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Related papers: Large-scale Array for Radio Astronomy on the Farsi…

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The Far-side Array for Radio Science Investigations of the Dark ages and Exoplanets (FARSIDE) is a proposed mission concept to the lunar far side that seeks to deploy and operate an array of 128 dual-polarization, dipole antennas over a…

Due to ionosphere absorption and the interference by natural and artificial radio emissions, astronomical observation from the ground becomes very difficult at the wavelengths of decametre or longer, which we shall refer as the ultralong…

Instrumentation and Methods for Astrophysics · Physics 2020-11-26 Xuelei Chen , Jingye Yan , Li Deng , Fengquan Wu , Lin Wu , Yidong Xu , Li Zhou

FARSIDE (Farside Array for Radio Science Investigations of the Dark ages and Exoplanets) is a Probe-class concept to place a low radio frequency interferometric array on the farside of the Moon. A NASA-funded design study, focused on the…

Ground-based observation at frequencies below 30 MHz is hindered by the ionosphere of the Earth and radio frequency interference. To map the sky at these low frequencies, we have proposed the Discovering the Sky at the Longest wavelength…

Instrumentation and Methods for Astrophysics · Physics 2021-12-22 Yuan Shi , Yidong Xu , Li Deng , Fengquan Wu , Lin Wu , Qizhi Huang , Shifan Zuo , Jingye Yan , Xuelei Chen

This is the final report submitted to NASA for a Probe-class concept study of the "Farside Array for Radio Science Investigations of the Dark ages and Exoplanets" (FARSIDE), a low radio frequency interferometric array on the farside of the…

An array of low-frequency dipole antennas on the lunar farside surface will probe a unique, unexplored epoch in the early Universe called the Dark Ages. It begins at Recombination when neutral hydrogen atoms formed, first revealed by the…

A new era of exploration of the low radio frequency Universe from the Moon will soon be underway with landed payload missions facilitated by NASA's Commercial Lunar Payload Services (CLPS) program. CLPS landers are scheduled to deliver two…

Instrumentation and Methods for Astrophysics · Physics 2021-02-05 Jack O. Burns , Robert MacDowall , Stuart Bale , Gregg Hallinan , Neil Bassett , Alex Hegedus

Several radio telescopes have been planned or proposed to be deployed on the Lunar farside in the coming years. These will observe the unexplored ultra-long wavelengths of the electromagnetic spectrum from the lunar farside's unique…

Instrumentation and Methods for Astrophysics · Physics 2025-10-17 Nivedita Mahesh , Judd D Bowman , Bharat Gehlot , Danny Jacobs

The farside of the Moon is a pristine, quiet platform to conduct low radio frequency observations of the early Universe's Dark Ages, as well as space weather and magnetospheres associated with habitable exoplanets. In this paper, the…

Instrumentation and Methods for Astrophysics · Physics 2021-03-03 Jack O. Burns

FarView is a proposed low frequency radio interferometer for deployment on the lunar far side, enabled by the Moon's radio quiet environment. Operating over 1-50 MHz inaccessible from Earth, FarView will open a new observational window and…

The Lunar Laser Ranging (LLR) experiment has accumulated 50 years of range data of improving accuracy from ground stations to the laser retroreflector arrays (LRAs) on the lunar surface. The upcoming decade offers several opportunities to…

The Low Frequency Array (LOFAR) is a new generation of electronic radio telescope based on aperture array technology and working in the frequency range of 30-240 MHz. The telescope is being developed by ASTRON, and currently being…

Instrumentation and Methods for Astrophysics · Physics 2009-09-18 M. A. Garrett

Low-frequency radio astronomy is limited by severe ionospheric distortions below 50 MHz and complete reflection of radio waves below 10-30 MHz. Shielding of man-made interference from long-range radio broadcasts, strong natural radio…

Cosmology and Nongalactic Astrophysics · Physics 2009-03-09 Sebastian Jester , Heino Falcke

The ultra-long wavelength sky ($\nu\lesssim 30$ MHz) is still largely unexplored, as the electromagnetic wave is heavily absorbed and distorted by the ionosphere on Earth. The far-side of the Moon, either in lunar-orbit or on lunar-surface,…

Astrophysics of Galaxies · Physics 2025-11-04 Qige Ao , Furen Deng , Yidong Xu , Bin Yue , Huanyuan Shan , Xuelei Chen

The origin and evolution of structure in the Universe could be studied in the Dark Ages. The highly redshifted HI signal between 30 < z < 80 is the only observable signal from this era. Human radio interference and ionospheric effects limit…

Instrumentation and Methods for Astrophysics · Physics 2023-07-24 Zoe A. Le Conte , Martin Elvis , Philipp A. Gläser

We report on the realization of a long-haul radio frequency (RF) transfer scheme by using multiple-access relay stations (MARSs). The proposed scheme with independent link noise compensation for each fiber sub-link effectively solves the…

Signal Processing · Electrical Eng. & Systems 2022-05-25 Qi Li , Liang Hu , Jinbo Zhang , Jianping Chen , Guiling Wu

LOFAR, the Low Frequency Array, is a large radio telescope consisting about 100 soccer field sized antenna stations spread over a region of 400 km in diameter. It will operate in the frequency range from ~10 to 240 MHz, with a resolution at…

The past decade has seen the rise of various radio astronomy arrays, particularly for low-frequency observations below 100MHz. These developments have been primarily driven by interesting and fundamental scientific questions, such as…

Instrumentation and Methods for Astrophysics · Physics 2016-01-28 Raj Thilak Rajan , Albert-Jan Boonstra , Mark Bentum , Marc Klein-Wolt , Frederik Belien , Michel Arts , Noah Saks , Alle-Jan van der Veen

By volume, more than 99% of the solar system has not been imaged at radio frequencies. Almost all of this space (the solar wind) can be traversed by fast electrons producing radio emissions at frequencies lower than the terrestrial…

Solar and Stellar Astrophysics · Physics 2011-05-04 R. J. MacDowall , T. J. Lazio , S. D. Bale , J. Burns , W. M. Farrell , N. Gopalswamy , D. L. Jones , K. W. Weiler

FarView is an early-stage concept for a large, low-frequency radio observatory, manufactured in-situ on the lunar far side using metals extracted from the lunar regolith. It consists of 100,000 dipole antennas in compact subarrays…

Instrumentation and Methods for Astrophysics · Physics 2024-04-08 Ronald S. Polidan , Jack O. Burns , Alex Ignatiev , Alex Hegedus , Jonathan Pober , Nivedita Mahesh , Tzu-Ching Chang , Gregg Hallinan , Yuhong Ning , Judd Bowman
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