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HST-Based Lens Model of SDSS J1226+2152, in Preparation for JWST-ERS TEMPLATES

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arxiv 2207.05709 v2 pith:XGUM5U54 submitted 2022-07-12 astro-ph.GA

Keren Sharon , Catherine Cerny , Jane R. Rigby , Michael K. Florian , Matthew B. Bayliss , Hakon Dahle , Michael D. Gladders , Guillaume Mahler This is my paper
classification astro-ph.GA
keywords jwstlenslensedlensingmodelformationjwst-ersobservations
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The strongly lensed z=2.9233 Lyman break galaxy, SGAS J122651.3+215220, lensed by a cluster at z=0.4358, was first targeted by JWST as part of the JWST-ERS program TEMPLATES: Targeting Extremely Magnified Panchromatic Lensed Arcs and their Extended Star formation. Aiming to combine the exquisite capabilities of JWST with the extreme magnification provided by strong gravitational lensing, these observations will peer into galaxies at cosmic noon and probe the building blocks of star formation. Here, we present an Hubble Space Telescope strong lensing analysis, lens model, source-plane interpretation, and the lensing outputs needed to analyze the JWST observations in the context of the source's intrinsic properties. The lens model outputs are made publicly available to the community through the Mikulski Archive for Space Telescopes (MAST) Portal.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. JWST absorption line spectroscopy with SPURS: ISM covering fractions and kinematics in individual galaxies at $z=5-9$

    astro-ph.GA 2026-06 unverdicted novelty 7.0 of 10

    JWST spectra of six z=5-9 galaxies show low-ionization covering fractions of 0.2-0.9 and diverse kinematics including blueshifted outflows, indicating heterogeneous multiphase ISM.

  2. LEGGOS I: The JWST LEGGOS Survey -- LEnsing and Galaxy Growth: Observing Substructures -- Unpacks the Nature of Clumpy Star Formation and Quenching in Gravitationally Lensed Galaxies beyond Cosmic Noon

    astro-ph.GA 2026-06 conditional novelty 6.0 of 10

    A JWST survey of eight gravitationally lensed galaxies at z=2-4 resolves 10-200 pc star-forming clumps and finds early evidence of recently quenched, post-starburst clumps.

  3. LEGGOS I: The JWST LEGGOS Survey -- LEnsing and Galaxy Growth: Observing Substructures -- Unpacks the Nature of Clumpy Star Formation and Quenching in Gravitationally Lensed Galaxies beyond Cosmic Noon

    astro-ph.GA 2026-06 unverdicted novelty 4.0 of 10

    LEGGOS presents a uniform framework that jointly models lensing, photometry, and integral-field spectroscopy to disentangle stellar populations in clumps of high-redshift lensed galaxies.

  4. Hamilton's Object Revisited: A challenging source redshift of a strong lensing configuration

    astro-ph.GA 2026-04 unverdicted novelty 2.0 of 10

    Re-analysis of KCWI spectra with PypeIt confirms Hamilton's object redshift at z=0.820, showing the MOIRCS z=3.2 fit is worse and the earlier data inconclusive due to slit coverage and calibration issues.

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