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A new generation of interferometric instruments is emerging which aim to use intensity mapping of redshifted $21\,$cm radiation to measure the large-scale structure of the Universe at $z\simeq 1-2$ over wide areas of sky. While these…

宇宙学与河外天体物理 · 物理学 2017-08-16 Martin White , Nikhil Padmanabhan

Nulling interferometry is a technique providing high angular resolution which is the core of the space missions Darwin and the Terrestrail Planet Finder. The first objective is to reach a deep degree of starlight cancelation in the range 6…

天体物理学 · 物理学 2009-06-23 L. Labadie , P. Kern , P. Labeye , E. Le Coarer , C. Vigreux-Bercovici , A. Pradel , J. -E. Broquin , V. Kirschner

The in-ice radio interferometric phased array technique for detection of high energy neutrinos looks for Askaryan emission from neutrinos interacting in large volumes of glacial ice, and is being developed as a way to achieve a low energy…

The Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences (CAS) is studying a space VLBI (Very Long Baseline Interferometer) program. The ultimate objective of the program is to image the immediate vicinity of the…

天体物理仪器与方法 · 物理学 2014-07-01 Xiaoyu Hong , Zhiqiang Shen , Tao An , Qinghui Liu , the Chinese Space VLBI Array team

We apply TDI, unfolding the general triangular configuration, to the special case of a linear array of three spacecraft. We show that such an array ("SyZyGy") has, compared with an equilateral triangle GW detector of the same scale,…

广义相对论与量子宇宙学 · 物理学 2009-11-10 F. B. Estabrook , J. W. Armstrong , Massimo Tinto , William Folkner

China is planning to construct a new space-borne gravitational-wave (GW) observatory, the TianQin project, in which the spaceborne telescope is an important component in laser interferometry. The telescope is aimed to transmit laser beams…

Giant planets like Jupiter and Saturn, play important roles in the formation and habitability of Earth-like planets. The detection of solar system analogs that have multiple cold giant planets is essential for our understanding of planet…

The Bustling Universe Radio Survey Telescope in Taiwan (BURSTT) is a new-generation wide-angle radio telescope specifically designed to survey Fast Radio Bursts (FRBs), energetic millisecond-duration pulses of unknown extragalactic origin.…

天体物理仪器与方法 · 物理学 2026-04-23 Kai-Yang Lin , Chih-Yi Wen , Homin Jiang , Jen-Hung Wang , Sujin Eie , Shih-Hao Wang , Yao-Huan Tseng , Hsien-Chun Tseng , Daniel Baker , Ue-Li Pen

TianQin is a space-based laser interferometric gravitational wave detector aimed at detecting gravitational waves at low frequencies (0.1 mHz -- 1 Hz). It is formed by three identical drag-free spacecrafts in an equilateral triangular…

广义相对论与量子宇宙学 · 物理学 2018-04-18 Xin-Chun Hu , Xiao-Hong Li , Yan Wang , Wen-Fan Feng , Ming-Yue Zhou , Yi-Ming Hu , Shou-Cun Hu , Jian-Wei Mei , Cheng-Gang Shao

The Jiangmen Underground Neutrino Observatory is a multipurpose neutrino experiment designed to determine neutrino mass hierarchy and precisely measure oscillation parameters by detecting reactor neutrinos from the Yangjiang and Taishan…

仪器与探测器 · 物理学 2019-10-24 Cong Guo

LOFAR (Low Frequency Array) is an innovative radio telescope optimized for the frequency range 30-240 MHz. The telescope is realized as a phased aperture array without any moving parts. Digital beam forming allows the telescope to point to…

Radio interferometers have the ability to precisely localize and better characterize the properties of sources. This ability is having a powerful impact on the study of fast radio transients, where a few milliseconds of data is enough to…

天体物理仪器与方法 · 物理学 2018-05-23 C. J. Law , G. C. Bower , S. Burke-Spolaor , B. J. Butler , P. Demorest , A. Halle , S. Khudikyan , T. J. W. Lazio , M. Pokorny , J. Robnett , M. Rupen

This paper reports on the methods and results of a theoretical analysis to design an insulator which must provide a thermally quiet environment to test on ground delicate temperature sensors and associated electronics. These will fly on…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Alberto Lobo , Miquel Nofrarias , Juan Ramos-Castro , Josep Sanjuan

The Submillimeter Array (SMA), a collaboration between the Smithsonian Astrophysical Observatory and the Academica Sinica Institute for Astronomy and Astrophysics of Taiwan, is an eight-element radio-interferometer designed to operate…

We present design equations for a two-element closely-spaced interferometer for measuring the noise temperature of a uniform sky. Such an interferometer is useful for observing highly diffuse radio sources such as the Milky Way and…

天体物理仪器与方法 · 物理学 2020-09-11 Adrian T. Sutinjo , Benjamin McKinley , Leonid Belostotski , Daniel C. X. Ung , Jishnu N. Thekkeppattu

HERA is a highly-redundant transit interferometer with 14\,m-diameter parabolic dish elements. We exploit the fact that the Galactic centre transits through the main beam of the telescope to attempt a conventional self-calibration approach…

天体物理仪器与方法 · 物理学 2017-09-18 Bojan Nikolic , Chris Carilli , HERA Collaboration

The one-meter telescope at Weihai Observatory of Shandong University is an f/8 Cassegrain telescope. Three sets of filters, including Johnson--Cousins UBVRI, Sloan Digital Sky Survey u$'$g$'$r$'$i$'$z$'$ and Str\"{o}mgren uvby, are…

天体物理仪器与方法 · 物理学 2014-06-10 Shao-Ming Hu , Sheng-Hao Han , Di-Fu Guo , Jun-Ju Du

The Submillimeter Array (SMA) was conceived at the Smithsonian Astrophysical Observatory in 1984 as a six element interferometer to operate in the major atmospheric windows from about 200 to 900 GHz. In 1996, the Academica Sinica Institute…

天体物理学 · 物理学 2007-05-23 R. Blundell

Long baseline optical and infrared interferometric arrays achieve high angular resolution and enable detailed astrophysical measurements. Interferometers have enabled observations of stars at various stages of evolution, as well as studies…