English
Related papers

Related papers: Lunar Orbital VLBI Experiment: motivation, scienti…

200 papers

Two radio-science instruments have included into the Luna-Glob and Luna-Resource projects in the frame of Russian Luna exploration program: the lander's radio beacon and the orbiter's receiver. Three types of experiments are planned:…

Instrumentation and Methods for Astrophysics · Physics 2015-12-16 V. D. Gromov , A. S. Kosov

The Low-Frequency Radio Spectrometer (LFRS) is a scientific payload onboard the Chang'e-4 lunar lander launched in December 2018. The LFRS provides in-situ measurements of the low-frequency radio phenomena on the far-side of the Moon for…

Instrumentation and Methods for Astrophysics · Physics 2021-06-23 Xinying Zhu , Yan Su , Yicai Ji , Hongbo Zhang , Bo Zhao , Xiping Xue , Shun Dai , Junduo Li , Chunlai Li

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…

Instrumentation and Methods for Astrophysics · Physics 2014-07-01 Xiaoyu Hong , Zhiqiang Shen , Tao An , Qinghui Liu , the Chinese Space VLBI Array team

LOX is a lunar-orbiting astrophysics mission that will probe the cosmos at MeV energies. It is guided by open questions regarding thermonuclear, or Type-Ia, supernovae (SNeIa) and will characterize these inherently radioactive objects by…

Very Long Baseline Interferometry (VLBI) provides the finest angular resolution of all astronomical observation techniques. However, observations with Earth-based instruments are approaching fundamental limits on angular resolution. These…

Instrumentation and Methods for Astrophysics · Physics 2025-04-14 Ben Hudson , Leonid I. Gurvits , Daniel Palumbo , Sara Issaoun , Hannah Rana

This paper introduces the first results of observations with the Ultra-Long-Wavelength (ULW) -- Low Frequency Interferometer and Spectrometer (LFIS) on board the selenocentric satellite Longjiang-2. We present a brief description of the…

The Lunar Surface Electromagnetics Explorer 'LuSEE Night' is a low frequency radio astronomy experiment that will be delivered to the farside of the Moon by the NASA Commercial Lunar Payload Services (CLPS) program in late 2025 or early…

The balloon-borne very long baseline interferometry (VLBI) experiment is a technical feasibility study for performing radio interferometry in the stratosphere. The flight model has been developed. A balloon-borne VLBI station will be…

The importance of Very Long Baseline Interferometry (VLBI) for pulsar research is becoming increasingly prominent and receiving more and more attention. In this paper, we present pathfinding pulsar observation results with the Chinese VLBI…

Space very long baseline interferometry (VLBI) has unique applications in high-resolution imaging of fine structure of astronomical objects and high-precision astrometry due to the key long space-Earth or space-space baselines beyond the…

The "Space VLBI 2020: Science and Technology Futures" meeting was the second in The Future of High-Resolution Radio Interferometry in Space series. The first meeting (2018 September 5--6; Noordwijk, the Netherlands) focused on the full…

The Black Hole Explorer (BHEX) will be the first sub-mm wavelength Space Very-Long-Baseline Interferometry (VLBI) mission. It targets astronomical imaging with the highest ever spatial resolution to enable detection of the photon ring of a…

Instrumentation and Methods for Astrophysics · Physics 2025-04-23 T. K. Sridharan , R. Lehmensiek , S. Schwarz , D. P. Marrone

Stellar occultations currently provide the most accurate ground-based measurements of the positions of natural satellites (down to a few kilometres for the Galilean moons). However, when using these observations in the calculation of…

Earth and Planetary Astrophysics · Physics 2023-08-09 M. Fayolle , V. Lainey , D. Dirkx , L. I. Gurvits , G. Cimo , S. J. Bolton

Customized digital backends for Very Long Baseline Interferometry (VLBI) are critical components for radio astronomy observatories. There are several serialized products such as the Digital Baseband Converter (DBBC), Reconfigurable Open…

Instrumentation and Methods for Astrophysics · Physics 2025-02-24 Jiyun Li , Renjie Zhu , Shaoguang Guo , Ping Rui , Zhijun Xu

Modern radio astrometry has reached the limit of the resolution that is determined by the size of the Earth. The only way to overcome that limit is to create the radio telescopes outside our planet. It is proposed to build an autonomous…

