Staff profile

• Dark matter and cosmology
• Large-scale structure with weak gravitational lensing & galaxy clustering (with Euclid and the Kilo-Degree Survey)
• Small-scale structure of dark matter halos as probed with strong gravitational lensing (with COSMOS-Web and Euclid)
• Bayesian statistics
• Simulation-based inference
• Interdisciplinary applications of statistical techniques to clinical cancer research (recently through the AI-VISION collaboration)

• 2026: Developing Talent Award 2025-2026:
• 2025: Royal Astronomical Society Postdoc Poster Prize:

Journal Article

• Euclid Quick Data Release (Q1): VIS processing and data products
  
  Collaboration, E., Mccracken, H. J., Benson, K., Dolding, C., Flanet, T., Grenet, C., Herent, O., Hudelot, P., Laigle, C., Leroy, G., Liebing, P., Massey, R., Mottet, S., Nakajima, R., Nguyen-Kim, H. N., Nightingale, J. W., Skottfelt, J., Smith, L. C., Soldano, F., … Kang, Y. (in press). Euclid Quick Data Release (Q1): VIS processing and data products. A&A, 32.
• Radiation damage to the Hubble Space Telescope during two Solar cycles, and correction of Charge Transfer Inefficiency using ArCTIc
  
  Massey, R., Kegerreis, J., Barrios, P., Nightingale, J., Hayes, R., Lagattuta, D., Lentz, Z., Leroy, G., Skottfelt, J., Vecchi, F., & Von Wietersheim-Kramsta, M. (2026). Radiation damage to the Hubble Space Telescope during two Solar cycles, and correction of Charge Transfer Inefficiency using ArCTIc. MNRAS, 546(2), Article staf2186. https://doi.org/10.1093/mnras/staf2186
• Probing Dark Matter Substructures with Free-Form Modelling: A Case Study of the `Jackpot' Strong Lens
  
  Cao, X., Li, R., Nightingale, J. W., Massey, R., He, Q., Amvrosiadis, A., Robertson, A., Cole, S., Frenk, C. S., Ma, X., Fung, L. W. H., von Wietersheim-Kramsta, M., Lange, S. C., Wang, K., & Gao, L. (2026). Probing Dark Matter Substructures with Free-Form Modelling: A Case Study of the `Jackpot’ Strong Lens. Monthly Notices of the Royal Astronomical Society, 545(4), Article staf2179. https://doi.org/10.1093/mnras/staf2179
• An ultra-high-resolution map of (dark) matter
  
  Scognamiglio, D., Leroy, G., Harvey, D., Massey, R., Rhodes, J., Akins, H. B., Brinch, M., Berman, E., Casey, C. M., Drakos, N. E., Faisst, A. L., Franco, M., Fung, L. W., Gozaliasl, G., He, Q., Hatamnia, H., Huff, E., Hogg, N. B., Ilbert, O., … Webster, J. R. (2026). An ultra-high-resolution map of (dark) matter. Nature Astronomy. https://doi.org/10.1038/s41550-025-02763-9
• Measuring the stellar-to-halo mass relation at ∼10 10 solar masses, using forthcoming space-based imaging of galaxy–galaxy strong lenses
  
  Wang, K., Cao, X., Li, R., Nightingale, J. W., He, Q., Amvrosiadis, A., Massey, R., von Wietersheim-Kramsta, M., Fung, L. W. H., Frenk, C. S., Cole, S., Robertson, A., Lange, S. C., & Ma, X. (2026). Measuring the stellar-to-halo mass relation at ∼10 10 solar masses, using forthcoming space-based imaging of galaxy–galaxy strong lenses. Monthly Notices of the Royal Astronomical Society, 546(2), Article staf2253. https://doi.org/10.1093/mnras/staf2253
• The COSMOS-Web Lens Survey (COWLS) II: Depth, resolution, and NIR coverage from JWST reveals 17 spectacular lenses
  
  Mahler, G., Nightingale, J. W., Hogg, N. B., Gozaliasl, G., McCleary, J., He, Q., Berman, E., Franco, M., Liu, D., Massey, R. J., Mercier, W., Scognamiglio, D., Shuntov, M., von Wietersheim-Kramsta, M., Paquereau, L., Ilbert, O., Allen, N., Toft, S., Akins, H. B., … Jin, S. (2025). The COSMOS-Web Lens Survey (COWLS) II: Depth, resolution, and NIR coverage from JWST reveals 17 spectacular lenses. Monthly Notices of the Royal Astronomical Society: Letters, 544(1), L8-L14. https://doi.org/10.1093/mnrasl/slaf088
• Matter power spectrum reconstruction with KiDS-Legacy: Improved internal ΛCDM consistency and preference for strong baryonic feedback
  
  Broxterman, J. C., Simon, P., Porth, L., Kuijken, K., Wright, A. H., Asgari, M., Bilicki, M., Heymans, C., Hildebrandt, H., Hoekstra, H., Joachimi, B., Li, S., Maturi, M., Moscardini, L., Radovich, M., Reischke, R., & Von Wietersheim-Kramsta, M. (2025). Matter power spectrum reconstruction with KiDS-Legacy: Improved internal ΛCDM consistency and preference for strong baryonic feedback. Astronomy & Astrophysics, 703, Article L3. https://doi.org/10.1051/0004-6361/202557182
• The COSMOS-Web Lens Survey (COWLS) I: discovery of >100 high redshift strong lenses in contiguous JWST imaging
  
