Simulated impacts of atmospheric gravity waves on the initiation and optical emissions of sprite halos in the mesosphere
Sign Up to like & getrecommendations! Published in 2019 at "Science China Earth Sciences"
DOI: 10.1007/s11430-018-9311-y
Abstract: The correlation between atmospheric gravity waves (GWs) and Transient Luminous Events (TLEs) has been poorly studied using both synchronous observations and numerical simulations. To investigate the modulation effects of GWs on TLEs, a troposphere-mesosphere quasi-electrostatic… read more here.
Keywords: initiation optical; optical emissions; halos; gravity waves ... See more keywords
On the Causative Strokes of Halos Observed by ISUAL in the Vicinity of North America
Sign Up to like & getrecommendations! Published in 2018 at "Geophysical Research Letters"
DOI: 10.1029/2018gl079594
Abstract: The analysis of impulse charge moment change (iCMC) for the parent lightning strokes of 497 halos observed by the Imager of Sprites and Upper Atmospheric Lightning near North America in 2004–2015 indicates that the majority… read more here.
Keywords: north america; halos; impulse charge; halos observed ... See more keywords
Searching for velocity-dependent dark matter annihilation signals from extragalactic halos
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2022/09/026
Abstract: We consider gamma-ray signals of dark matter annihilation in extragalactic halos in the case where dark matter annihilates from a p-wave or d-wave state. In these scenarios, signals from extragalactic halos are enhanced relative to… read more here.
Keywords: extragalactic halos; matter annihilation; halos; dark matter ... See more keywords
Gravitational wave lensing: probing Fuzzy Dark Matter with LISA
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2025/07/025
Abstract: Gravitational lensing is a universal phenomenon: it affects both gravitational waves (GWs) and electromagnetic signals travelling through the gravitational field of a massive object. In this work, we explore the prospects of observing lensed GW… read more here.
Keywords: wave lensing; dark matter; gravitational wave; matter ... See more keywords
X-ray emission from hot gas in galaxy groups and clusters in simba
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa2394
Abstract: We examine X-ray scaling relations for massive halos ($M_{500}>10^{12.3}M_\odot$) in the Simba galaxy formation simulation. The X-ray weighted luminosity, $L_X$ vs. $M_{500}$ has power-law slopes $\approx\frac{5}{3}$ and $\approx\frac{8}{3}$ above and below $10^{13.5} M_{\odot}$, deviating from… read more here.
Keywords: halos; ray; core; galaxy ... See more keywords
Active galactic nucleus jet feedback in hydrostatic halos
Sign Up to like & getrecommendations! Published in 2022 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad1396
Abstract: Feedback driven by jets from active galactic nuclei is believed to be responsible for reducing cooling flows in cool-core galaxy clusters. We use simulations to model feedback from hydrodynamic jets in isolated halos. While the… read more here.
Keywords: active galactic; galactic nucleus; halos; jet feedback ... See more keywords
A unified model for the clustering of quasars and galaxies at z ≈ 6
Sign Up to like & getrecommendations! Published in 2024 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stae2307
Abstract: Recent observations from the EIGER JWST program have measured for the first time the quasar-galaxy cross-correlation function at z ≈ 6. The auto-correlation function of faint z ≈ 6 quasars was also recently estimated. These… read more here.
Keywords: host; quasars galaxies; quasar; model ... See more keywords
Ultra-Diffuse, Ultra-Different: Observed vs. Simulated Ultra-Diffuse Galaxies Live in Fundamentally Different Halos
Sign Up to like & getrecommendations! Published in 2025 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staf1954
Abstract: In this work, we compare galaxies from the NIHAO and HESTIA simulation suites to ultra-diffuse galaxies (UDGs) with spectroscopically measured dynamical masses. For each observed UDG, we identify the simulated dark matter halo that best… read more here.
Keywords: ultra diffuse; dark matter; mass; halos ... See more keywords
Exploring the causal effect of cosmic filaments on dark matter halos
Sign Up to like & getrecommendations! Published in 2025 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staf523
Abstract: The way in which the large-scale cosmic environment affects galactic properties is not yet understood. Dark matter halos, which embed galaxies, initially evolve following linear theory. Their subsequent evolution is driven by non-linear structure formation… read more here.
Keywords: dark matter; environment; effect; matter halos ... See more keywords
Cooling Flows as a Reference Solution for the Hot Circumgalactic Medium
Sign Up to like & getrecommendations! Published in 2024 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staf786
Abstract: The circumgalactic medium (CGM) in ≳ 1012 M⊙ halos is dominated by a hot phase (T ≳ 106 K). While many models exist for the hot gas structure, there is as yet no consensus. We compare… read more here.
Keywords: circumgalactic medium; cooling flows; cgm; halos ... See more keywords
Gravothermal collapse of self-interacting dark matter halos as the origin of intermediate mass black holes in Milky Way satellites
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review D"
DOI: 10.1103/physrevd.107.083010
Abstract: Milky Way (MW) satellites exhibit a diverse range of internal kinematics, reflecting in turn a diverse set of subhalo density profiles. These profiles include large cores and dense cusps, which any successful dark matter model… read more here.
Keywords: collapse; dark matter; halos; milky way ... See more keywords