Radoslaw Jan Wojtak

Radoslaw Jan Wojtak

Associate Professor


  1. Published

    A New Measurement of the Hubble Constant and Matter Content of the Universe Using Extragalactic Background Light γ-Ray Attenuation

    Dominguez, A., Wojtak, Radoslaw Jan, Finke, J., Ajello, M., Helgason, K., Prada, F., Desai, A., Paliya, V., Marcotulli, L. & Hartmann, D. H., 10 Nov 2019, In: Astrophysical Journal. 885, 2, 7 p., 137.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    A fast-rising tidal disruption event from a candidate intermediate-mass black hole

    Angus, C. R., Baldassare, V. F., Mockler, B., Foley, R. J., Ramirez-Ruiz, E., Raimundo, S., French, K. D., Auchettl, K., Pfister, H., Gall, C., Hjorth, J., Drout, M. R., Alexander, K. D., Dimitriadis, G., Hung, T., Jones, D. O., Rest, A., Siebert, M. R., Taggart, K., Terreran, G. & 19 others, Tinyanont, S., Carroll, C. M., DeMarchi, L., Earl, N., Gagliano, A., Izzo, Luca, Villar, V. A., Zenati, Y., Arendse, N., Cold, C., de Boer, T. J. L., Chambers, K. C., Coulter, D. A., Khetan, Nandita, Lin, C. C., Magnier, E. A., Rojas-Bravo, C., Wainscoat, R. J. & Wojtak, Radoslaw Jan, 10 Nov 2022, In: Nature Astronomy. 6, p. 1452-1463 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    A new derivation of the Hubble constant from γ-ray attenuation using improved optical depths for the Fermi and CTA era

    Domínguez, A., Østergaard kirkeberg, P., Wojtak, Radoslaw Jan, Saldana-lopez, A., Desai, A., Primack, J. R., Finke, J., Ajello, M., Pérez-gonzález, P. G., Paliya, V. S. & Hartmann, D., 2 Jan 2024, In: Monthly Notices of the Royal Astronomical Society. 527, 3, p. 4632-4642 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    A new measurement of the Hubble constant using Type la supernovae calibrated with surface brightness fluctuations

    Khetan, N., Izzo, Luca, Branchesi, M., Wojtak, Radoslaw Jan, Cantiello, M., Murugeshan, C., Agnello, Adriano, Cappellaro, E., Della Valle, M., Gall, Christa, Hjorth, Jens, Benetti, S., Brocato, E., Burke, J., Hiramatsu, D., Howell, D. A., Tomasella, L. & Valenti, S., 12 Mar 2021, In: Astronomy & Astrophysics. 647, 20 p., A72.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    A new method to measure the mass of galaxy clusters

    Falco, M., Hansen, Steen Harle, Wojtak, Radoslaw Jan, Brinckmann, T., Lindholmer, M. & Pandolfi, S., 1 Aug 2014, In: Monthly Notices of the Royal Astronomical Society. 442, 2, p. 1887-1896

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    AI-driven spatio-temporal engine for finding gravitationally lensed type Ia supernovae

    Kodi Ramanah, D., Arendse, N. & Wojtak, Radoslaw Jan, 14 Apr 2022, In: Monthly Notices of the Royal Astronomical Society. 512, 4, p. 5404-5417 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 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 journalJournal articleResearchpeer-review

  8. Published

    Comparing fully general relativistic and Newtonian calculations of structure formation

    East, W. E., Wojtak, Radoslaw Jan & Abel, T., 13 Feb 2018, In: Physical Review D. 97, 4, 15 p., 043509.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Cosmic dissonance: are new physics or systematics behind a short sound horizon?

    Arendse, N., Wojtak, Radoslaw Jan, Agnello, Adriano, Chen, G. C., Fassnacht, C. D., Sluse, D., Hilbert, S., Millon, M., Bonvin, V., Wong, K. C., Courbin, F., Suyu, S. H., Birrer, S., Treu, T. & Koopmans, L. V. E., 7 Jul 2020, In: Astronomy & Astrophysics. 639, 13 p., A57.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. 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 journalJournal articleResearchpeer-review

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