24 citations · 92 across the 22 of their papers we have counts for
22 papers
JWST Spatial-Spectral Mapping of Green Comet C/2022 E3 (ZTF)
Stefanie N. Milam, Nathan X. Roth, Geronimo L. Villanueva +9
We report a survey of molecular emission from cometary volatiles using the James Webb Space Telescope (JWST) toward Oort cloud comet C/2022 E3 (ZTF) carried out on UT 2023 February…
PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time Domain Field VI: Multiwavelength SED Analysis
Rafael Ortiz, Francesca Civano, Rogier A. Windhorst +27
We model spectral energy distributions of 261 X-ray sources to in the North Ecliptic Pole Time Domain Field, extending prior XMM-Newton and NuSTAR analyses. Using the st…
JWST Observations of Asteroid 2024 YR4 Rule Out a 2032 Lunar Impact and Demonstrate a New Regime for Planetary Defense Follow-up
Julien de Wit, Andrew S. Rivkin, Marco Micheli +12
At the end of its discovery apparition, the 60 m near-Earth object 2024 YR4 was associated with a non-zero probability of lunar impact during its 2032 December 22 close appro…
PEARLS: Two Distinct Populations of AGN Hosts Moving Between Star Formation and Quiescence
Gibson B. Bowling, Rafael Ortiz, S. P. Willner +29
We present the results of AGN--host-galaxy decomposition using JWST/NIRCam, HST/ACS, and HST/WFC3 imaging of the North Ecliptic Pole Time Domain Field (NEP-TDF). The light-profiles…
JWST occultation reveals unforeseen complexity in Chariklo's ring system
Pablo Santos-Sanz, Altair R. Gomes-Júnior, Bruno E. Morgado +25
Ring systems have been discovered around several small bodies in the outer Solar System through stellar occultations. While such measurements provide key information about ring geo…
JWST/NIRSpec Observations of Salacia-Actaea and Máni: Exploring Population-level Trends among Water-ice-rich Kuiper Belt Objects
Ian Wong, Bryan J. Holler, Silvia Protopapa +9
We present observations of the midsized Kuiper Belt objects (KBOs) SalaciaActaea and Máni, obtained with the Near-Infrared Spectrograph on JWST. The satellite Actaea was fully b…
Peering into the heart of darkness with VLBA : Radio Quiet AGN in the JWST North Ecliptic Pole Time-Domain Field
Payaswini Saikia, Ramon Wrzosek, Joseph Gelfand +27
We present initial results from the 4.8 GHz Very Long Baseline Array (VLBA) survey of the JWST North Ecliptic Pole Time-Domain Field (TDF). From 106 radio sources found in the Karl…
Spectral trends across the rings and inner moons of Uranus and Neptune from JWST NIRCam images
M. M. Hedman, I. de Pater, R. Cartwright +8
JWST NIRCam images provide low-resolution spectra of the rings and inner moons orbiting Uranus and Neptune. These data reveal systematic variations in spectral parameters like the…
PEARLS: 21 Transients Found in the Three-Epoch NIRCam Observations in the Continuous Viewing Zone of the James Webb Space Telescope
Haojing Yan, Bangzheng Sun, Zhiyuan Ma +39
We present 21 transients from our three-epoch, four-band NIRCam observations covering 14.16 arcmin^2 in the Spitzer IRAC Dark Field (IDF), taken by the JWST Prime Extragalactic Are…
The Atmosphere of Titan in Late Northern Summer from JWST and Keck Observations
Conor A. Nixon, Bruno Bézard, Thomas Cornet +42
Saturn's moon Titan undergoes a long annual cycle of 29.45 Earth years. Titan's northern winter and spring were investigated in detail by the Cassini-Huygens spacecraft (2004-2017)…
Multi-wavelength JWST observations of (3200) Phaethon show a dehydrated object with an aqueously altered origin
Cristina A. Thomas, Andrew S. Rivkin, Ian Wong +10
We present JWST observations of the near-Earth asteroid (3200) Phaethon using the Near-Infrared Camera (NIRCam), Near-Infrared Spectrograph (NIRSpec), and Mid-Infrared Instrument (…
