMgr-qcastro-ph.SRhep-phcs.LG
On Valency
published · living versionsW_tq2xehnt·v1 · currentpublished
The Young Supernova Experiment: Survey Goals, Overview, and Operations
with D. O. Jones, R. J. Foley, G. Narayan, J. Hjorth +66
1 version
Preprints & journals
76 papers in the corpus · 2005–2026Inferring the delay time distribution of type Ia supernovae with CAALAM I: SED modelling choices and their effect on the delay time distribution2610.23340v1 · Aman N. Raju, Jens Hjorth, Rados\law Wojtak et al.2026 · 0 citationsarXiv
Two-population model of type Ia supernovae and their associations with host galaxies in ZTF DR22606.17802v1 · Rados\law Wojtak, Lucas Hallgren, Jens Hjorth2026 · 0 citationsarXiv
Examining extinction distributions for type Ia supernovae in simulated 3D galaxies2605.23512v2 · Joao Duarte, Santiago Gonz'alez-Gait'an, Ana M. Mourao et al.2026 · 0 citationsarXiv
Stretch to stretch, dust to dust: lower-value local measurement from two-population modelling of type Ia supernovae2506.22150v2 · Rados\law Wojtak, Jens Hjorth2025 · 5 citationsA&A 702, A176 (2025)
Diverse reddening distributions in sight lines to type Ia supernovae2505.22216v3 · Lucas Hallgren, Radoslaw Wojtak, Jens Hjorth et al.2025 · 1 citationarXiv
Inferring the Hubble Constant Using Simulated Strongly Lensed Supernovae and Neural Network Ensembles2504.10553v1 · Goncalo Goncalves, Nikki Arendse, Doogesh Kodi Ramanah et al.2025 · 1 citationarXiv
Dark Energy Constraints and Joint Cosmological Inference from Mutually Inconsistent Observations2504.03829v1 · Charles L. Steinhardt, Preston Phillips, Radoslaw Wojtak2025 · 0 citationsarXiv
The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics2504.01669v3 · Eleonora Di Valentino, Jackson Levi Said, Adam Riess et al.2025 · 324 citationsPhys. Dark Univ. 49 (2025) 101965
Missing Components in {\Lambda}CDM from DESI Y1 BAO Measurements: Insights from Redshift Remapping2503.22469v2 · E. Fern'andez-Garc'ia, R. Wojtak, F. Prada et al.2025 · 1 citationA&A 701, A237 (2025)
The Hubble Constant from Blue Type Ia Supernovae2411.05642v2 · Christa Gall, Luca Izzo, Radoslaw Wojtak et al.2024 · 5 citationsarXiv
Consistent extinction model for type Ia supernovae in Cepheid-based calibration galaxies and its impact on 2403.10388v2 · Rados\law Wojtak, Jens Hjorth2024 · 19 citationsMNRAS, 533, 2319 (2024)
Detecting strongly-lensed type Ia supernovae with LSST2312.04621v2 · Nikki Arendse, Suhail Dhawan, Ana Sagu'es Carracedo et al.2023 · 43 citationsarXiv
Measuring the Hubble constant with kilonovae using the Expanding Photosphere Method2306.12468v2 · Albert Sneppen, Darach Watson, Dovi Poznanski et al.2023 · 20 citationsA&A 678, A14 (2023)
A new derivation of the Hubble constant from -ray attenuation using improved optical depths for the Fermi and CTA era2306.09878v2 · A. Dom'inguez, P. \Ostergaard Kirkeberg (DARK), R. Wojtak (DARK) et al.2023 · 20 citationsarXiv
Two-population Bayesian hierarchical model of type Ia supernovae2302.01906v2 · Rados\law Wojtak, Jens Hjorth, Jacob Osman Hjortlund2023 · 25 citationsMNRAS, 525, 5187 (2023)
The Young Supernova Experiment Data Release 1 (YSE DR1): Light Curves and Photometric Classification of 1975 Supernovae2211.07128v2 · P. D. Aleo, K. Malanchev, S. Sharief et al.2022 · 48 citationsarXiv
