Radoslaw Jan Wojtak
Associate Professor
DARK
Jagtvej 155A
2200 København N
- 2017
- Published
The Distance to NGC 4993: The Host Galaxy of the Gravitational-wave Event GW170817
Hjorth, Jens, Levan, A. J., Tanvir, N. R., Lyman, J. D., Wojtak, Radoslaw Jan, Schroder, S. L., Mandel, I., Gall, Christa & Bruun, S. H., 20 Oct 2017, In: Astrophysics Journal Letters. 848, 2, L31.Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 4493-4511Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Erratum: Anisotropic q-Gaussian 3D velocity distributions in ACDM haloes
Beraldo e Silva, L., Mamon, G. A., Duarte, M., Wojtak, Radoslaw Jan, Peirani, S. & Boue, G., 1 Feb 2017, In: Monthly Notices of the Royal Astronomical Society. 467, 2, p. 2445-2445Research output: Contribution to journal › Journal article › Research › peer-review
- 2016
- 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. 4431-4442Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 3331-3340Research output: Contribution to journal › Journal article › Research › peer-review
- 2015
- Published
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
- 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. 944-955Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- Published
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
- 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. 1644-1659Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Radial orbit instability in dwarf dark matter haloes
Gajda, G., Lokas, E. L. & Wojtak, Radoslaw Jan, 11 Feb 2015, In: Monthly Notices of the Royal Astronomical Society. 447, 1, p. 97-109Research output: Contribution to journal › Journal article › Research › peer-review
- 2014
- Published
Cosmological Parameters from Supernovae Associated with Gamma-Ray Bursts
Li, X., Hjorth, Jens & Wojtak, Radoslaw Jan, 20 Nov 2014, In: Astrophysics Journal Letters. 796, 1, 4 p., L4.Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1887-1896Research output: Contribution to journal › Journal article › Research › peer-review
- Published
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
- 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
- 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. 1805-1812Research output: Contribution to journal › Journal article › Research › peer-review
- 2013
- Published
Dynamical signatures of infall around galaxy clusters: a generalized Jeans equation
Falco, M., Mamon, G. A., Wojtak, Radoslaw Jan, Hansen, Steen Harle & Gottloeber, S., 1 Dec 2013, In: Monthly Notices of the Royal Astronomical Society. 436, 3, p. 2639-2649Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 1576-1585Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 2529-2544Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 2407-2417Research output: Contribution to journal › Journal article › Research › peer-review
- 2012
- 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. L16Research 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