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19922026
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326 papers · 1 filter

astro-ph.HE2022★ 4 cited

SRGe2149+6736 -- the new candidate to AM~Her type variables discovered by eROSITA telescope on "Spectrum--Roentgen--Gamma" orbital observatory

I. F. Bikmaev, A. I. Kolbin, V. V. Shimansky +18

We present the results of the optical identification, classification, as well as analysis of photometric and spectral observations of the X-ray transient SRGe2149+6736 detected by…

astro-ph.HE2022★ 27 cited

SCATTER: A New Common Envelope Formalism

Rosanne Di Stefano, Matthias U. Kruckow, Yan Gao +2

One of the most mysterious astrophysical states is the common envelope (CE) phase of binary evolution, in which two stars are enshrouded by the envelope shed by one of them. Intera…

astro-ph.GA2022★ 19 cited

Radiative Transfer in Lyα Nebulae: I. Modeling a Continuous or Clumpy Spherical Halo with a Central Source

Seok-Jun Chang, Yujin Yang, Kwang-Il Seon +2

To understand the mechanism behind high- Ly nebulae, we simulate the scattering of Ly in a halo about a central Ly source. For the first time, we consider bo…

astro-ph.HE2022★ 62 cited

Can neutron star mergers alone explain the r-process enrichment of the Milky Way?

Chiaki Kobayashi, Ilya Mandel, Krzysztof Belczynski +9

Comparing Galactic chemical evolution models to the observed elemental abundances in the Milky Way, we show that neutron star mergers can be a leading r-process site only if at low…

astro-ph.SR2022★ 17 cited

Tracer particles for core-collapse supernova nucleosynthesis: The advantages of moving backward

Andre Sieverding, Preston G. Waldrop, J. Austin Harris +4

After decades, the theoretical study of core-collapse supernova explosions is moving from parameterized, spherically symmetric models to increasingly realistic multi-dimensional si…

astro-ph.GA2022★ 15 cited

Accuracy and precision of triaxial orbit models I: SMBH mass, stellar mass and dark-matter halo

B. Neureiter, S. de Nicola, J. Thomas +3

We investigate the accuracy and precision of triaxial dynamical orbit models by fitting two dimensional mock observations of a realistic N-body merger simulation resembling a massi…

astro-ph.SR2022★ 40 cited

The effects of stellar rotation along the main sequence of the 100 Myr old massive cluster NGC 1850

Sebastian Kamann, Sara Saracino, Nate Bastian +13

Young star clusters enable us to study the effects of stellar rotation on an ensemble of stars of the same age and across a wide range in stellar mass and are therefore ideal targe…

astro-ph.GA2022★ 6 cited

Clustered Formation of Massive Stars within an Ionized Rotating Disk

Roberto Galván-Madrid, Qizhou Zhang, Andrés Izquierdo +7

We present ALMA observations with a 800 au resolution and radiative-transfer modelling of the inner part ( au) of the ionized accretion flow around a compact star clu…

astro-ph.SR2022★ 24 cited

The initial spin distribution of B-type stars revealed by the split main sequences of young star clusters

Chen Wang, Ben Hastings, Abel Schootemeijer +6

Spectroscopic observations of stars in young open clusters have revealed evidence for a dichotomous distribution of stellar rotational velocities, with 10-30% of stars rotating slo…

astro-ph.GA2022★ 11 cited

Cosmic Sands: The Origin of Dusty, Star-forming Galaxies in the Epoch of Reionization

Sidney Lower, Desika Narayanan, Qi Li +1

We present the Cosmic Sands suite of cosmological zoom-in simulations based on the Simba galaxy formation model in order to study the build up of the first massive and dusty galaxi…

astro-ph.GA2022★ 20 cited

A 3D View of Orion: I. Barnard's Loop

Michael M. Foley, Alyssa Goodman, Catherine Zucker +11

Barnard's Loop is a famous arc of H emission located in the Orion star-forming region. Here, we provide evidence of a possible formation mechanism for Barnard's Loop and compare…

astro-ph.CO2022★ 19 cited

Effects of Multiphase Gas and Projection on X-ray Observables in Simulated Galaxy Clusters as Seen by eROSITA