LensWatch: I. Resolved HST Observations and Constraints on the Strongly-Lensed Type Ia Supernova 2022qmx ("SN Zwicky")2211.03772v3 · J. D. R. Pierel, N. Arendse, S. Ertl et al.2022 · 31 citationsarXiv
Relative intrinsic scatter in hierarchical Type Ia supernova siblings analyses: Application to SNe 2021hpr, 1997bq & 2008fv in NGC 31472209.10558v2 · Sam M. Ward, Stephen Thorp, Kaisey S. Mandel et al.2022 · 2 citationsarXiv
A fast rising tidal disruption event from a candidate intermediate mass black hole2209.00018v2 · C. R. Angus, V. F. Baldassare, B. Mockler et al.2022 · 49 citationsarXiv
Intrinsic tension in the supernova sector of the local Hubble constant measurement and its implications2206.08160v2 · Rados\law Wojtak, Jens Hjorth2022 · 45 citationsMNRAS, 515, 2790 (2022)
Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies2203.06142v3 · Elcio Abdalla, Guillermo Franco Abell'an, Amin Aboubrahim et al.2022 · 1,161 citationsJ. High En. Astrophys. 2204, 002 (2022)
AI-driven spatio-temporal engine for finding gravitationally lensed type Ia supernovae2107.12399v2 · Doogesh Kodi Ramanah, Nikki Arendse, Rados\law Wojtak2021 · 12 citationsarXiv
The Young Supernova Experiment: Survey Goals, Overview, and Operations2010.09724v2 · D. O. Jones, R. J. Foley, G. Narayan et al.2020 · 112 citationsarXivon Valency
Simulation-based inference of dynamical galaxy cluster masses with 3D convolutional neural networks2009.03340v2 · Doogesh Kodi Ramanah, Rados\law Wojtak, Nikki Arendse2020 · 31 citationsarXiv
A new measurement of the Hubble constant using Type Ia supernovae calibrated with surface brightness fluctuations2008.07754v2 · N. Khetan, L. Izzo, M. Branchesi et al.2020 · 127 citationsA&A 647, A72 (2021)
Dynamical mass inference of galaxy clusters with neural flows2003.05951v2 · Doogesh Kodi Ramanah, Rados\law Wojtak, Zoe Ansari et al.2020 · 37 citationsarXiv
The lowest of the low: discovery of SN 2019gsc and the nature of faint Iax supernovae2001.09722v2 · Shubham Srivastav, Stephen J. Smartt, Giorgos Leloudas et al.2020 · 31 citationsarXiv
Cosmic dissonance: new physics or systematics behind a short sound horizon?1909.07986v2 · Nikki Arendse, Rados\law J. Wojtak, Adriano Agnello et al.2019 · 93 citationsA&A 639, A57 (2020)
Einstein-Vlasov Calculations of Structure Formation1908.05683v2 · William E. East, Rados\law Wojtak, Frans Pretorius2019 · 12 citationsPhys. Rev. D 100, 103533 (2019)
The Hubble-Lemaître constant and sound horizon from low-redshift probes1908.02401v1 · Rados\law Wojtak, Adriano Agnello2019 · 25 citationsMNRAS, 486, 5046 (2019)
Low-redshift measurement of the sound horizon through gravitational time-delays1905.12000v3 · Nikki Arendse, Adriano Agnello, Rados\law Wojtak2019 · 15 citationsAstronomy & Astrophysics, 2019, Volume 632, id.A91, 6 pp. Astronomy & Astrophysics, Volume 632, id.A91, 6 pp
A new measurement of the Hubble constant and matter content of the Universe using extragalactic background light -ray attenuation1903.12097v2 · Alberto Dom'inguez, Radoslaw Wojtak, Justin Finke et al.2019 · 90 citationsarXiv
Magnified or multiply imaged? - Search strategies for gravitationally lensed supernovae in wide-field surveys1903.07687v2 · Rados\law Wojtak, Jens Hjorth, Christa Gall2019 · 67 citationsMNRAS, 487, 3342 (2019)
