Phone: +49 (89) 289 - 53620
              +49 (89) 30000 - 2015

E-Mail: sherry.suyu@tum.de

Room: 3007

Personal homepage

Research areas:

• Observational cosmology
• Cosmic expansion rate
• Dark energy and dark matter
• Galaxy evolution
• Supermassive black holes
• Gravitational lensing
• Supernovae
• Bayesian inference and methods
• Deep learning

Selected Publications:

Suyu, S. H., Huber, S., Cañameras, R., Kromer, M., Schuldt, S., Taubenberger, S., Yıldırım, A., Bonvin, V., Chan, J. H. H., Courbin, F., et al. (2020). “HOLISMOKES. I. Highly Optimised Lensing Investigations of Supernovae, Microlensing Objects, and Kinematics of Ellipticals and Spirals”, A&A, 644, A162.

Wong, K. C., Suyu, S. H., Chen, G. C.-F., Rusu, C. E., Millon, M., Sluse, D., Bonvin, V., Fassnacht, C. D., Taubenberger, S., Auger, M. W., et al. (2020). “H0LiCOW - XIII. A 2.4 per cent measurement of H0 from lensed quasars: 5.3σ tension between early- and late-Universe probes”, MNRAS, 498, 1420-1439.

Suyu, S. H., Bonvin, V., Courbin, F., Fassnacht, C. D., Rusu, C. E., Sluse, D., Treu, T., Wong, K. C., Auger, M. W., Ding, X., et al. (2017). “H0LiCOW - I. H0 Lenses in COSMOGRAIL's Wellspring: program overview”, MNRAS, 468, 2590-2604.

Suyu, S. H., Hensel, S. W., McKean, J. P., Fassnacht, C. D., Treu, T., Halkola, A., Norbury, M., Jackson, N., Schneider, P., Thompson, D., et al. (2012). “Disentangling Baryons and Dark Matter in the Spiral Gravitational Lens B1933+503”, ApJ, 750, 10.

Suyu, S. H., & Halkola, A. (2010). “The halos of satellite galaxies: the companion of the massive elliptical lens SL2S J08544-0121”, A&A, 524, A94.

Phone: +49 (89) 289 - 53622

E-Mail: ge62yic@mytum.de

Room: 3003

Research areas:

• Time delay cosmography
• Novel statistics in cosmology
• Dark energy
• Geometry of the large-scale structure

Selected Publications:

Bag, S., Shafieloo, A., Liao, K., and Treu, T. (2022). “Identifying Lensed Quasars and Measuring Their Time Delays from Unresolved Light Curves”, ApJ, 927, 191.

Bag, S., Sohn, W., Shafieloo, A., and Liao, K. (2022). “Harnessing Unresolved Lensed Quasars: The Mathematical Foundation of the Fluctuation Curve”, ApJ, 950, 158.

Bag, S., Kim, A. G., Linder, E. V., and Shafieloo, A. (2021). “Be It Unresolved: Measuring Time Delays from Lensed Supernovae”, ApJ, 910, 65.

Denissenya, M., Bag, S., Kim, A. G., Linder, E. V., and Shafieloo, A. (2022). “Out of one, many: distinguishing time delays from lensed supernovae”, MNRAS, 511, 1210.

Bag, S., Shafieloo, A., Smith, R., Chung, H., Linder, E. V., Park, C., Abylkairov, Y. S., and Yelshibekov, K. (2022). “A novel approach for calculating galaxy rotation curves using spaxel cross-correlation and iterative smoothing”, MNRAS, 514, 2278.

Bag, S., Mondal, R., Sarkar, P., Bharadwaj, S., Choudhury, T. R., and Sahni, V. (2019). “Studying the morphology of H I isodensity surfaces during reionization using Shapefinders and percolation analysis”, MNRAS, 485, 2235.

Bag, S., Mondal, R., Sarkar, P., Bharadwaj, S., and Sahni, V. (2018). “The shape and size distribution of H II regions near the percolation transition”, MNRAS, 477, 1984.

