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Now showing items 1201-1297 of 1297
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Context: One candidate model for heating the solar corona is magnetic reconnection that embodies Ohmic dissipation of current sheets. When numerous small-scale magnetic reconnection events occur, then it is possible to ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We measure the cosmological bias factor of damped Ly α absorbers (DLAs) from their crosscorrelation with the Ly α forest absorption, as a function of the DLA metal strength, defined from an average of equivalent widths of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Low-lying loops have been discovered at the solar limb in transition region temperatures by the Interface Region Imaging Spectrograph (IRIS). They do not appear to reach coronal temperatures, and it has been suggested that ...
(Master thesis / Masteroppgave, 2018)
In the 2015 Planck Isotropy and Statistics article, the dipolar asymmetry previously found in the WMAP data (Hansen et al. 2009) was found to extend to the smallest scales. While the statistical significance of this anomaly ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We present a new perturbative approach to ‘constrained Ly α radiative transfer’ (RT) through the circum- and intergalactic medium (CGM and IGM). We constrain the H I content and kinematics of the CGM and IGM in a physically ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We present the Feedback Acting on Baryons in Large-scale Environments suite of cosmological hydrodynamical simulations of galaxies, groups, and clusters. The simulations use the AREPO moving-mesh code with a set of physical ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
The Planck catalogue of SZ sources limits itself to a significance threshold of 4.5 to ensure a low contamination rate by false cluster candidates. This means that only the most massive clusters at redshift z> 0.5, and in ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Aims. We present a ground-based, near-infrared search for lensed supernovae behind the massive cluster Abell 1689 at z = 0.18, which is one of the most powerful gravitational telescopes that nature provides.
Methods. Our ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
We investigate the shock-induced flow through random particle arrays using particle-resolved Large Eddy Simulations for different incident shock wave Mach numbers, particle volume fractions and particle sizes. We analyze ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Using the Planck full-mission data, we present a detection of the temperature (and therefore velocity) dispersion due to the kinetic SunyaevZeldovich (kSZ) effect from clusters of galaxies. To suppress the primary CMB and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The term “ultraviolet (UV) burst” is introduced to describe small, intense, transient brightenings in ultraviolet images of solar active regions. We inventorize their properties and provide a definition based on image ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We present detailed characteristics of linear polarization features (LPFs) in the quiet-Sun photosphere from high-resolution observations obtained with SUNRISE/IMaX. We explore differently treated data with various noise ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
We report the detection of extended Lyα emission from the host galaxy of SDSS J2222+2745, a strongly lensed quasar at z = 2.8. Spectroscopic follow-up clearly reveals extended Lyα in emission between two images of the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
SDSS J2222+2745 is a galaxy cluster at z = 0.49, strongly lensing a quasar at z = 2.805 into six widely separated images. In recent Hubble Space Telescope imaging of the field, we identify additional multiply lensed galaxies ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
We present the results of work involving a statistically complete sample of 34 galaxy clusters, in the redshift range 0.15 ≤ z ≤ 0.3 observed with Chandra. We investigate the luminosity–mass (LM) relation for the cluster ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We present the detection and detailed analysis of a diffuse molecular cloud at zabs = 2.4636 towards the quasar SDSS J 1513+0352 (zem ≃ 2.68) observed with the X-shooter spectrograph at the Very Large Telescope. We measured ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
LiteBIRD is a candidate for JAXA’s strategic large mission to observe the cosmic microwave background (CMB) polarization over the full sky at large angular scales. It is planned to be launched in the 2020s with an H3 launch ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The heating of the solar chromosphere remains one of the most important questions in solar physics. Our current understanding is that small-scale internetwork (IN) magnetic fields play an important role as a heating agent. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The fraction of ionizing photons that escape high-redshift galaxies sensitively determines whether galaxies reionized the early Universe. However, this escape fraction cannot be measured from high-redshift galaxies because ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
A recent study using Hinode (Solar Optical Telescope/Filtergraph [SOT/FG]) data of a sunspot revealed some unusually large penumbral jets that often repeatedly occurred at the same locations in the penumbra, namely, at the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Recent observations show that the buildup and triggering of minifilament eruptions that drive coronal jets result from magnetic flux cancelation at the neutral line between merging majority- and minority-polarity magnetic ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
