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Related papers: FARSIDE: A Low Radio Frequency Interferometric Arr…

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Radio arrays provide a scalable route to detecting extensive air showers from ultra-high-energy cosmic rays, but trigger studies for candidate layouts are expensive when every energy, arrival direction, core position and trigger…

Instrumentation and Methods for Astrophysics · Physics 2026-05-29 Xin Xu , Pengfei Zhang , Fufu Yang , Pengxiong Ma , Ramesh Koirala , Chao Zhang

An X-ray Interferometer (XRI) has recently been proposed as a theme for ESA's Voyage 2050 planning cycle, with the eventual goal to observe the X-ray sky with an unprecedented angular resolution better than 1 micro arcsec (5 prad) [1]. A…

Instrumentation and Methods for Astrophysics · Physics 2021-07-19 Roland den Hartog , Phil Uttley , Richard Willingale , Henk Hoevers , Jan-Willem den Herder , Michael Wise

The very low frequency (VLF) regime below 30 MHz in the electromagnetic spectrum has presently drawing global attentions in radio astronomical research due to its potentially significant science outcomes exploring many unknown extragalactic…

Instrumentation and Methods for Astrophysics · Physics 2021-06-02 Linjie Chen , Yihua Yan , Qiuxiang Fan , Lihong Geng , S. K. Bisoi

High quality low-frequency radio surveys have the promise of advancing our understanding of many important topics in astrophysics, including the life cycle of active galactic nuclei (AGN), particle acceleration processes in jets, the…

The antennas of NASA's Madrid Deep Space Communications Complex (MDSCC) in Robledo de Chavela are available as single-dish radio astronomical facilities during a significant percentage of their operational time. Current instrumentation…

The trajectory design for the Dark Ages Radio Explorer (DARE) mission con-cept involves launching the DARE spacecraft into a geosynchronous transfer orbit (GTO) as a secondary payload. From GTO, the spacecraft then transfers to a lunar…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 Anthony L. Genova , Fan Yang Yang , Andres Dono Perez , Ken F. Galal , Nicolas T. Faber , Scott Mitchell , Brett Landin , Abhirup Datta , Jack O. Burns

The low-frequency sky below $\sim$15 MHz (20 m) is obscured by the Earth's ionosphere, the layer of charged particles above the neutral atmosphere. Single spacecraft have made measurements in this band, but cannot achieve high or even…

Instrumentation and Methods for Astrophysics · Physics 2024-04-15 Mary Knapp , Lenny Paritsky , Ekaterina Kononov , Melodie M. Kao

In this letter, we introduce the concept and experimentally demonstrate an ultralong Faraday laser as an optical frequency standard in principle. The ultralong Faraday laser is based on the Faraday anomalous dispersion optical filter…

Atomic Physics · Physics 2015-02-10 Chuanwen Zhu , Mo Chen , Xiaogang Zhang , Xiaobo Xue , Duo Pan , Jingbiao Chen

We present the first deep polarimetric study of Galactic synchrotron emission at low radio frequencies. Our study is based on 21 observations of the European Large Area Infrared Space Observatory Survey-North 1 (ELAIS-N1) field using the…

We experimentally demonstrate a novel interferometric architecture for next-generation gravity missions, featuring a laser ranging interferometer (LRI) that enables monoaxial transmission and reception of laser beams between two optical…

This paper presents the first results of a far-infrared search for protocluster-associated galaxy overdensities using the SPIRE instrument on-board the {\it Herschel} Space Observatory. Large ($\sim$400 arcmin$^{2}$) fields surrounding 26…

LOFAR, the Low-Frequency Array, is a powerful new radio telescope operating between 10 and 240 MHz. LOFAR allows detailed sensitive high-resolution studies of the low-frequency radio sky. At the same time LOFAR also provides excellent short…

Radio astronomy is entering the era of large surveys. This paper describes the plans for wide surveys with the LOw Frequency ARray (LOFAR) and their synergy with large surveys at higher frequencies (in particular in the 1-2 GHz band) that…

Cosmology and Nongalactic Astrophysics · Physics 2010-01-15 R. Morganti , H. Rottgering , I. Snellen , G. Miley , P. Barthel , P. Best , M. Bruggen , G. Brunetti , K. Chyzy , J. Conway , M. Jarvis , M. Lehnert

Far-infrared astronomy has advanced rapidly since its inception in the late 1950's, driven by a maturing technology base and an expanding community of researchers. This advancement has shown that observations at far-infrared wavelengths are…

We present the architectural concept for the Far-Infrared Enhanced Survey Spectrometer (FIRESS) for the Probe Mission for far-IR Astrophysics (PRIMA). FIRESS spans the 24--235 micron range with four R ~ 100 slit-fed grating modules, each…

A Search for Extraterrestrial Life (SETI), based on the possibility of interstellar communication via laser signals, is being designed to extend the search into the near-infrared spectral region (Wright et al, this conference). The…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Jérôme Maire , Shelley A. Wright , Dan Werthimer , Richard R. Treffers , Geoffrey W. Marcy , Remington P. S. Stone , Frank Drake , Andrew Siemion

A pair of resonant laser fields can drive a three-level system into a dark state where it seizes to absorb and emit radiation due to destructive interference. We propose a scheme to search for this resonance by randomly changing the…

Quantum Physics · Physics 2017-02-14 Alexander Holm Kiilerich , Klaus Mølmer

Solar magnetic fields play a key role in understanding the nature of the coronal phenomena. Global coronal magnetic fields are usually extrapolated from photospheric fields, for which farside data is taken when it was at the frontside,…

Solar and Stellar Astrophysics · Physics 2022-04-28 Hyun-Jin Jeong , Yong-Jae Moon , Eunsu Park , Harim Lee

LOFAR, the "low-frequency array", will be one of the first in a new generation of radio telescopes and Square Kilometer Array (SKA) pathfinders that are highly flexible in capability because they are largely software driven. LOFAR will not…

Instrumentation and Methods for Astrophysics · Physics 2009-03-10 J. W. T. Hessels , B. W. Stappers , J. van Leeuwen , LOFAR Transients Key Science Project