Ultraviolet photon production rates of the first stars: Impact on the He II $λ$ 1640 Å emission line from primordial star clusters and the 21-cm signal from cosmic dawn

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Wasserman, Joel, Zackrisson, Erik, Dhandha, Jiten, Fialkov, Anastasia, Noble, Leon, Majumdar, Suman
Format:	Preprint
Published:	2025
Subjects:	Astrophysics of Galaxies
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

Cosmic mysteries and the hydrogen 21-cm line: bridging the gap with lunar observations
by: Fialkov, Anastasia, et al.
Published: (2023)

Cosmological super-resolution of the 21-cm signal
by: Pochinda, Simon, et al.
Published: (2025)

Effects of chemically homogeneous evolution of the first stars on the 21-cm signal and reionization
by: Liu, Boyuan, et al.
Published: (2025)

Constraining the clustering and 21-cm signature of radio galaxies at cosmic dawn
by: Sikder, Sudipta, et al.
Published: (2024)

Exploiting synergies between JWST and cosmic 21-cm observations to uncover star formation in the early Universe
by: Dhandha, Jiten, et al.
Published: (2025)

Impact of Stochastic Pop~III X-ray Binaries on the Cosmological 21-cm Signal
by: Dasgupta, Saswata, et al.
Published: (2026)

The effect of photon re-scattering due to cosmic reionization on 21-cm images and power spectra
by: Sikder, Sudipta, et al.
Published: (2026)

Decaying turbulence in molecular clouds: how does it affect filament networks and star formation?
by: Dhandha, Jiten, et al.
Published: (2023)

Narrowing the discovery space of the cosmological 21-cm signal using multi-wavelength constraints
by: Dhandha, Jiten, et al.
Published: (2025)

HeII emitters at cosmic noon and beyond. Characterising the HeII λ1640 emission with MUSE and JWST/NIRSpec
by: González-Díaz, R., et al.
Published: (2025)

Understanding spectral artefacts in SKA-LOW 21-cm cosmology experiments: the impact of cable reflections
by: O'Hara, Oscar Sage David, et al.
Published: (2024)

$Λ$CDM star clusters at cosmic dawn: stellar densities, environment, and equilibrium
by: Williams, Claire E., et al.
Published: (2025)

A hide-and-seek game: Looking for Population III stars during the Epoch of Reionization through the HeII$λ$1640 line
by: Venditti, Alessandra, et al.
Published: (2024)

The mass distribution of the first stars can be determined via the 21-cm signal
by: Gessey-Jones, T., et al.
Published: (2025)

Temporarily quiescent galaxies at cosmic dawn: probing bursty star formation
by: Gelli, Viola, et al.
Published: (2025)

Uncovering the Effects of Array Mutual Coupling in 21-cm Experiments with the SKA-Low Radio Telescope
by: O'Hara, Oscar S. D., et al.
Published: (2024)

Mirror images of lensed star clusters with mismatched spectral energy distributions: A possible signature of top-heavy stellar initial mass functions and extreme stars in high-redshift star clusters
by: Zackrisson, Erik, et al.
Published: (2026)

Illuminating the Cosmos: Dark matter, primordial black holes, and cosmic dawn
by: Qin, Wenzer
Published: (2024)

First upper limits on the 21 cm signal power spectrum from cosmic dawn from one night of observations with NenuFAR
by: Munshi, S., et al.
Published: (2023)

A strong He II $λ$1640 emitter with extremely blue UV spectral slope at $z=8.16$: presence of Pop III stars?
by: Wang, Xin, et al.
Published: (2022)

Probing Reionization up to the Mark: The Marked Power Spectrum to unveil the HI 21-cm signal from the EoR
by: Pandya, Vishrut, et al.
Published: (2026)

A first GLIMPSE into star clusters populations across cosmic time
by: Claeyssens, Adélaïde, et al.
Published: (2026)

Different spectra of cosmic ray H, He and heavier nuclei escaping compact star clusters
by: Blasi, Pasquale, et al.
Published: (2023)

Classification of Radio Backgrounds at Cosmic Dawn and 21 cm Signal Confirmation Using Neural Networks
by: Sikder, Sudipta, et al.
Published: (2024)

Connection between planetary He I $λ$10830 Å absorption and extreme-ultraviolet emission of planet-host stars
by: Sanz-Forcada, J., et al.
Published: (2025)

Prospects for probing dark matter particles and primordial black holes with the Hongmeng mission using the 21 cm global spectrum at cosmic dawn
by: Zhao, Meng-Lin, et al.
Published: (2024)

Drifters on the edge of town: $λ$ Boötis stars in clusters
by: Parker, Richard J., et al.
Published: (2026)

Strong nebular HeII emission induced by He$^+$ ionizing photons escaping through the clumpy winds of massive stars
by: Roy, Arpita, et al.
Published: (2025)

The morphology of the redshifted 21-cm signal from the Cosmic Dawn
by: Ghara, Raghunath, et al.
Published: (2023)

Spectroscopic characterisation of gravitationally lensed stars at high redshifts
by: Lundqvist, Emma, et al.
Published: (2024)

STARFIRE-2: Can we detect the global redshifted 21-cm signal from the cosmic dawn in Earth orbit?
by: Pranesh, Yogen, et al.
Published: (2026)

Prospects for probing dark matter particles and primordial black holes with the Square Kilometre Array using the 21 cm power spectrum at cosmic dawn
by: Zhao, Meng-Lin, et al.
Published: (2025)

CosmoUiT: A Vision Transformer-UNet Hybrid for Fast and Accurate Emulation of 21-cm Maps from the Epoch of Reionization
by: Posture, Prasad Rajesh, et al.
Published: (2025)

The Signature of Strong High-Redshift Radio Backgrounds on the Cosmic Dawn 21-cm Bispectrum
by: Sikder, Sudipta, et al.
Published: (2026)

Impact of primordial black holes on the formation of the first stars and galaxies
by: Liu, Boyuan, et al.
Published: (2023)

Radiative transfer of Lyman-$α$ photons at cosmic dawn with realistic gas physics
by: Mittal, Shikhar, et al.
Published: (2023)

Fluorine production in He-burning regions of massive stars during cosmic history
by: Tsiatsiou, Sophie, et al.
Published: (2025)

Comparing sampling techniques to chart parameter space of 21 cm Global signal with Artificial Neural Networks
by: Tripathi, Anshuman, et al.
Published: (2024)

Extracting the Global 21-cm signal from Cosmic Dawn and Epoch of Reionization in the presence of Foreground and Ionosphere
by: Tripathi, Anshuman, et al.
Published: (2024)

Emulation of the Cosmic Dawn 21-cm Power Spectrum and Classification of Excess Radio Models Using an Artificial Neural Network
by: Sikder, Sudipta, et al.
Published: (2022)