The Thermal Structure and Composition of Jupiter's Great Red Spot From JWST/MIRI
Jake Harkett, Leigh N. Fletcher, Oliver R. T. King +15
Jupiter's Great Red Spot (GRS) was mapped by the James Webb Space Telescope (JWST)/Mid-Infrared Instrument (4.9-27.9 micron) in July and August 2022. These observations took place…
Unveiling the ice and gas nature of active centaur (2060) Chiron using the James Webb Space Telescope
N. Pinilla-Alonso, J. Licandro, R. Brunetto +15
(2060) Chiron is a large centaur that has been reported active on multiple occasions including during aphelion passage. Studies of Chirons coma during active periods have resulted…
PEARLS: Discovery of Point-Source Features Within Galaxies in the North Ecliptic Pole Time Domain Field
Rafael Ortiz, Rogier A. Windhorst, Seth H. Cohen +36
The first public 0.9-4.4μm NIRCam images of the North Ecliptic Pole (NEP) Time Domain Field (TDF) uncovered galaxies displaying point-source features in their cores as seen in the…
Water-Ice Dominated Spectra of Saturn's Rings and Small Moons from JWST
M. M. Hedman, M. S. Tiscareno, M. R. Showalter +11
JWST measured the infrared spectra of Saturn's rings and several of its small moons (Epimetheus, Pandora, Telesto and Pallene) as part of Guaranteed Time Observation program 1247.…
TREASUREHUNT: Transients and Variability Discovered with HST in the JWST North Ecliptic Pole Time Domain Field
Rosalia O'Brien, Rolf A. Jansen, Norman A. Grogin +56
The JWST North Ecliptic Pole (NEP) Time Domain Field (TDF) is a 14 arcmin diameter field optimized for multi-wavelength time-domain science with JWST. It has been observed acros…
JWST's PEARLS: Improved Flux Calibration for NIRCam
Zhiyuan Ma, Haojing Yan, Bangzheng Sun +23
The Prime Extragalactic Areas for Reionization and Lensing Science (PEARLS), a JWST GTO program, obtained a set of unique NIRCam observations that have enabled us to significantly…
Near to Mid-Infrared Spectroscopy of (65803) Didymos as observed by JWST: Characterization Observations Supporting the Double Asteroid Redirection Test
Andrew S. Rivkin, Cristina A. Thomas, Ian Wong +17
The Didymos binary asteroid was the target of the Double Asteroid Redirection Test (DART) mission, which intentionally impacted Dimorphos, the smaller member of the binary system.…
PEARLS: JWST counterparts of micro-Jy radio sources in the Time Domain Field
S. P. Willner, H. B. Gim, M. del Carmen Polletta +38
The Time Domain Field (TDF) near the North Ecliptic Pole in JWST's continuous-viewing zone will become a premier "blank field" for extragalactic science. JWST/NIRCam data in a 16 a…
Saturn's Atmosphere in Northern Summer Revealed by JWST/MIRI
Leigh N. Fletcher, Oliver R. T. King, Jake Harkett +8
Saturn's northern summertime hemisphere was mapped by JWST/MIRI (4.9-27.9 m) in November 2022, tracing the seasonal evolution of temperatures, aerosols, and chemical species in…
JWST molecular mapping and characterization of Enceladus' water plume feeding its torus
G. L. Villanueva, H. B. Hammel, S. N. Milam +18
Enceladus is a prime target in the search for life in our solar system, having an active plume likely connected to a large liquid water subsurface ocean. Using the sensitive NIRSpe…
EPOCHS Paper II: The Ultraviolet Luminosity Function from using 180 square arcminutes of deep, blank-fields from the PEARLS Survey and Public JWST data
Nathan J. Adams, Christopher J. Conselice, Duncan Austin +34
We present an analysis of the ultraviolet luminosity function (UV LF) and star formation rate density of distant galaxies () in the `blank' fields of the Prime Extr…