  Nightingale, J. W., Mahler, G., McCleary, J., He, Q., Hogg, N. B., Amvrosiadis, A., Gozaliasl, G., Mercier, W., Scognamiglio, D., Berman, E., Leroy, G., Liu, D., Massey, R. J., Shuntov, M., von Wietersheim-Kramsta, M., Franco, M., Paquereau, L., Ilbert, O., Allen, N., … Jin, S. (2025). The COSMOS-Web Lens Survey (COWLS) I: discovery of >100 high redshift strong lenses in contiguous JWST imaging. Monthly Notices of the Royal Astronomical Society, 543(1), 203-222. https://doi.org/10.1093/mnras/staf1253
• KiDS-Legacy: Consistency of cosmic shear measurements and joint cosmological constraints with external probes
  
  Stölzner, B., Wright, A. H., Asgari, M., Heymans, C., Hildebrandt, H., Hoekstra, H., Joachimi, B., Kuijken, K., Li, S., Mahony, C., Reischke, R., Yoon, M., Bilicki, M., Burger, P., Chisari, N. E., Dvornik, A., Georgiou, C., Giblin, B., Harnois-Déraps, J., … Zhang, Y. (2025). KiDS-Legacy: Consistency of cosmic shear measurements and joint cosmological constraints with external probes. Astronomy & Astrophysics, 702, Article A169. https://doi.org/10.1051/0004-6361/202554893
• Not So Dark, Not So Dense: An Alternative Explanation for the Lensing Subhalo in SDSS J0946+1006
  
  He, Q., Robertson, A., Nightingale, J. W., Amvrosiadis, A., Cole, S., Frenk, C. S., Lange, S. C., Li, S., Li, R., Cao, X., Fung, L. W. H., Ma, X., Massey, R., Wang, K., & von Wietersheim-Kramsta, M. (2025). Not So Dark, Not So Dense: An Alternative Explanation for the Lensing Subhalo in SDSS J0946+1006. The Astrophysical Journal Letters, 991(2), Article L53. https://doi.org/10.3847/2041-8213/ae072d
• 6 × 2 pt: Forecasting gains from joint weak lensing and galaxy clustering analyses with spectroscopic-photometric galaxy cross-correlations
  
  Johnston, H., Elisa Chisari, N., Joudaki, S., Reischke, R., Stölzner, B., Loureiro, A., Mahony, C., Unruh, S., Wright, A. H., Asgari, M., Bilicki, M., Burger, P., Dvornik, A., Georgiou, C., Giblin, B., Heymans, C., Hildebrandt, H., Joachimi, B., Kuijken, K., … Zhang, Y. (2025). 6 × 2 pt: Forecasting gains from joint weak lensing and galaxy clustering analyses with spectroscopic-photometric galaxy cross-correlations. Astronomy & Astrophysics, 699, Article A127. https://doi.org/10.1051/0004-6361/202452466
• KiDS-Legacy: Covariance validation and the unified OneCovariance framework for projected large-scale structure observables
  
  Reischke, R., Unruh, S., Asgari, M., Dvornik, A., Hildebrandt, H., Joachimi, B., Porth, L., von Wietersheim-Kramsta, M., van den Busch, J. L., Stölzner, B., Wright, A. H., Yan, Z., Bilicki, M., Burger, P., Chisari, N. E., Harnois-Déraps, J., Georgiou, C., Heymans, C., Jalan, P., … Yoon, M. (2025). KiDS-Legacy: Covariance validation and the unified OneCovariance framework for projected large-scale structure observables. Astronomy & Astrophysics, 699, Article A124. https://doi.org/10.1051/0004-6361/202452592
• Euclid: I. Overview of the Euclid mission
  
  Euclid Collaboration, Mellier, Y., Abdurro’uf, Acevedo Barroso, J. A., Achúcarro, A., Adamek, J., Adam, R., Addison, G. E., Aghanim, N., Aguena, M., Ajani, V., Akrami, Y., Al-Bahlawan, A., Alavi, A., Albuquerque, I. S., Alestas, G., Alguero, G., Allaoui, A., Allen, S. W., … D. (2025). Euclid: I. Overview of the Euclid mission. Astronomy & Astrophysics, 697, Article A1. https://doi.org/10.1051/0004-6361/202450810
• KiDS-Legacy: Angular galaxy clustering from deep surveys with complex selection effects
  
  Yan, Z., Wright, A. H., Chisari, N. E., Georgiou, C., Joudaki, S., Loureiro, A., Reischke, R., Asgari, M., Bilicki, M., Dvornik, A., Heymans, C., Hildebrandt, H., Jalan, P., Joachimi, B., Lesci, G. F., Li, S. S., Linke, L., Mahony, C., Moscardini, L., … Yoon, M. (2025). KiDS-Legacy: Angular galaxy clustering from deep surveys with complex selection effects. Astronomy and Astrophysics, 694, Article A259. https://doi.org/10.1051/0004-6361/202452808
• KiDS-SBI: Simulation-based inference analysis of KiDS-1000 cosmic shear
  
  von Wietersheim-Kramsta, M., Lin, K., Tessore, N., Joachimi, B., Loureiro, A., Reischke, R., & Wright, A. H. (2025). KiDS-SBI: Simulation-based inference analysis of KiDS-1000 cosmic shear. Astronomy and Astrophysics, 694, Article A223. https://doi.org/10.1051/0004-6361/202450487