Latest Research

Cosmic-Ray Propagation Models Elucidate the Prospects for Antinuclei Detection

tospines/customised-dragon-versions 19 Apr 2024

Tentative observations of cosmic-ray antihelium by the AMS-02 collaboration have re-energized the quest to use antinuclei to search for physics beyond the standard model.

High Energy Astrophysical Phenomena High Energy Physics - Phenomenology

4
19 Apr 2024

Physical Properties of Type II Supernovae Inferred from ZTF and ATLAS Photometric Data

fforster/surveysim 19 Apr 2024

Our results favor low-mass progenitor stars (M$_{ZAMS}$\,$<$14\,$M_\odot$) with a dense CSM ($\dot{M}$ $>$ 10$^{-3}$ [M$_\odot$ yr$^{-1}$], a CSM radius of $\sim$ 10$^{15}$ cm, and $\beta$ $>$ 2).

High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics

1
19 Apr 2024

A Self-Consistent Treatment of the Line-Driving Radiation Force for Active Galactic Nuclei Outflows: New Prescriptions for Simulations

aslattimer/agnwind 18 Apr 2024

Flows driven by photons have been studied for almost a century, and a quantitative description of the radiative forces on atoms and ions is important for understanding a wide variety of systems with outflows and accretion disks, such as active galactic nuclei.

Astrophysics of Galaxies High Energy Astrophysical Phenomena

0
18 Apr 2024

The formation of transiting circumplanetary debris discs from the disruption of satellite systems during planet-planet scattering

ajmustill/moons 18 Apr 2024

The debris trails arising from these events are often tilted at tens of degrees to the planetary orbit, consistent with the inclinations of the observed discs.

Earth and Planetary Astrophysics

0
18 Apr 2024

Supermassive black holes from runaway mergers and accretion in nuclear star clusters

kkritos/nuce 17 Apr 2024

The associated gravitational-wave signals of high-redshift extreme mass-ratio inspirals are a unique signature of the nuclear star cluster scenario.

High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology

1
17 Apr 2024

Determining the time before or after a galaxy merger event

wjpearson/tngmergertime 17 Apr 2024

These data were then used to train a residual network (ResNet50), a Swin Transformer (Swin), a convolutional neural network (CNN), and an autoencoder (using a single latent neuron) to reproduce the merger time.

Astrophysics of Galaxies

0
17 Apr 2024

Non-linear power spectrum and forecasts for Generalized Cubic Covariant Galileon

nebblu/actio-reactio 17 Apr 2024

To fully exploit the data from next generation surveys, we need an accurate modelling of the matter power spectrum up to non-linear scales.

Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology

5
17 Apr 2024

Stage-IV Cosmic Shear with Modified Gravity and Model-independent Screening

nebblu/react-emus 17 Apr 2024

We forecast constraints on minimal model-independent parametrisations of several Modified Gravity theories using mock Stage-IV cosmic shear data.

Cosmology and Nongalactic Astrophysics High Energy Physics - Theory

0
17 Apr 2024

Robust parameter estimation within minutes on gravitational wave signals from binary neutron star inspirals

thibeauwouters/turbope-bns 17 Apr 2024

Wong et al. introduced Jim arXiv:2302. 05333, a parameter estimation pipeline that combines relative binning and jax features such as hardware acceleration and automatic differentiation into a normalizing flow-enhanced sampler for gravitational waves from binary black hole (BBH) mergers.

Instrumentation and Methods for Astrophysics High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology

2
17 Apr 2024

H$α$ Reverberation Mapping from Broad-band Photometry of Dwarf Seyfert 1 Galaxy NGC 4395

photorm/iccf-cut 17 Apr 2024

NGC 4395 is a dwarf Seyfert 1 galaxy with a possible intermediate-mass black hole of several $\rm{10^4}$ solar masses in its center.

Astrophysics of Galaxies

1
17 Apr 2024