91 citations · 380 across the 65 of their papers we have counts for
26 papers · 1 filter
Ionizing Photon Production Efficiencies and Chemical Abundances at Cosmic Dawn Revealed by Ultra-Deep Rest-Frame Optical Spectroscopy of JADES-GS-z14-0
Jakob M. Helton, Jane E. Morrison, Kevin N. Hainline +40
JWST has discovered an early period of galaxy formation that was more vigorous than expected, which has challenged our understanding of the early Universe. In this work, we present…
Little red dot variability over a century reveals black hole envelope via a giant Einstein cross
Zijian Zhang, Mingyu Li, Masamune Oguri +79
"Little red dots" (LRDs) represent a new population of astronomical objects uncovered by JWST whose nature remains debated. Although many LRDs are suspected as active galactic nucl…
No Luminous Little Red Dots: A Sharp Cutoff in Their Luminosity Function
Yilun Ma, Jenny E. Greene, Marta Volonteri +14
One of the most surprising results of early James Webb Space Telescope (JWST) observations is the discovery of an abundance of red, compact, broad-line objects dubbed "little red d…
Quasar Radiative Feedback May Suppress Galaxy Growth on Intergalactic Scales at
Yongda Zhu, Eiichi Egami, Xiaohui Fan +27
We present observational evidence that intense ionizing radiation from a luminous quasar suppresses nebular emission in nearby galaxies on intergalactic scales at . Using JW…
Discovery of a Pair of Galaxies with Both Hosting X-ray Binary Candidates at
Sijia Cai, Zheng Cai, Jianwei Lyu +6
Among high-redshift galaxies, aside from active galactic nuclei (AGNs), X-ray binaries (XRBs) can be significant sources of X-ray emission. XRBs play a crucial role in galaxy evolu…
A Metal-Free Galaxy at ? Evidence of Late Population III Star Formation at Cosmic Noon
Sijia Cai, Mingyu Li, Zheng Cai +10
Star formation from metal-free gas, the hallmark of the first generation of Population III stars, was long assumed to occur only in the very early Universe. We report the discovery…
The Discovery of Little Red Dots in the Local Universe: Signatures of Cool Gas Envelopes
Xiaojing Lin, Xiaohui Fan, Zheng Cai +25
JWST observations have revealed a population of high-redshift "little red dots" (LRDs) that challenge conventional AGN models. We report the discovery of three local LRDs at $z = 0…
The Identification of Two JWST/NIRCam-Dark Starburst Galaxies at with ALMA
Fengwu Sun, Jinyi Yang, Feige Wang +20
We analyze two dusty star-forming galaxies at . These galaxies are selected from the ASPIRE survey, a JWST Cycle-1 medium and ALMA Cycle-9 large program targeting 25 quasars…
A 13-Billion-Year View of Galaxy Growth: Metallicity Gradient Evolution from the Local Universe to with JWST and Archival Surveys
Zihao Li, Zheng Cai, Xin Wang +25
The galaxy gas-phase metallicity gradients have been extensively studied over the past four decades, both in the local and high-redshift universe, as they trace the baryon cycle an…
JWST lens model for A370: A very low dark matter fraction for a brightest cluster galaxy and lensing properties for the Dragon arc
Jose M. Diego, Fengwu Sun, Jose M. Palencia +8
We present a new lens model for the galaxy cluster Abell 370 based on previously spectroscopically confirmed lensed galaxies and new lensed systems identified in JWST dat…
The Cosmic Owl: Twin Active Collisional Ring Galaxies with Starburst Merging Front at
Mingyu Li, Bjorn H. C. Emonts, Zheng Cai +12
Galaxy mergers play a critical role in driving galaxy evolution, especially by transforming galaxy morphology, redistributing gas around galaxies, triggering active galactic nuclei…
NEXUS: A Spectroscopic Census of Broad-line AGNs and Little Red Dots at
Ming-Yang Zhuang, Junyao Li, Yue Shen +5
We present a spectroscopic sample of 23 broad-line AGNs (BLAGNs) at selected using F322W2+F444W NIRCam/WFSS grism spectroscopy of the central 100 ${\rm arcm…
