Author

J. Lyu

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Preprint Sep 2026

An Archival Calibration of JWST/MIRI Prism Wide-Field Slitless Spectroscopy: Methodology, Performance, and a Mid-Infrared Spectral Atlas of Galaxies at $z=0-4$ in the GOODS-N/S Fields

Through the Low Resolution Spectroscopy (LRS) observing mode of JWST/MIRI, the P750L prism disperses the entire ~70"$\times$110"imager field, turning MIRI into a wide-field slitless spectrograph (WFSS) at 5-14 $\mu$m with spectral resolution $R\sim100$. Using archival MIRI LRS data taken in the GOODS-N/S deep fields an...

Feng-Wu Sun, J. Álvarez-Márquez, E. Egami et al. · 0 citations

Preprint Sep 2026

COSMOS-3D: Diverse Environments and Hot-dust Signatures among Dusty Star-forming Galaxies at $z$ = 4.9-7.2

Dusty star-forming galaxies (DSFGs) are expected to trace early massive-halo assembly, but the connection between dust-obscured star formation, morphology, hot dust, and environment remains unclear at $z$>4. We combine JWST/NIRCam F444W grism spectroscopy from COSMOS-3D with MIRI F1000W/F2100W imaging and a mixed ALMA-...

S. Zou, M. Aravena, Shao-Ze Geng et al. · 0 citations

Review Open access Sep 2026

Q-IFU: A JWST/NIRSpec Integral Field Unit Survey of Luminous Quasars at z ∼ 5–6: Rest-frame Optical Nuclear Properties and Extended Nebulae

It remains debatable how billion-solar-mass supermassive black holes (SMBHs) form and evolve within the first billion years. We report results from a James Webb Space Telescope (JWST)/NIRSpec integral field unit (IFU) survey of 27 luminous quasars at z ∼ 5–6, enabling a systematic investigation of their key physical pr...

Wei-Zhe Liu, Xiao-Hui Fan, Richard Green et al. · Astrophysical Journal · 0 citations

Review Open access Sep 2026

Spatially Resolved Active Galactic Nucleus Ionization and Star Formation at Cosmic Noon with JWST/JEMS

At cosmic noon (z ≈ 2–3), both star formation and active galactic nucleus (AGN) activity peaked, each playing a significant role in ionizing interstellar gas on galaxy-wide scales. The spatial distribution of this ionized gas provides a direct probe of how AGN and stellar ionization influence the gaseous reservoirs of...

S. Lebowitz, K. Hainline, Stéphanie Juneau et al. · Astrophysical Journal · 0 citations

Preprint Jul 2026

PhotoIFU: NIRCam as a Photometric Integral Field Unit for Mapping Feedback in Galaxies

We present PhotoIFU, a workflow that uses deep multi-band imaging as a low-resolution photometric integral field unit. Applied to PSF-matched JWST/NIRCam imaging, PhotoIFU treats each spatial pixel as a coarse SED element and fits the pixel SEDs with Prospector to map resolved stellar-population and ISM-related propert...

Yong-Da Zhu, M. Rieke, Courtney Carreira et al. · 0 citations