The Lambda-Cold Dark Matter (ΛCDM) model agrees with most of the cosmological observations, but has some hindrances from observed data at smaller scales such as galaxies. Recently, Berezhiani and Khoury proposed a new ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Context. Magnetic reconnection in the deep solar atmosphere can give rise to enhanced emission in the Balmer hydrogen lines, a phenomenon referred to as Ellerman bombs. Recent high-quality Hβ observations indicate that ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Context. Nanoscale events in cooperation with steady heating from a slow heating mechanism, such as slow-burning current-sheets, could be able to heat the corona; however, their observational traces are hard to detect via ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Context: Umbral flashes (UF) and running penumbral waves (RPWs) in sunspot chromospheres leave a dramatic imprint in the intensity profile of the Ca II 8542 Å line. Recent studies have focussed on also explaining the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We investigate the effects of radiative energy transfer on a series of nested-grid, high-resolution hydrodynamic simulations of gas and particle dynamics in the vicinity of an Earth-mass planetary embryo. We include heating ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The next generation of solar observatories aim to understand the magnetism of the solar chromosphere. Therefore, it is crucial to understand the polarimetric signatures of chromospheric spectral lines. For this purpose, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We present, for the first time, numerical simulations of young tidal dwarf galaxies (TDGs), including a self-consistent treatment of the tidal arm in which they are embedded. Thereby, we do not rely on idealized initial ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Solar observations with the Atacama Large Millimeter/submillimeter Array (ALMA) provide us with direct measurements of the brightness temperature in the solar chromosphere. We study the temperature distributions obtained ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Doctoral thesis / Doktoravhandling, 2024)
Magnetic reconnection is a fundamental mechanism in astrophysics and a promising candidate for solving the coronal heating problem. This process has been shown to produce a variety of different observable phenomena on the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Galactic outflows are critical to our understanding of galaxy formation and evolution. However, the details of the underlying feedback process remain unclear. We compare Ly α observations of the circumgalactic medium (CGM) ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
We present a formalism to study screening mechanisms in modified theories of gravity through perturbative methods in different cosmological scenarios. We consider Einstein-frame posed theories that are recast as Jordan-frame ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Observations from the Interface Region Imaging Spectrograph often reveal significantly broadened and non-reversed profiles of the Mg ii h, k and triplet lines at flare ribbons. To understand the formation of these optically ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
We present joint observations of the Sun by the Atacama Large Millimeter/submillimeter Array (ALMA) and the Interface Region Imaging Spectrograph (IRIS). Both millimeter/submillimeter-λ continuum emission and ultraviolet ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Spicules are the most ubuiquitous type of jets in the solar atmosphere. The advent of high-resolution imaging and spectroscopy from the Interface Region Imaging Spectrograph (IRIS) and ground-based observatories has revealed ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Spicules have been proposed as significant contributors to the mass and energy balance of the corona. While previous observations have provided a glimpse of short-lived transient brightenings in the corona that are associated ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Multiple modifications of general relativity (GR) have been proposed in the literature in order to understand the nature of the accelerated expansion of the Universe. However, thus far all the predictions of GR have been ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The spectrum of the zem = 2.63 quasar Q1009+2956 has been observed extensively on the Keck telescope. The Lyman limit absorption system zabs = 2.504 was previously used to measure D/H by Burles & Tytler using a spectrum ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The bias factor of damped Ly α (DLAs) systems, derived from the cross-correlation with the Ly α forest in absorption spectra of the Baryon Oscillation Spectroscopic Survey of SDSS-III, has been used to infer the characteristic ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
It has been proposed that close interactions with satellite galaxies can significantly perturb the morphology of the main galaxy. However, the dynamics of an already formed bar following the interaction with the external ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
The signal measured by an astronomical spectrometer may be due to radiation from a multi-component mixture of plasmas with a range of physical properties (e.g., temperature, Doppler velocity). Confusion between multiple ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We stack the rest-frame ultraviolet spectra of N = 14 highly magnified gravitationally lensed galaxies at redshifts $1.6\lt z\lt 3.6$. The resulting new composite spans $900\lt {\lambda }_{\mathrm{rest}}\lt 3000$ Å, with ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Lyα is a powerful astrophysical probe. Not only is it ubiquitous at high redshifts, it is also a resonant line, making Lyα photons scatter. This scattering process depends on the physical conditions of the gas through which ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
We studied the physical parameters of the penumbra in a large and fully developed sunspot, one of the largest over the last two solar cycles, by using full-Stokes measurements taken at the photospheric Fe i 617.3 nm and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We analyze the metal accumulation in dwarf and spiral galaxies by following the history of metal enrichment and outflows in a suite of 20 high-resolution simulated galaxies. These simulations agree with the observed stellar ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
The Interface Region Imaging Spectrograph has routinely observed the flaring Mg ii near-ultraviolet (NUV) spectrum, offering excellent diagnostic potential and a window into the location of energy deposition. A number of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We present the results of 1D hydrodynamic simulations of coronal loops that are subject to nanoflares, caused by either in situ thermal heating or nonthermal electron (NTE) beams. The synthesized intensity and Doppler ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Context: We introduce a model for including accelerated particles in pure magnetohydrodynamics (MHD) simulations of the solar atmosphere.
