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Dive into the research topics where Simon Birrer is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
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Measuring H0 with Deep NIRcam imaging of the next generation of time-delay lenses
Birrer, S. (PI)
NASA Goddard Space Flight Center
01/1/26 → 12/31/28
Project: Research
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Probing Dark Energy with Strong Gravitational Lensing in the Era of the Vera C. Rubin Observatory
Birrer, S. (PI)
09/1/25 → 08/31/26
Project: Research
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Post Doc Support for Dr. Narayan Khadka: Legacy Survey of Space and Time (LSST) Dark Energy Collaboration (DESC) Pipeline Scientist Support
Birrer, S. (PI) & Khadka, N. (CoPI)
07/1/24 → 09/30/27
Project: Research
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AURA: Enhancing the Roman Cosmology Program with Strongly Lensed Supernovae
Birrer, S. (PI)
NASA Goddard Space Flight Center
11/21/23 → 11/20/26
Project: Research
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Preparing for a leap: Precursor Strong Lensing Science with Roman Towards Precision Cosmology
Birrer, S. (PI)
NASA Goddard Space Flight Center
10/23/23 → 10/22/26
Project: Research
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Discovering Strong Gravitational Lenses in the Dark Energy Survey with Interactive Machine Learning and Crowd-sourced Inspection with Space Warps
(DES Collaboration), May 10 2026, In: Astrophysical Journal. 1002, 2Research output: Contribution to journal › Article › peer-review
Open Access -
TDCOSMO: XXIII. Measurement of the Hubble constant from the doubly lensed quasar HE 1104-1805
Paic, E., Courbin, F., Fassnacht, C. D., Galan, A., Millon, M., Sluse, D., Williams, D. M., Birrer, S., Buckley-Geer, E. J., Cappellari, M., Dux, F., Huang, X. Y., Knabel, S., Lemon, C., Shajib, A. J., Suyu, S. H., Treu, T., Wong, K. C., Christensen, L. & Motta, V. & 1 others, , Feb 1 2026, In: Astronomy and Astrophysics. 706, A270.Research output: Contribution to journal › Article › peer-review
Open Access -
TDCOSMO XXIV. First spatially resolved kinematics of the lens galaxy obtained using JWST-NIRSpec to improve time-delay cosmography
Shajib, A. J., Treu, T., Suyu, S. H., Law, D., Yıldırım, A., Cappellari, M., Galan, A., Knabel, S., Wang, H., Birrer, S., Courbin, F., Fassnacht, C. D., Frieman, J. A., Melo, A., Morishita, T., Mozumdar, P., Sluse, D. & Stiavelli, M., Mar 1 2026, In: Astronomy and Astrophysics. 707, A314.Research output: Contribution to journal › Article › peer-review
Open Access1 Scopus citations -
XXII. Triaxiality and projection effects in time-delay cosmography
Huang, X. Y., Birrer, S., Cappellari, M., Treu, T., Knabel, S. & Sluse, D., Jan 1 2026, In: Astronomy and Astrophysics. 705, A150.Research output: Contribution to journal › Article › peer-review
Open Access2 Scopus citations -
A HALO MODEL APPROACH FOR MOCK CATALOGS OF TIME-VARIABLE STRONG GRAVITATIONAL LENSES
LSST DARK ENERGY SCIENCE COLLABORATION, 2025, In: Open Journal of Astrophysics. 8Research output: Contribution to journal › Article › peer-review
Open Access8 Scopus citations