J. ZuHone, Y. E. Bahar, V. Biffi +8

The number density of galaxy clusters as a function of mass and redshift is a sensitive function of the cosmological parameters. To use clusters for cosmological parameter studies,…

gr-qc2022★ 28 cited

New universal property of cosmological gravitational wave anisotropies

Ameek Malhotra, Ema Dimastrogiovanni, Guillem Domènech +2

The anisotropies of the stochastic gravitational wave background, as produced in the early phases of cosmological evolution, can act as a key probe of the primordial universe parti…

physics.plasm-ph2022★ 2 cited

Experimental validation of the intensity refractometry principle for density measurements at the edge of a tokamak

M. Usoltseva, S. Heuraux, H. Faugel +10

Experimental validation is presented for a new type of microwave diagnostic, first introduced in the theoretical study in M. Usoltceva et al., Rev. Sci. Instrum. 93, 013502 (2022).…

astro-ph.CO2022★ 14 cited

A multi-tracer empirically-driven approach to line-intensity mapping lightcones

Gabriela Sato-Polito, Nickolas Kokron, José Luis Bernal

Line-intensity mapping (LIM) is an emerging technique to probe the large-scale structure of the Universe. By targeting the integrated intensity of specific spectral lines, it captu…

astro-ph.CO2022★ 36 cited

Consistency tests of field level inference with the EFT likelihood

Andrija Kostić, Nhat-Minh Nguyen, Fabian Schmidt +1

Analyzing the clustering of galaxies at the field level in principle promises access to all the cosmological information available. Given this incentive, in this paper we investiga…

astro-ph.IM2022★ 4 cited

Fast-Cadence High-Contrast Imaging with Information Field Theory

Jakob Roth, Gianluca Li Causi, Vincenzo Testa +2

Although many exoplanets have been indirectly detected over the last years, direct imaging of them with ground-based telescopes remains challenging. In the presence of atmospheric…

astro-ph.HE2022★ 2 cited

Dynamics and Equation of State Dependencies of Relevance for Nucleosynthesis in Supernovae and Neutron Star Mergers

H. -Thomas Janka, Andreas Bauswein

Neutron stars (NSs) and black holes (BHs) are born when the final collapse of the stellar core terminates the lives of stars more massive than about 9 Msun. This can trigger the po…

astro-ph.GA2022★ 123 cited

Early Results from GLASS-JWST. XIX: A High Density of Bright Galaxies at in the Abell 2744 Region

Marco Castellano, Adriano Fontana, Tommaso Treu +38

We report the detection of a high density of redshift galaxies behind the foreground cluster Abell 2744, selected from imaging data obtained recently with NIRCam onbo…

astro-ph.GA2022★ 8 cited

Quantifying the influence of bars on action-based dynamical modelling of disc galaxies

Soumavo Ghosh, Wilma H. Trick, Gregory M. Green

Action-based dynamical modelling, using stars as dynamical tracers, is an excellent diagnostic to estimate the underlying axisymmetric matter distribution of the Milky Way. However…

astro-ph.GA2022★ 13 cited

Tracing the kinematics of the whole ram pressure stripped tails in ESO 137-001

Rongxin Luo, Ming Sun, Pavel Jáchym +8

Ram pressure stripping (RPS) is an important process to affect the evolution of cluster galaxies and their surrounding environment. We present a large MUSE mosaic for ESO 137-001 a…

quant-ph2022★ 1 cited

Correlation as a Resource in Unitary Quantum Measurements

Vishal Johnson, Ashmeet Singh, Reimar Leike +2

Quantum measurement is a physical process. What physical resources and constraints does quantum mechanics require for measurement to produce the classical world we observe? Treatin…

astro-ph.EP2022★ 9 cited

Gravito-turbulence in local disk simulations with an adaptive moving mesh

Oliver Zier, Volker Springel

Self-gravity plays an important role in the evolution of rotationally supported systems such as protoplanetary disks, accretion disks around black holes, or galactic disks, as it c…

astro-ph.HE2022★ 22 cited

Accretion Flow Morphology in Numerical Simulations of Black Holes from the ngEHT Model Library: The Impact of Radiation Physics

Koushik Chatterjee, Andrew Chael, Paul Tiede +18

In the past few years, the Event Horizon Telescope (EHT) has provided the first-ever event horizon-scale images of the supermassive black holes (BHs) (M87*) and Sagittarius A (…