Radoslaw Jan Wojtak
Associate Professor
DARK
Jagtvej 155A
2200 København N
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NON-UNIVERSALITY OF DARK-MATTER HALOS: CUSPS, CORES, AND THE CENTRAL POTENTIAL
Hjorth, Jens, Williams, L. L. R., Wojtak, Radoslaw Jan & McLaughlin, M., 20 Sep 2015, In: Astrophysical Journal. 811, 1, 2.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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Low-redshift measurement of the sound horizon through gravitational time-delays
Arendse, N., Agnello, Adriano & Wojtak, Radoslaw Jan, 9 Dec 2019, In: Astronomy & Astrophysics. 632, 6 p., A91.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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, , 15 May 2023, In: Astrophysical Journal. 948, 2, 23 p., 115.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Galaxy cluster mass reconstruction project - I. Methods and first results on galaxy-based techniques
Old, L., Skibba, R. A., Pearce, F. R., Croton, D., Muldrew, S. I., Munoz-Cuartas, J. C., Gifford, D., Gray, M. E., von der Linden, A., Mamon, G. A., Merrifield, M. R., Mueller, V., Pearson, R. J., Ponman, T. J., Saro, A., Sepp, T., Sifon, C., Tempel, E., Tundo, E., Wang, Y. O. & 1 others, , Jun 2014, In: Monthly Notices of the Royal Astronomical Society. 441, 2, p. 1513-1536Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Galaxy Cluster Mass Reconstruction Project - II. Quantifying scatter and bias using contrasting mock catalogues
Old, L., Wojtak, R., Mamon, G. A., Skibba, R. A., Pearce, F. R., Croton, D., Bamford, S., Behroozi, P., de Carvalho, R., Munoz-Cuartas, J. C., Gifford, D., Gray, M. E., von der Linden, A., Merrifield, M. R., Muldrew, S. I., Mueller, V., Pearson, R. J., Ponman, T. J., Rozo, E., Rykoff, E. & 4 others, , 11 May 2015, In: Monthly Notices of the Royal Astronomical Society. 449, 2, p. 1897-1920Research output: Contribution to journal › Journal article › Research › peer-review
ID: 40108628
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The Distance to NGC 4993: The Host Galaxy of the Gravitational-wave Event GW170817
Research output: Contribution to journal › Journal article › Research › peer-review
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Cosmic dissonance: are new physics or systematics behind a short sound horizon?
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57
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Low-redshift measurement of the sound horizon through gravitational time-delays
Research output: Contribution to journal › Journal article › Research › peer-review
Published