Results 31 to 40 of about 21,650,361 (340)

Recent impact of COSMIC-2 with improved radio occultation data assimilation algorithms.

open access: yesWeather and forecasting, 2023
A Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) follow-on constellation, COSMIC-2, was successfully launched into equatorial orbit on June 24, 2019. With an increased signal-to-noise ratio due to improved receivers and
L. Cucurull
semanticscholar   +1 more source

Comparative Analysis of Binhu and Cosmic-2 Radio Occultation Data

open access: yesRemote Sensing, 2022
Global Navigation Satellite System (GNSS) radio occultation (RO) technology has been widely used in Earth atmospheric detection and has a significant impact on numerical weather prediction (NWP), climate detection, and other fields. Cosmic-2 LEO-1 (C2E1) is a well-known RO data provider; however, its observations are confined to 45°S and 45°N. Recently,
Hongjie Zhang   +7 more
openaire   +2 more sources

A Value-added COSMOS2020 Catalog of Physical Properties: Constraining Temperature-dependent Initial Mass Function

open access: yesThe Astrophysical Journal Supplement Series, 2023
This work presents and releases a catalog of new photometrically derived physical properties for the ∼10 ^5 most well-measured galaxies in the COSMOS field on the sky.
Vadim Rusakov   +2 more
doaj   +1 more source

Correcting for static shift of magnetotelluric data with airborne electromagnetic measurements: a case study from Rathlin Basin, Northern Ireland [PDF]

open access: yesSolid Earth, 2017
Galvanic distortions of magnetotelluric (MT) data, such as the static-shift effect, are a known problem that can lead to incorrect estimation of resistivities and erroneous modelling of geometries with resulting misinterpretation of subsurface ...
R. Delhaye   +6 more
doaj   +1 more source

The Earliest Stage of Galactic Star Formation

open access: yesThe Astrophysical Journal Letters, 2023
Using a recently developed technique to estimate gas temperatures ( T _SF ) in star-forming regions from large photometric surveys, we propose a diagram, analogous to the Hertzsprung–Russell diagram for individual stars, to probe the evolution of ...
Charles L. Steinhardt   +7 more
doaj   +1 more source

Classification of BATSE, Swift, and Fermi Gamma-Ray Bursts from Prompt Emission Alone

open access: yesThe Astrophysical Journal, 2023
Although it is generally assumed that there are two dominant classes of gamma-ray bursts (GRBs) with different typical durations, it has been difficult to classify GRBs unambiguously as short or long from summary properties such as duration, spectral ...
Charles L. Steinhardt   +3 more
doaj   +1 more source

Wavenumber-4 Structure in COSMIC-2 Observations: Vertical Plane Perspective

open access: yesRemote Sensing, 2023
High-rate radio occultation (RO) in COSMIC-2 (FORMOSAT7) enables us to investigate the finer details of the ionosphere owing to the measurements being made at a significantly high spatiotemporal resolution, which was unthinkable a decade ago. In the vertical plane, local-time ionospheric wavenumber-4 (WN4) structures display tilted phase-fronts over ...
Lalit Mohan Joshi   +2 more
openaire   +2 more sources

An Atlas of Color-selected Quiescent Galaxies at z > 3 in Public JWST Fields

open access: yesThe Astrophysical Journal, 2023
We present the results of a systematic search for candidate quiescent galaxies in the distant universe in 11 JWST fields with publicly available observations collected during the first 3 months of operations and covering an effective sky area of ∼145 ...
Francesco Valentino   +26 more
doaj   +1 more source

The Impact of Assimilating COSMIC‐2 Observations of Electron Density in WACCMX

open access: yesJournal of Geophysical Research: Space Physics, 2022
The present study investigates the impact of assimilating electron density profiles from the Constellation Observing System for Meteorology, Ionosphere, and Climate‐2 (COSMIC‐2) mission in a whole atmosphere data assimilation system. The observations are
N. Pedatella, J. Anderson
semanticscholar   +1 more source

Research on rapid imaging with cosmic ray muon scattering tomography

open access: yesScientific Reports, 2023
Cosmic ray muons tomography is a non-destructive imaging technique that uses the natural radiation of cosmic ray muons to create tomographic images of objects.
Qun-Gang Wen
doaj   +1 more source

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