Aims: We show that the method is viable and produces results that enhance the realism ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We investigate the effects of a disformal coupling between dark energy and dark matter in the predictions of the spherical collapse and its signatures in galaxy cluster number counts. We find that the disformal coupling ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We study the abundance of star-forming and quiescent galaxies in a sample of 21 clusters at 0.5 < z < 0.7, detected with the Planck satellite. Thanks to the large volume probed by Planck, these systems are extremely ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The z abs = 2.504 Lyman Limit absorption system (LLS) towards Q1009+2956 has previously been used to estimate the primordial deuterium abundance. Since the initial measurement by Burles & Tytler [1], this quasar has been ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The baryonic content and physical properties of the warm and hot (105 lesssim T lesssim 107 K) phases of the circumgalactic medium (CGM) are poorly constrained owing to the lack of observables probing the requisite range ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Context: CHROMIS, a new imaging spectrometer at the Swedish 1-m Solar Telescope (SST), can observe the chromosphere in the H and K lines of Ca II at high spatial and spectral resolution. Accurate modeling as well as an ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We use Hα imaging spectroscopy taken via the Swedish 1 m Solar Telescope to investigate the occurrence of fan-shaped jets at the solar limb. We show evidence for near-simultaneous photospheric reconnection at a sunspot ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Context. The cosmological surveys that are planned for the current decade will provide us with unparalleled observations of the distribution of galaxies on cosmic scales, by means of which we can probe the underlying ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
We present a cross-correlation analysis between 1´resolution total intensity and polarization observations from the Atacama Cosmology Telescope (ACT) at 150 and 220 GHz and 15'' mid-infrared photometry from the Wide-field ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
With two central galaxies engaged in a major merger and a remarkable chain of 19 young stellar superclusters wound around them in projection, the galaxy cluster SDSS J1531+3414 (z = 0.335) offers an excellent laboratory ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Aims. We validate a semi-analytical model for the covariance of the real-space two-point correlation function of galaxy clusters.
Methods. Using 1000 PINOCCHIO light cones mimicking the expected Euclid sample of galaxy ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Context. Magnetic reconnection in the deep solar atmosphere can give rise to enhanced emission in the Balmer hydrogen lines, a phenomenon known as Ellerman bombs (EBs). It is most common to observe EBs in the H α and H β ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Abstract
We use time-domain simulations of Jupiter observations to test and develop a beam reconstruction pipeline for the Simons Observatory Small Aperture Telescopes. The method relies on a mapmaker that estimates ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Context. Oscillations are observed to be pervasive throughout the solar corona, but it remains challenging to positively identify different wave modes. Improving this identification would provide a powerful tool for ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
To obtain an accurate cosmological inference from upcoming weak lensing surveys such as the one conducted by Euclid , the shear measurement requires calibration using galaxy image simulations. As it typically requires ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Abstract
Three-minute oscillations are a common phenomenon in the solar chromosphere above a sunspot. Oscillations can be affected by the energy release process related to solar flares. In this paper, we report ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Observations of the millimeter sky contain valuable information on a number of signals, including the blackbody cosmic microwave background (CMB), Galactic emissions, and the Compton-y distortion due to the thermal ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
We present a catalog of 689 galaxy cluster candidates detected at significance [Math Processing Error] via their thermal Sunyaev-Zel’dovich (SZ) effect signature in 95 and 150 GHz data from the 500-square-degree SPTpol ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
The shortest distance around the Universe through us is unlikely to be much larger than the horizon diameter if microwave background anomalies are due to cosmic topology. We show that observational constraints from the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Understanding the early evolution of coronal mass ejections (CMEs), in particular their initiation, is the key to forecasting solar eruptions and induced disastrous space weather. Although many initiation mechanisms have ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Local ultra-luminous infrared galaxies (ULIRGs) have been observed to host ubiquitous molecular outflows, including the most massive and powerful ever detected. These sources have also exceptionally excited global, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
We present tensor-to-scalar ratio forecasts for GreenPol, a hypothetical ground-based B-mode experiment aiming to survey the cleanest regions of the Northern Galactic Hemisphere at five frequencies between 10 and 44 GHz. ...