Instrumentation and Methods for Astrophysics · Physics 2019-03-21 Sergei L. Kurdubov , Dmitry A. Pavlov , Svetlana M. Mironova , Sergey A. Kaplev

NASA and ESA are preparing a series of human exploration missions using the four-person Orion crew vehicle, launched by NASA's Space Launch System, and a Lunar Orbiting Platform-Gateway (LOP-G) that enable long duration (>30 days)…

Instrumentation and Methods for Astrophysics · Physics 2018-04-26 Jack O. Burns , Terry Fong , David A. Kring , William D. Pratt , Timothy Cichan , Christine M. Edwards

We present the results of several multi-station Very Long Baseline Interferometry (VLBI) experiments conducted with the ESA spacecraft Venus Express as a target. To determine the true capabilities of VLBI tracking for future planetary…

Instrumentation and Methods for Astrophysics · Physics 2012-05-15 Dmitry A. Duev , Guifre Molera Calves , Sergei V. Pogrebenko , Leonid I. Gurvits , Giuseppe Cimo , Tatiana Bocanegra Bahamon

The Lobster Eye Imager for Astronomy (LEIA), a pathfinder of the Wide-field X-ray Telescope of the Einstein Probe (EP) mission, was successfully launched onboard the SATech-01 satellite of the Chinese Academy of Sciences on 27 July 2022. In…

Instrumentation and Methods for Astrophysics · Physics 2023-08-02 Z. X. Ling , X. J. Sun , C. Zhang , S. L. Sun , G. Jin , S. N. Zhang , X. F. Zhang , J. B. Chang , F. S. Chen , Y. F. Chen , Z. W. Cheng , W. Fu , Y. X. Han , H. Li , J. F. Li , Y. Li , Z. D. Li , P. R. Liu , Y. H. Lv , X. H. Ma , Y. J. Tang , C. B. Wang , R. J. Xie , Y. L. Xue , A. L. Yan , Q. Zhang , C. Y. Bao , H. B. Cai , H. Q. Cheng , C. Z. Cui , Y. F. Dai , D. W. Fan , H. B. Hu , J. W. Hu , M. H. Huang , Z. Q. Jia , C. C. Jin , D. Y. Li , J. Q. Li , H. Y. Liu , M. J. Liu , Y. Liu , H. W. Pan , Y. L. Qiu , M. Sugizaki , H. Sun , W. X. Wang , Y. L. Wang , Q. Y. Wu , X. P. Xu , Y. F. Xu , H. N. Yang , X. Yang , B. Zhang , M. Zhang , W. D. Zhang , Z. Zhang , D. H. Zhao , X. Q. Cong , B. W. Jiang , L. H. Li , X. B. Qiu , J. N. Sun , D. T. Su , J. Wang , C. Wu , Z. Xu , X. M. Yang , S. K. Zhang , Z. Zhang , N. Zhang , Y. F. Zhu , H. Y. Ban , X. Z. Bi , Z. M. Cai , W. Chen , X. Chen , Y. H. Chen , Y. Cui , X. L. Duan , Z. G Feng , Y. Gao , J. W. He , T. He , J. J. Huang , F. Li , J. S. Li , T. J. Li , T. T. Li , H. Q. Liu , L. Liu , R. Liu , S. Liu , N. Meng , Q. Shi , A. T. Sun , Y. M. Wang , Y. B. Wang , H. C. Wu , D. X Xu , Y. Q Yang , Y. Yang , X. S. Yu , K. X. Zhang , Y. L. Zhang , Y. H. Zhang , Y. T. Zhang , H. Zhou , X. C. Zhu , J. S. Cheng , L. Qin , L. Wang , Q. L. Wang , M. Bai , R. L. Gao , Z. Ji , Y. R. Liu , F. L. Ma , Y. J. Shi , J. Su , Y. Y. Tan , J. Z. Tong , H. T. Xu , C. B. Xue , G. F. Xue , W. Yuan

Extension of radio interferometric baselines into space is inevitable if a diffraction-limited angular resolution defined by the Earth diameter at a given observing wavelength limits a pursuit of specific scientific goals. This was…

Instrumentation and Methods for Astrophysics · Physics 2018-10-03 Leonid I. Gurvits

We present result of processing of data of ground-space VLBI experiment titled W068. Particularly, one part of data of that observational session is successfully processed. These data were obtained on 2000 March 17 between 9:00 UT and 10:30…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Andrey Chuprikov , Igor Guirin
‹ Prev 1 2 3 10 Next ›