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  • Article
  • Open Access
19 Citations
23,002 Views
20 Pages

Cosmological Model Tests with JWST

  • Nikita Lovyagin,
  • Alexander Raikov,
  • Vladimir Yershov and
  • Yuri Lovyagin

1 December 2022

The James Webb Space Telescope (JWST), which has recently become operational, is capable of detecting objects at record-breaking redshifts, z≳15. This is a crucial advance for observational cosmology, as at these redshifts the differences betwe...

  • Article
  • Open Access
7 Citations
10,410 Views
23 Pages

The Next Generation Event Horizon Telescope Collaboration: History, Philosophy, and Culture

  • Peter Galison,
  • Juliusz Doboszewski,
  • Jamee Elder,
  • Niels C. M. Martens,
  • Abhay Ashtekar,
  • Jonas Enander,
  • Marie Gueguen,
  • Elizabeth A. Kessler,
  • Roberto Lalli and
  • Martin Lesourd
  • + 15 authors

15 February 2023

This white paper outlines the plans of the History Philosophy Culture Working Group of the Next Generation Event Horizon Telescope Collaboration.

  • Article
  • Open Access
88 Citations
10,328 Views
38 Pages

Key Science Goals for the Next-Generation Event Horizon Telescope

  • Michael D. Johnson,
  • Kazunori Akiyama,
  • Lindy Blackburn,
  • Katherine L. Bouman,
  • Avery E. Broderick,
  • Vitor Cardoso,
  • Rob P. Fender,
  • Christian M. Fromm,
  • Peter Galison and
  • José L. Gómez
  • + 35 authors

24 April 2023

The Event Horizon Telescope (EHT) has led to the first images of a supermassive black hole, revealing the central compact objects in the elliptical galaxy M87 and the Milky Way. Proposed upgrades to this array through the next-generation EHT (ngEHT)...

  • Review
  • Open Access
12 Citations
8,047 Views
25 Pages

Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)

  • Kazunori Akiyama,
  • Juan-Carlos Algaba,
  • Tao An,
  • Keiichi Asada,
  • Kitiyanee Asanok,
  • Do-Young Byun,
  • Thanapol Chanapote,
  • Wen Chen,
  • Zhong Chen and
  • Xiaopeng Cheng
  • + 95 authors

7 December 2022

The East Asian VLBI Network (EAVN) is an international VLBI facility in East Asia and is operated under mutual collaboration between East Asian countries, as well as part of Southeast Asian and European countries. EAVN currently consists of 16 radio...

  • Article
  • Open Access
7 Citations
7,261 Views
18 Pages

Analysis of Habitability and Stellar Habitable Zones from Observed Exoplanets

  • Jonathan H. Jiang,
  • Philip E. Rosen,
  • Christina X. Liu,
  • Qianzhuang Wen and
  • Yanbei Chen

3 December 2024

The investigation of exoplanetary habitability is integral to advancing our knowledge of extraterrestrial life potential and detailing the environmental conditions of distant worlds. In this analysis, we explore the properties of exoplanets situated...

  • Review
  • Open Access
20 Citations
6,962 Views
70 Pages

Cosmic Ray Processes in Galactic Ecosystems

  • Ellis R. Owen,
  • Kinwah Wu,
  • Yoshiyuki Inoue,
  • H.-Y. Karen Yang and
  • Alison M. W. Mitchell

Galaxy evolution is an important topic, and our physical understanding must be complete to establish a correct picture. This includes a thorough treatment of feedback. The effects of thermal–mechanical and radiative feedback have been widely co...

  • Review
  • Open Access
92 Citations
6,455 Views
30 Pages

10 April 2024

Growing supermassive black holes (Active Galactic Nuclei; AGN) release energy with the potential to alter their host galaxies and larger-scale environment; a process named “AGN feedback”. Feedback is a required component of galaxy formati...

  • Article
  • Open Access
59 Citations
6,003 Views
35 Pages

Reference Array and Design Consideration for the Next-Generation Event Horizon Telescope

  • Sheperd S. Doeleman,
  • John Barrett,
  • Lindy Blackburn,
  • Katherine L. Bouman,
  • Avery E. Broderick,
  • Ryan Chaves,
  • Vincent L. Fish,
  • Garret Fitzpatrick,
  • Mark Freeman and
  • Antonio Fuentes
  • + 19 authors

18 October 2023

We describe the process to design, architect, and implement a transformative enhancement of the Event Horizon Telescope (EHT). This program—the next-generation Event Horizon Telescope (ngEHT)—will form a networked global array of radio di...

  • Review
  • Open Access
70 Citations
5,934 Views
31 Pages

We review the application of the one-dimensional Mixing Length Theory (MLT) model of convection in stellar interiors and low-mass stellar evolution. We summarize the history of MLT, present a derivation of MLT in the context of 1D stellar structure e...