TDCOSMO XXIX: JWST/NIRSpec IFU Spatially Resolved Kinematics of Three Time-delay Lenses

arXiv:2609.03089 · astro-ph.CO, astro-ph.GA · Submitted 2026-09-02 · Read on arXiv

astro-ph.CO, astro-ph.GA

Submitted: 2026-09-02

Updated: 2026-09-02

Comments: 23 pages, 18 figures, 6 tables; submitted to Physical Review D

Code: https://github.com/ajshajib/regaljumper

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Aperture — 28× in this paper
• Velocity Dispersion — 26× in this paper · explained in 2 episodes
• Core — 11× in this paper · explained in 2 episodes
• Calibration — 8× in this paper · explained in 9 episodes
• Trace — 5× in this paper · explained in 2 episodes
• Accuracy — 2× in this paper · explained in 1 episode
• Consistency — 2× in this paper · explained in 3 episodes
• Degeneracy — 2× in this paper · explained in 4 episodes
• Hubble Tension — 1× in this paper · explained in 9 episodes
• Micro-Shutter Assembly — 1× in this paper
• Robustness — 1× in this paper · explained in 6 episodes
• X-shooter Spectral Library — 1× in this paper

Sources

• Planck 2018 results. VI. Cosmological parameters
• A Comprehensive Measurement of the Local Value of the Hubble Constant with 1 km/s/Mpc Uncertainty from the Hubble Space Telescope and the SH0ES Team
• Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
• The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
• Time Delay Cosmography
• Strong lensing time-delay cosmography in the 2020s
• H0LiCOW XIII. A 2.4% measurement of $H_{0}$ from lensed quasars: $5.3\sigma$ tension between early and late-Universe probes
• TDCOSMO 2025: Cosmological constraints from strong lensing time delays
• Mass-sheet degeneracy, power-law models and external convergence: Impact on the determination of the Hubble constant from gravitational lensing
• TDCOSMO IV: Hierarchical time-delay cosmography -- joint inference of the Hubble constant and galaxy density profiles
• TDCOSMO V: strategies for precise and accurate measurements of the Hubble constant with strong lensing
• TDCOSMO. XII. Improved Hubble constant measurement from lensing time delays using spatially resolved stellar kinematics of the lens galaxy
• The Near-Infrared Spectrograph (NIRSpec) on the James Webb Space Telescope III. Integral-field spectroscopy
• TDCOSMO XXIV. First spatially resolved kinematics of the lens galaxy obtained using JWST-NIRSpec to improve time-delay cosmography
• The internal structure of the lens PG1115+080: breaking degeneracies in the value of the Hubble Constant
• H0LiCOW XII. Lens mass model of WFI2033-4723 and blind measurement of its time-delay distance and $H_0$
• HE 0435-1223: a wide separation quadruple QSO and gravitational lens
• WFI J2026-4536 and WFI J2033-4723: Two New Quadruple Gravitational Lenses
• The Lens Redshift and Group Environment for HE 0435-1223
• Keck Spectroscopy of the Gravitational Lens System PG 1115+080: Redshifts of the Lensing Galaxies

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