Dramatic rebrightening of the type-changing stripped-envelope supernova SN 2023aew

Y Sharma, J Sollerman, SR Kulkarni… - The Astrophysical …, 2024 - iopscience.iop.org
… In total, we have 41 spectra covering epochs from 34 to 281 days … 10 49 erg. Thus the total
energy radiated by SN 2023aew from explosion until our last detection is (6.56 ± 0.18) × 10 49

Return of 4U 1730–22 after 49 yr Silence: The Peculiar Burst Properties of the 2021/2022 Outbursts Observed by Insight-HXMT

YP Chen, S Zhang, L Ji, SN Zhang… - The Astrophysical …, 2023 - iopscience.iop.org
… Staying in quiescence for 49 yr, 4U 1730–22 became active and had two outbursts in 2021
and 2022; 10 thermonuclear X-ray bursts were detected with Insight-HXMT. Among them, the …

Reducing the uncertainty on the Hubble constant up to 35% with an improved statistical analysis: different best-fit likelihoods for type Ia supernovae, baryon acoustic …

MG Dainotti, G Bargiacchi, M Bogdan… - The Astrophysical …, 2023 - iopscience.iop.org
Cosmological models and their parameters are widely debated, especially about whether
the current discrepancy between the values of the Hubble constant, H 0, obtained by Type Ia …

Time-resolved hadronic particle acceleration in the recurrent nova RS Ophiuchi

HESS Collaboration*†, F Aharonian, F Ait Benkhali… - Science, 2022 - science.org
Recurrent novae are repeating thermonuclear explosions in the outer layers of white dwarfs,
due to the accretion of fresh material from a binary companion. The shock generated when …

The Hubble tension survey: A statistical analysis of the 2012–2022 measurements

B Wang, M López-Corredoira… - Monthly Notices of the …, 2024 - academic.oup.com
… –Lemaître constant H 0 between 2012 and 2022, which includes 109 model-independent …
Therefore, we employ the statistical analysis approach proposed by López-Corredoira (2022

Gamma-ray bursts, quasars, baryonic acoustic oscillations, and supernovae Ia: new statistical insights and cosmological constraints

G Bargiacchi, MG Dainotti, S Nagataki… - Monthly Notices of the …, 2023 - academic.oup.com
… Petrosian, Singal & Mutchnick (2022) have pointed out the presence of the circularity problem
in … (2022) and their innovative approach in the QSO realm, which we apply in this study. …

[PDF][PDF] Revised March 2024 by J. Alvarez-Muñiz (Santiago de Compostela U.), Z. Cao (IHEP Beijing)

UF Katz, P Mertsch, C Spiering - pdg.lbl.gov
… The data for the charged CRs [5–34] have been extracted from the Cosmic Ray Database
(CRDB) [35]. Below 104 GeV, the all-particle spectrum is the sum of spline fits of the most …

GeV Gamma-Ray Emission from Pulsar Wind Nebula HESS J1356-645 with Fermi-Large Area Telescope

X Liu, X Guo, Y Xin, F Zhu, S Liu - The Astrophysical Journal, 2023 - iopscience.iop.org
HESS J1356-645 is considered to be a pulsar wind nebula (PWN) associated with the pulsar
PSR J1357-6429. We reanalyze the GeV gamma-ray emission in the direction of HESS …

Gamma-ray variability and multi-wavelength insights into the unprecedented outburst from 4C 31.03

A Thekkoth, C Baheeja, S Sahayanathan… - Journal of High Energy …, 2024 - Elsevier
The blazar 4C 31.03 recently underwent a major γ-ray outburst at the beginning of 2023 after
a prolonged quiescent phase. Fermi-LAT reported a daily average flux of 5 × 10 − 6 phs cm …

Synchrotron self-compton emission in the two-component jet model for gamma-ray bursts

Y Sato, K Obayashi, BT Zhang, SJ Tanaka… - Journal of High Energy …, 2023 - Elsevier
… (2022) and our wide jet parameter, the absorption frequency ν a is larger than 10 GHz, and
the flux depends on E iso , K and n 0 ( F ν ∝ E iso , K 5 / 6 n 0 1 / 2 ). The flux with large E iso …