Galaxy Cluster Mass Reconstruction Project - IV. Understanding the effects of imperfect membership on cluster mass estimation1806.03199v2 · R. Wojtak, L. Old, G. A. Mamon et al.2018 · 36 citationsMNRAS, 481, 324 (2018)
Comparing Fully General Relativistic and Newtonian Calculations of Structure Formation1711.06681v2 · William E. East, Rados\law Wojtak, Tom Abel2017 · 39 citationsPhys. Rev. D 97, 043509 (2018)
The Distance to NGC 4993: The Host Galaxy of the Gravitational-wave Event GW1708171710.05856v1 · Jens Hjorth, Andrew J. Levan, Nial R. Tanvir et al.2017 · 178 citationsThe Astrophysical Journal Letters 848:L31 (2017)
Galaxy Cluster Mass Reconstruction Project: III. The impact of dynamical substructure on cluster mass estimates1709.10108v1 · L. Old, R. Wojtak, F. R. Pearce et al.2017 · 38 citationsarXiv
Redshift remapping and cosmic acceleration in dark-matter-dominated cosmological models1610.03599v2 · Rados\law Wojtak, Francisco Prada2016 · 18 citationsMNRAS, 470, 4493 (2017)
Voids in cosmological simulations over cosmic time1602.08541v2 · Rados\law Wojtak, Devon Powell, Tom Abel2016 · 34 citationsMNRAS, 458, 4431 (2016)
Testing the mapping between redshift and cosmic scale factor1602.02231v2 · Rados\law Wojtak, Francisco Prada2016 · 19 citationsMNRAS, 458, 3331 (2016)
Non-universality of dark-matter halos: cusps, cores, and the central potential1508.02195v1 · Jens Hjorth, Liliya L. R. Williams, Rados\law Wojtak et al.2015 · 32 citationsApJ 811, 2 (2015)
Local gravitational redshifts can bias cosmological measurements1504.00718v2 · Radoslaw Wojtak, Tamara M. Davis, Jophiel Wiis2015 · 31 citationsJCAP, 07, 025 (2015)
Galaxy Cluster Mass Reconstruction Project: II. Quantifying scatter and bias using contrasting mock catalogues1502.07347v1 · L. Old, R. Wojtak, G. A. Mamon et al.2015 · 88 citationsarXiv
Dark matter inner slope and concentration in galaxies: from the Fornax dwarf to M871410.7175v1 · G. A. Mamon, J. Chevalier, A. J. Romanowsky et al.2014 · 5 citationsIAU Symp 311, Galaxy Masses as Constraints of Formation Models (2015), ed. M. Cappellari & S. Courteau, p. 16-19
Cosmological Parameters From Supernovae Associated With Gamma-ray Bursts1409.3567v3 · Xue Li, Jens Hjorth, Rados\law Wojtak2014 · 19 citationsarXiv
Radial orbit instability in dwarf dark matter haloes1407.6565v2 · Grzegorz Gajda, Ewa L. Lokas, Radoslaw Wojtak2014 · 12 citationsMNRAS, 447, 97 (2015)
Effect of asphericity in caustic mass estimates of galaxy clusters1405.0284v3 · Jacob Svensmark, Radoslaw Wojtak, Steen H. Hansen2014 · 19 citationsarXiv
Galaxy Cluster Mass Reconstruction Project: I. Methods and first results on galaxy-based techniques1403.4610v1 · L. Old, R. A. Skibba, F. R. Pearce et al.2014 · 84 citationsarXiv
Statistical mechanics of collisionless orbits. IV. Distribution of angular momentum1401.5085v1 · Liliya L.R. Williams, Jens Hjorth, Radoslaw Wojtak2014 · 23 citationsAstrophysical Journal 783 (2014) 13
Cosmic variance of the local Hubble flow in large-scale cosmological simulations1312.0276v2 · Radoslaw Wojtak, Alexander Knebe, William A. Watson et al.2013 · 74 citationsMNRAS, 438, 1805 (2014)
Career total: 109 works. 76 are in this corpus.Showing the 50 most recent.
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