Bag, S., Mishra, S. S., and Sahni, V. (2018). “New tracker models of dark energy”, JCAP, 08 (2018), 009.

Alam, U., Bag, S., and Sahni, V. (2017). “Constraining the cosmology of the phantom brane using distance measures”, PRD, 95, 023524.

Bag, S., Viznyuk, A., Shtanov, Y., and Sahni, V. (2016). “Cosmological perturbations on the phantom brane”, JCAP, 07 (2016), 038.

Phone: +49 (89) 289 - 53625

E-Mail: ge82qog@mytum.de

Room: 3101

Research areas:

• expansion rate
• gravitational lensing
• automatic differentiation
• dark matter

Selected publications:

Wang, H., Cañameras, R., Caminha, G. B., Suyu, S. H., Yıldırım, A., Chirivì, G., Christensen, L., Grillo, C., & Schuldt, S. (2022). “Constraining the multi-scale dark-matter distribution in CASSOWARY 31 with strong gravitational lensing and stellar dynamics”, A&A, 668, A162.

Wang, H., Cañameras, R., Suyu, S. H., Galan, A., Grillo, C., Caminha, G. B., & Christensen, L. (2024). “Strong-lensing and kinematic analysis of CASSOWARY 31: Can strong lensing constrain the masses of multi-plane lenses?”, A&A, 690, A1.

Wang, H., Suyu, S. H., Galan, A., Halkola, A., Cappellari, M., Shajib, A. J., & Cernetic, M. (2025). “GPU-Accelerated Gravitational Lensing & Dynamical (GLaD) Modeling for Cosmology and Galaxies”, A&A, 701, A280.

Phone: +49 (89) 289 - 53621

E-Mail: 

Room: 3005

Research areas:

• Gravitational Lensing
• Strongly Lensed Supernovae
• Dark matter

Selected publications:

Xie, Y., Shan, H., Li, N., Li, R., Jullo, E., Su, C., Cao, X., Kneib, J.-P., Acebron, A., He, M., Yao, J., Wang, C., Li, J., & Li, Y. (2024). "CURLING - I. The Influence of Point-like Image Approximation on the Outcomes of Cluster Strong Lens Modeling", MNRAS, 531, 1179-1190.

Xie, Y., Shan, H., Shu, Y., Li, N., Yao, J., Li, R., Cao, X., He, Z., Li, Y., Jullo, E., Kneib, J.-P., & Li, G. (2025). "CURLING - II. Improvement on the H0 Inference from Pixelized Cluster Strong Lens Modeling", MNRAS, 544, 708-716.

Xie, Y., Chen, X., Feng, S., Yan, Z., Shan, H., et al. (2026). "Mock Observations for the CSST Mission: Multi-Channel Imager—The Cluster Field", Res. A&A., 26, 024007.

Euclid Collaboration: Bergamini, P., Meneghetti, M., Acebron, A., et al. (2026). "Euclid Quick Data Release (Q1). The first catalogue of strong-lensing galaxy clusters", A&A, Forthcoming article.

Wang, L., Shan, H., Nie, L., Cheng, C., Yuan, F., Cui, Q., Li, G., Xie, Y., Liu, D., Liu, Y., Fang, M., Li, N., Jia, P., Li, R., Liu, F., Shu, Y., Chang, J., Wei, C., Qu, H., Zheng, W., Zhu, L., & Kang, X. (2025). "UPdec-Webb: A Revised Dataset for the Coaddition of the JWST NIRCam Images", ApJS, 276, 36.

Chen, Z., Xie, Y., Lu, Y., Shan, H., Li, N., Luo, Y., & Guo, X. (2024). "Detection Rate of Galaxy Cluster Lensed Stellar Binary Black Hole Mergers by the Third-generation Gravitational Wave Detectors", ApJ, 977, 64.

