Authors: Sascha Trippe, Taehyun Jung, Jung-Won Lee, Jan Wagner, Jeong-Yeol Han, Wonseok Kang, Jae-Hyun Kyeong, Jae-Young Kim, Jongho Park, Jeffrey A. Hodgson

Published on: April 09, 2023

Impact Score: 8.22

Arxiv code: Arxiv:2304.06482

Summary

• What is new: Introduces Capella, a space-only Very long baseline radio interferometry (VLBI) system with unprecedented angular resolutions using small satellites.
• Why this is important: Ground-based VLBI is limited by Earth’s size, antenna distribution, and atmospheric transparency.
• What the research proposes: Capella uses four satellites with high-frequency receivers for improved VLBI across a broad scientific spectrum.
• Results: Capella can achieve 7 microarcsec resolution and nearly complete uv plane coverage in three days.

Technical Details

Technological frameworks used: Dedicated versions of existing Fourier transform (FX) software correlators.

Models used: nan

Data used: nan

Potential Impact

Aerospace and space exploration industries, telescope and satellite manufacturers, astronomy and astrophysics research sectors.

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