SAPPHIRES: Extremely Metal-Poor Galaxy Candidates with at from Deep JWST/NIRCam Grism Observations
Tiger Yu-Yang Hsiao, Fengwu Sun, Xiaojing Lin +19
Population III stars, the hypothetical first generation metal-free stars, have yet to be discovered. Even after three years of successful JWST operations, studies have shown that m…
The Large-scale Environments of Low-luminosity AGNs at and Implications for Their Host Dark Matter Halos from a Complete NIRCam Grism Redshift Survey
Xiaojing Lin, Xiaohui Fan, Fengwu Sun +19
We study the large-scale environments and clustering properties of 28 low-luminosity AGNs at in the GOODS-N field. Our sample, identified from the JWST NIRCam Imaging and…
Abundant Population of Broad H Emitters in the GOODS-N Field Revealed by CONGRESS, FRESCO, and JADES
Junyu Zhang, Eiichi Egami, Fengwu Sun +15
We present a spectroscopic search for broad H emitters at z3.7-6.5 in the GOODS-N field, utilizing JWST/NIRCam slitless spectroscopy from FRESCO and CONGRESS, complemen…
Counting Little Red Dots at with Ground-based Surveys and Spectroscopic Follow-up
Yilun Ma, Jenny E. Greene, David J. Setton +13
Little red dots (LRDs) are a population of red, compact objects discovered by JWST at . At , they are roughly 100 times more abundant than UV-selected quasars. However,…
The First Photometric Evidence of a Transient/Variable Source at z>5 with JWST
Christa DeCoursey, Eiichi Egami, Fengwu Sun +27
The James Webb Space Telescope (JWST) discovered 79 transients out to 4.8 through the JADES Transient Survey (JTS), but the JTS did not find any 5 transients. Here,…
Extreme Neutral Outflow in a non-AGN Quiescent Galaxy at z~1.3
Yang Sun, Zhiyuan Ji, George H. Rieke +8
We report the discovery of a substantial sodium doublet (Na D 5890, 5896Å)-traced neutral outflow in the quiescent galaxy JADES-GS-206183 at . Its JWST/NIRSpec-MSA spe…
Bridging Quasars and Little Red Dots: Insights into Broad-Line AGNs at from the First JWST COSMOS-3D Dataset
Xiaojing Lin, Xiaohui Fan, Feige Wang +30
We report the discovery of 13 broad-line AGNs at from the first 10% data of the JWST Cycle 3 Treasury Program COSMOS-3D. These AGNs are identified by their broad H o…
The Luminosity Function and Clustering of H Emitting Galaxies at from a Complete NIRCam Grism Redshift Survey
Xiaojing Lin, Eiichi Egami, Fengwu Sun +20
We study the luminosity function (LF) and clustering properties of 888 H emitters (HAEs) at in the GOODS-N field. The sample, built from JWST CONGRESS and FRESCO…
The dawn of disks: unveiling the turbulent ionised gas kinematics of the galaxy population at with JWST/NIRCam grism spectroscopy
A. Lola Danhaive, Sandro Tacchella, Hannah Übler +27
Recent studies of gas kinematics at high redshift have reported disky systems which appear to challenge models of galaxy formation, but it is unclear whether they are representativ…
SAPPHIRES: A Galaxy Over-Density in the Heart of Cosmic Reionization at
Yoshinobu Fudamoto, Jakob M. Helton, Xiaojing Lin +17
We report the discovery of a galaxy proto-cluster candidate (dubbed MACS0416-OD-z8p5) at a spectroscopic redshift of , dating back to Myr after the Big Bang. Th…
Slitless Areal Pure-Parallel HIgh-Redshift Emission Survey (SAPPHIRES): Early Data Release of Deep JWST/NIRCam Images and Spectra in MACS J0416 Parallel Field
Fengwu Sun, Yoshinobu Fudamoto, Xiaojing Lin +25
We present the early data release (EDR) of SAPPHIRES, a JWST Cycle-3 Treasury imaging and spectroscopic survey using the powerful NIRCam wide-field slitless spectroscopic (WFSS) mo…
Medium-band Astrophysics with the Grism of NIRCam In Frontier fields (MAGNIF): Spectroscopic Census of H Luminosity Functions and Cosmic Star Formation at and 6.3
Shuqi Fu, Fengwu Sun, Linhua Jiang +35
We measure H luminosity functions (LFs) at redshifts and 6.3 using the JWST MAGNIF (Medium-band Astrophysics with the Grism of NIRCam In Frontier fields) survey. MA…