Radoslaw Jan Wojtak

Radoslaw Jan Wojtak

Associate Professor

ORCID: 0000-0001-9666-3164

Publication year:
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  1. 2024
  2. 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 journal › Journal article › Research › peer-review

  3. 2023
  4. 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

  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

    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

  7. Published

    LensWatch. I. Resolved HST Observations and Constraints on the Strongly Lensed Type Ia Supernova 2022qmx (“SN Zwicky”)

    Pierel, J. D. R., Arendse, N., Ertl, S., Huang, X., Moustakas, L. A., Schuldt, S., Shajib, A. J., Shu, Y., Birrer, S., Bronikowski, M., Hjorth, J., Suyu, S. H., Agarwal, S., Agnello, A., Bolton, A. S., Chakrabarti, S., Cold, C., Courbin, F., Della Costa, J. M., Dhawan, S. & 25 others, Engesser, M., Fox, O. D., Gall, Christa, Gomez, S., Goobar, A., Jha, S. W., Jimenez, C., Johansson, J., Larison, C., Li, G., Marques-chaves, R., Mao, S., Mazzali, P. A., Perez-fournon, I., Petrushevska, T., Poidevin, F., Rest, A., Sheu, W., Shirley, R., Silver, E., Storfer, C., Strolger, L. G., Treu, T., Wojtak, Radoslaw Jan & Zenati, Y., 15 May 2023, In: Astrophysical Journal. 948, 2, 23 p., 115.

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

  8. Published

    The Young Supernova Experiment Data Release 1 (YSE DR1): Light Curves and Photometric Classification of 1975 Supernovae

    Aleo, P. D., Malanchev, K., Sharief, S., Jones, D. O., Narayan, G., Foley, R. J., Villar, V. A., Angus, C. R., Baldassare, V. F., Bustamante-Rosell, M. J., Chatterjee, D., Cold, C., Coulter, D. A., Davis, K. W., Dhawan, S., Drout, M. R., Engel, A., French, K. D., Gagliano, A., Gall, C. & 67 others, Hjorth, Jens, Huber, M. E., Jacobson-Galan, W. V., Kilpatrick, C. D., Rangavar Langeroodi, Danial, Macias, P., Mandel, K. S., Margutti, R., Matasic, F., McGill, P., Pierel, J. D. R., Ramirez-Ruiz, E., Ransome, C. L., Rojas-Bravo, C., Siebert, M. R., Smith, K. W., de Soto, K. M., Stroh, M. C., Tinyanont, S., Taggart, K., Ward, S. M., Wojtak, Radoslaw Jan, Auchettl, K., Blanchard, P. K., de Boer, T. J. L., Boyd, B. M., Carroll, C. M., Chambers, K. C., DeMarchi, L., Dimitriadis, G., Dodd, S. A., Earl, N., Farías Hinojosa, Diego Andrés, Gao, H., Gomez, S., Grayling, M., Grillo, C., Hayes, E. E., Hung, T., Izzo, Luca, Khetan, Nandita, Kolborg, Anne Noer, Law-Smith, J. A. P., LeBaron, N., Lin, C. -., Luo, Y., Magnier, E. A., Matthews, D., Mockler, B., O'Grady, A. J. G., Pan, Y. -., Politsch, C. A., Raimundo, Sandra, Rest, A., Ridden-Harper, R., Sarangi, Arka, Schroder, S. L., Smartt, S. J., Terreran, G., Thorp, S., Vazquez, J., Wainscoat, R. J., Wang, Q., Wasserman, A. R., Yadavalli, S. K., Yarza, R. & Zenati, Y., 1 May 2023, In: Astrophysical Journal, Supplement Series. 266, 1, 46 p., 9.

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

  9. 2022
  10. 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 journal › Journal article › Research › peer-review

  11. 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

  12. 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 journal › Journal article › Research › peer-review

  13. 2021
  14. 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 journal › Journal article › Research › peer-review

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ID: 40108628