Radoslaw Jan Wojtak

Radoslaw Jan Wojtak

Associate Professor

ORCID: 0000-0001-9666-3164

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  1. Published

    Simulation-based inference of dynamical galaxy cluster masses with 3D convolutional neural networks

    Ramanah, D. K., Wojtak, Radoslaw Jan & Arendse, N., 1 Mar 2021, In: Monthly Notices of the Royal Astronomical Society. 501, 3, p. 4080-4091 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Anisotropic q-Gaussian 3D velocity distributions in Lambda CDM haloes

    Silva, L. B. E., Mamon, G. A., Duarte, M., Wojtak, Radoslaw Jan, Peirani, S. & Boue, G., 1 Sep 2015, In: Monthly Notices of the Royal Astronomical Society. 452, 1, p. 944-955

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Spatial Anisotropy of Galaxy Kinematics in Sloan Digital Sky Survey Galaxy Clusters

    Skielboe, A., Wojtak, Radoslaw Jan, Pedersen, K., Rozo, E. & Rykoff, E. S., 10 Oct 2012, In: Astrophysics Journal Letters. 758, 1, p. L16

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Ursa Major II - reproducing the observed properties through tidal disruption

    Smith, R., Felhauer, M., Candlish, G. N., Wojtak, Radoslaw Jan, Farias, J. P. & Blana, M., 1 Aug 2013, In: Monthly Notices of the Royal Astronomical Society. 433, 3, p. 2529-2544

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Measuring the Hubble constant with kilonovae using the expanding photosphere method

    Sneppen, Albert Bjerregård, Watson, Darach Jafar, Poznanski, D., Just, O., Bauswein, A. & Wojtak, Radoslaw Jan, 2 Oct 2023, In: Astronomy & Astrophysics. 678, 13 p., A14.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    The Lowest of the Low: Discovery of SN 2019gsc and the Nature of Faint Iax Supernovae

    Srivastav, S., Smartt, S. J., Leloudas, G., Huber, M. E., Chambers, K., Malesani, D. B., Hjorth, Jens, Gillanders, J. H., Schultz, A., Sim, S. A., Auchettl, K., Fynbo, Johan Peter Uldall, Gall, Christa, McBrien, O. R., Rest, A., Smith, K. W., Wojtak, Radoslaw Jan & Young, D. R., 1 Apr 2020, In: Astrophysical Journal Letters. 892, 2, 8 p., L24.

    Research output: Contribution to journal › Letter › Research › peer-review

  7. Published

    Effect of asphericity in caustic mass estimates of galaxy clusters

    Svensmark, Jacob, Wojtak, Radoslaw Jan & Hansen, Steen Harle, 1 Apr 2015, In: Monthly Notices of the Royal Astronomical Society. 448, 2, p. 1644-1659

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Relative Intrinsic Scatter in Hierarchical Type Ia Supernova Sibling Analyses: Application to SNe 2021hpr, 1997bq, and 2008fv in NGC 3147

    Ward, S. M., Thorp, S., Mandel, K. S., Dhawan, S., Jones, D. O., Taggart, K., Foley, R. J., Narayan, G., Chambers, K. C., Coulter, D. A., Davis, K. W., De Boer, T., De Soto, K., Earl, N., Gagliano, A., Gao, H., Hjorth, J., Huber, M. E., Izzo, L., Langeroodi, D. & 5 others, Magnier, E. A., Mcgill, P., Rest, A., Rojas-bravo, C. & Wojtak, Radoslaw Jan, 13 Oct 2023, In: Astrophysical Journal. 956, 2, 17 p., 111.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Statistical Mechanics of Collisionless Orbits. IV. Distribution of Angular Momentum

    Williams, L. L. R., Hjorth, Jens & Wojtak, Radoslaw Jan, 1 Mar 2014, In: Astrophysical Journal. 783, 1, 10 p., 13.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Galaxy Cluster Mass Reconstruction Project - IV. Understanding the effects of imperfect membership on cluster mass estimation

    Wojtak, Radoslaw Jan, Old, L., Mamon, G. A., Pearce, F. R., de Carvalho, R., Sifon, C., Gray, M. E., Skibba, R. A., Croton, D., Bamford, S., Gifford, D., von der Linden, A., Munoz-Cuartas, J. C., Mueller, V., Pearson, R. J., Rozo, E., Rykoff, E., Saro, A., Sepp, T. & Tempel, E., 2 Nov 2018, In: Monthly Notices of the Royal Astronomical Society. 481, 1, p. 324-340 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Testing the mapping between redshift and cosmic scale factor

    Wojtak, Radoslaw Jan & Prada, F., 21 May 2016, In: Monthly Notices of the Royal Astronomical Society. 458, 3, p. 3331-3340

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Phase-space shapes of clusters and rich groups of galaxies

    Wojtak, Radoslaw Jan, 2 Nov 2013, In: Astronomy & Astrophysics. 559, UNSP A89.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Local gravitational redshifts can bias cosmological measurements

    Wojtak, Radoslaw Jan, Davis, T. M. & Wiis, J. N., 1 Jul 2015, In: Journal of Cosmology and Astroparticle Physics. 2015, 7, 025.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Magnified or multiply imaged? - Search strategies for gravitationally lensed supernovae in wide-field surveys

    Wojtak, Radoslaw Jan, Hjorth, Jens & Gall, Christa, 1 Aug 2019, In: Monthly Notice of the Royal Astronomical Society. 487, 3, p. 3342-3355 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    The Hubble-Lemaitre constant and sound horizon from low-redshift probes

    Wojtak, Radoslaw Jan & Agnello, Adriano, 4 Jul 2019, In: Monthly Notices of the Royal Astronomical Society. 486, 4, p. 5046-5051 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Intrinsic tension in the supernova sector of the local Hubble constant measurement and its implications

    Wojtak, Radoslaw Jan & Hjorth, Jens, 2 Aug 2022, In: Monthly Notices of the Royal Astronomical Society. 515, 2, p. 2790-2799 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Cosmic variance of the local Hubble flow in large-scale cosmological simulations

    Wojtak, Radoslaw Jan, Knebe, A., Watson, W. A., Iliev, I. T., Hess, S., Rapetti, D., Yepes, G. & Gottloeber, S., 1 Feb 2014, In: Monthly Notices of the Royal Astronomical Society. 438, 2, p. 1805-1812

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Voids in cosmological simulations over cosmic time

    Wojtak, Radoslaw Jan, Powell, D. & Abel, T., 1 Jun 2016, In: Monthly Notices of the Royal Astronomical Society. 458, 4, p. 4431-4442

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Redshift remapping and cosmic acceleration in dark-matter-dominated cosmological models

    Wojtak, Radoslaw Jan & Prada, F., 10 Jun 2017, In: Monthly Notices of the Royal Astronomical Society. 470, 4, p. 4493-4511

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Physical properties underlying observed kinematics of satellite galaxies

    Wojtak, Radoslaw Jan & Mamon, G. A., 1 Jan 2013, In: Monthly Notices of the Royal Astronomical Society. 428, 3, p. 2407-2417

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Orbital anisotropy in cosmological haloes revisited

    Wojtak, Radoslaw Jan, Gottloeber, S. & Klypin, A., 1 Sep 2013, In: Monthly Notices of the Royal Astronomical Society. 434, 2, p. 1576-1585

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Two-population Bayesian hierarchical model of Type Ia supernovae

    Wojtak, Radoslaw Jan, Hjorth, Jens & Hjortlund, Jacob Osman, 11 Sep 2023, In: Monthly Notices of the Royal Astronomical Society. 525, 4, p. 5187-5203 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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