Chromospheric and coronal heating in an active region plage by dissipation of currents from braiding
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Abstract The question of what heats the outer solar atmosphere remains one of the longstanding mysteries in astrophysics. Statistical studies of Sun-like stars reveal a correlation between global chromospheric and coronal ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Modified gravity models with scale-dependent linear growth typically exhibit an enhancement in the power spectrum beyond a certain scale. The conventional methods for extracting cosmological information usually involve ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Aims. We derived galaxy colour selections from Euclid and ground-based photometry, aiming to accurately define background galaxy samples in cluster weak-lensing analyses. These selections have been implemented in the Euclid ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Constraining the processes that drive coronal heating from observations is a difficult task due to the complexity of the solar atmosphere. As upcoming missions such as the Multi-slit Solar Explorer (MUSE) will provide ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Supermassive black holes (SMBH) are believed to influence galaxy evolution through AGN (active galactic nuclei) feedback. Galaxy mergers are key processes of galaxy formation that lead to AGN activity and star formation. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Abstract
We present fluxes and light curves for a population of asteroids at millimeter wavelengths, detected by the Atacama Cosmology Telescope (ACT) over 18,000 deg 2 of the sky using data from 2017 to 2021. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
This work considers which higher order modeling effects on the cosmic shear angular power spectra must be taken into account for Euclid. We identified the relevant terms and quantified their individual and cumulative impact ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Abstract
We present the most comprehensive collection of stratified-in-optical-depth thermodynamic models of the lower solar atmosphere. This database, named IRIS 2+ , consists of 40,320 synthetic representative ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Abstract
Small-scale, newly emerging internetwork (IN) magnetic fields are considered a viable source of energy and mass for the solar chromosphere and possibly the corona. Multiple studies show that single events ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Aims. In this study, we analyse the magnetic field properties of a set of 15 global magnetohydrodynamic (MHD) simulations of solar-type star dynamos conducted using the ASH code. Our objective is to enhance our understanding ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Reverberation mapping is the leading technique used to measure direct black hole masses outside of the local Universe. Additionally, reverberation measurements calibrate secondary mass-scaling relations used to estimate ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Context. Charged particles are constantly accelerated to non-thermal energies by the reconnecting magnetic field in the solar atmosphere. Our understanding of the interactions between the accelerated particles and their ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
We compare two different numerical methods to integrate in time spatially delocalized initial densities using the Schrödinger-Poisson equation system as the evolution law. The basic equation is a nonlinear Schrödinger ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Observed spectral profiles of emission lines from the corona are found to have widths exceeding the thermal line width. To investigate the physical mechanism, we run a 3D magnetohydrodynamics model of a single, straightened ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Abstract
Redshift measurements, primarily obtained from host galaxies, are essential for inferring cosmological parameters from type Ia supernovae (SNe Ia). Matching SNe to host galaxies using images is nontrivial, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Context. Plasmoid-mediated reconnection plays a fundamental role in different solar atmospheric phenomena. Numerical reproduction of this process is therefore essential for developing robust solar models.
Aims. Our goal ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2024)
An approach for quantitatively evaluating overshooting oscillations is designed to characterise the performance of shock-capturing schemes. Specifically, following our previous work focused on cases with only discontinuities, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
The large-scale structure of the Universe is distributed in a cosmic web. Studying the distribution and clustering of dark matter particles and haloes may open up a new horizon for studying the physics of the dark Universe. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Aims. We present an analysis of the first connection mosaic made by the SPICE instrument on board the ESA/NASA Solar Orbiter mission on March 2, 2022. The data will be used to map coronal composition that will be compared ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
The mysterious nature of the dark sector of the Λ-cold-dark-matter (ΛCDM) model is one of the main motivators behind the study of alternative cosmological models. A central quantity of interest for these models is the ...