Results 121 to 130 of about 405,217 (280)

Glimmers in the Cosmic Dawn: A Census of the Youngest Supermassive Black Holes by Photometric Variability

open access: yesThe Astrophysical Journal Letters
We report the first results from a deep near-infrared campaign with the Hubble Space Telescope to obtain late-epoch images of the Hubble Ultra Deep Field, 10–15 yr after the first epoch data were obtained.
Matthew J. Hayes   +12 more
doaj   +1 more source

Quasars as Absorption Probes of the Hubble Deep Field [PDF]

open access: yesThe Astronomical Journal, 1999
22 pages including figures; AJ, in ...
Liu, Charles   +3 more
openaire   +2 more sources

Modeling Jovian Plasma‐Europa Interactions: Innovative Atmosphere and Ionosphere Depiction for JUICE Mission Insights

open access: yesJournal of Geophysical Research: Space Physics, Volume 130, Issue 11, November 2025.
Abstract The JUpiter ICy moons Explorer (JUICE) mission, launched by the European Space Agency (ESA) in April 2023, aims to explore Jupiter and its icy moons, particularly focusing on Europa, Ganymede, and Callisto. This study uses the Latmos Hybrid Simulation (LatHyS) model to simulate Europa's plasma and field environment, emphasizing the upcoming ...
C. Baskevitch   +6 more
wiley   +1 more source

MIDIS: JWST/MIRI Reveals the Stellar Structure of ALMA-selected Galaxies in the Hubble Ultra Deep Field at Cosmic Noon

open access: yesThe Astrophysical Journal
We present deep James Webb Space Telescope (JWST)/Mid-Infrared Instrument (MIRI) F560W observations of a flux-limited, Atacama Large Millimeter/submillimeter Array (ALMA)-selected sample of 28 galaxies at z = 0.5–3.7 in the Hubble Ultra Deep Field (HUDF).
Leindert A. Boogaard   +32 more
doaj   +1 more source

Near-infrared emission-line galaxies in the Hubble Deep Field North [PDF]

open access: yes, 2000
We present the 2.12~$\mu$m narrow-band image of the Hubble Deep Field North taken with the near-infrared camera (CISCO) on the Subaru telescope. Among five targets whose H$\alpha$ or [O~{\sc iii}] emission lines are redshifted into our narrow-band range ...
Goto, M.   +14 more
core   +4 more sources

The Assembly of Massive Galaxies from Near-Infrared Observations of the Hubble Deep Field-South [PDF]

open access: yes, 2003
We use a deep KAB ≤ 25 galaxy sample in the Hubble Deep Field-South to trace the evolution of the cosmological stellar mass density from z ≃ 0.5 to z ≃ 3. We find clear evidence for a decrease of the average stellar mass density at high redshift, 2 ≤ z ≤
A. Fontana   +13 more
semanticscholar   +1 more source

Using Vp$V_p$ and Vs$V_s$ to characterize the spatial extent of shear strengthening under a longleaf pine

open access: yesNear Surface Geophysics, Volume 23, Issue 5, Page 521-534, October 2025.
Abstract Tree roots modify the elastic and mechanical properties of soil. High‐resolution seismic refraction surveys offer a novel, noninvasive approach to characterize how roots impact the elastic properties of soil beneath trees. This study presents two perpendicular profiles of P‐wave (Vp$V_p$) and transversely polarized S‐wave (Vs$V_s$) velocities ...
Brady A. Flinchum
wiley   +1 more source

Deep Swift/UVOT Observations of GOODS-N and the Evolution of the Ultraviolet Luminosity Function at 0.2 < z < 1.2

open access: yesThe Astrophysical Journal
We present Swift Ultraviolet Optical Telescope (UVOT) observations of the deep field GOODS-N in four near-UV filters. A catalog of detected galaxies is reported, which will be used to explore galaxy evolution using UV emission.
Alexander Belles   +4 more
doaj   +1 more source

Near Infrared Imaging of the Hubble Deep Field with The Keck Telescope [PDF]

open access: yes, 1996
Two deep K-band ($2.2 \mu m$) images, with point-source detection limits of $K=25.2$ mag (one sigma), taken with the Keck Telescope in subfields of the Hubble Deep Field, are presented and analyzed.
Armus, Lee   +6 more
core   +3 more sources

Galaxy-Galaxy Lensing in the Hubble Deep Field: The Halo Tully-Fisher Relation at Intermediate Redshift [PDF]

open access: yes, 1997
A tangential distortion of background source galaxies around foreground lens galaxies in the Hubble Deep Field is detected at the 99.3% confidence level.
M. Hudson, S. Gwyn, H. Dahle, N. Kaiser
semanticscholar   +1 more source

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