Phone: +49 (89) 289 - 53626

E-Mail: elias.mamuzic@tum.de

Room: 3101

Research areas:

• Strong lensing
• Tidal disruption events
• Microlensing

Selected publications:

E. Mamuzic, T. Ryu, S. H. Suyu, K. Szekerczes, S. Huber, L. Dai, and M. Oguri (2025). “Rates of strongly lensed tidal disruption events - A comprehensive investigation of black hole, luminosity, and temperature dependencies", A&A, 701, A142.

Phone: +49 (89) 218 - 05978

E-Mail: ecker@usm.lmu.de

Room: 

Research areas:

• Strong lens modeling
• Dark Matter
• Galaxy Evolution
• Time Delay Cosmography

Selected Publications:

Queirolo, G., Seitz, S., Riffeser, A., Kluge, M., Ecker, L. R., Bender, R., Gössl, C., Hopp, U., Ries, C., Schmidt, M., et al. (2025). "Time-delay cosmography: analysis of quadruply lensed QSO SDSSJ1433 from Wendelstein Observatory", MNRAS, 542, 170-202.

Euclid Collaboration: Ecker, L. R., Fabricius, M., Seitz, S., Saglia, R., Lines, N. E. P., Holloway, P., Li, T., Verma, A., Balzer, F., Jin, Q., et al. (2026). "Euclid Quick Data Release (Q1). The Strong Lensing Discovery Engine F -- Bright and low-redshift strong lenses", arXiv preprint arXiv:2603.28580.

Ecker, L. R., Schweinfurth, A. G., Saglia, R., Deng, L., Suyu, S. H., Saulder, C., Snigula, J., Bender, R., Cañameras, R., Chen, T.-W., et al. (2026). "HOLISMOKES XX. Lens models of binary lens galaxies with five images of Supernova Winny", arXiv preprint arXiv:2602.16620.

Phone: +49 (89) 289 - 53624

E-Mail: limeng.deng@tum.de

Room: 3101

Research areas:

• Strong lensing
• Lens modeling
• Time delay cosmography
• Galaxy evolution

Selected Publications:

Deng, L., Shu, Y., Wang, L., Li, G., Caminha, G. B., Dong, J., He, Z., Qu, H., & Luo, R. (2025). "Discovery of a Low-mass Strong-lens System in SMACS J0723.3‑7327", ApJL, 982(1), L23.

Phone: +49 (89) 289 - 53626

E-Mail: allan.g.schweinfurth@tum.de

Room: 3101

Research areas:

• Strong Gravitational Lensing
• Time-Delay Cosmography
• Lensed Quasars and Supernovae
• Lens modelling
• Line of Sight Convergence

Selected Publications:

Dux, F., Millon, M., Lemon, C., Schmidt, T., Courbin, F., Shajib, A. J., Treu, T., Birrer, S., Wong, K. C., Agnello, A., et al. (2025). "J1721+8842: The first Einstein zigzag lens", A&A, 694, A300.

Taubenberger, S., Acebron, A., Cañameras, R., Chen, T.-W., Galan, A., Grillo, C., Melo, A., Schuldt, S., Schweinfurth, A. G., Suyu, S. H., et al. (2025). "HOLISMOKES XIX: SN 2025wny at z=2, the first strongly lensed superluminous supernova", arXiv preprint arXiv:2510.21694.

Ecker, L. R., Schweinfurth, A. G., Saglia, R., Deng, L., Suyu, S. H., Saulder, C., Snigula, J., Bender, R., Cañameras, R., Chen, T.-W., et al. (2026). "HOLISMOKES XX. Lens models of binary lens galaxies with five images of Supernova Winny", arXiv preprint arXiv:2602.16620.

Phone: +49 (89) 289 - 53626

E-Mail: lina.witti@tum.de

Room: 3101

Research areas:

• Transient Search
• Galaxy clusters

Phone: +49 (89) 289 - 53624

E-Mail: carla.schmitt@tum.de

Room: 3101

Research areas:

• Transient Search
• Galaxy Clusters