Results 41 to 50 of about 81,210 (254)

Wide-field corrector for a Gregorian telescope

Astronomy Reports, 2007
12 ...
openaire   +2 more sources

2D Nanomaterials Toward Function‐Ready Superlubricity in Advanced Microsystems

Advanced Materials, EarlyView.
A unified framework links structural and transformation superlubricity with microsystem functions and deployment requirements. Mechanisms, device architectures, integration strategies, AI‐guided discovery, and benchmarking protocols are connected to define function‐ready superlubricity in advanced microsystems.
Yushan Geng, Jun Yang, Yong Yang
wiley   +1 more source

The New SDSS 2.5 m Telescope Wide-field Corrector for SDSS-V

The Astronomical Journal
SDSS-V is the fifth generation of the Sloan Digital Sky Survey and is an ambitious follow-up to a project that has been producing ground-breaking science for more than two decades.
Stephen A. Smee, Robert H. Barkhouser, Randolph P. Hammond, Albert C. Harding, Aidan C. Gray, Solange Ramirez, Stefanie Wachter, Juna Kollmeier, John Downey, Jamey E. Eriksen, Dmitry Bizyaev, Dylan Gatlin, Katie Grabowski, Karen Kinemuchi, Daniel Oravetz, Audrey Oravetz, Dan Long, Viktor Malanushenko, Fred Mrozek, Tracy Naugle, Kaike Pan, Ryan Wagner, John C. Wilson   +22 more
doaj   +1 more source

Twin High-Resolution, High-Speed Imagers for the Gemini Telescopes: Instrument Description and Science Verification Results

Frontiers in Astronomy and Space Sciences, 2021
Two new imaging instruments, ‘Alopeke and Zorro, were designed, built, and commissioned at the Gemini-North and Gemini-South telescopes in 2018 and 2019, respectively. Here we describe them and present the results from over a year of operation.
Nicholas J. Scott, Steve B. Howell, Crystal L. Gnilka, Andrew W. Stephens, Ricardo Salinas, Rachel A. Matson, Elise Furlan, Elliott P. Horch, Mark E. Everett, David R. Ciardi, Dave Mills, Emmett A. Quigley   +11 more
doaj   +1 more source

Properties and Performance of Two Wide Field of View Cherenkov/Fluorescence Telescope Array Prototypes

, 2011
A wide field of view Cherenkov/fluorescence telescope array is one of the main components of the Large High Altitude Air Shower Observatory project.
Abraham, Abraham, Abraham, Abu-Zayyad, Ahn, Aielli, B. Zhou, Bird, Boyer, Cao, Cao, G. Xiao, H.H. He, J. Liu, J. Zhao, J.L. Liu, K.Q. Ding, L.H. Chen, L.L. Ma, M. Zha, M.J. Chen, Nonaka, S.S. Zhang, S.Z. Chen, X.D. Sheng, X.H. Ma, X.X. Li, Y. Chen, Y. Zhang, Y.X. Bai, Yi-Qing, Z. Cao, Zatsepin   +32 more
core   +1 more source

Wide field interferometric imaging with single-mode fibers [PDF]

, 2002
Classical single-mode fiber interferometers, using one fiber per aperture, have very limited imaging capabilities and small field of view. Observations of extended sources (resolved by one aperture) cannot be fully corrected for wavefront aberrations ...
Berger, Berger, Coudé du Foresto, Coudé du Foresto, Guyon, Labeyrie, Malbet, Mariotti, Mariotti, O. Guyon, Ruilier, Shaklan, Warner   +12 more
core   +2 more sources

From Rigid to Soft Robotic Approaches for Neuroendoscopy

Advanced Robotics Research, EarlyView.
Robotic assistance has had minimal impact on deep intraventricular surgeries, where small‐scale, precision, and reduced invasiveness can contribute to improved patient outcomes. Emerging technologies in rigid, soft, and hybrid robotics are reviewed to identify the most promising mechanisms for deep brain navigation in addition to an attempt to identify
Kieran Gilday, Irena Zubak, Andreas Raabe, Josie Hughes   +3 more
wiley   +1 more source

A Robust Geometric Distortion Solution for the Main Survey Camera of CSST

The Astronomical Journal
The advancement in sensitivity and field of view of next-generation wide-field survey telescopes requires astrometric measurements with high precision, even in the presence of significant geometric distortions.
Yibo Yan, You Wu, Jundan Nie, Tianmeng Zhang, Chao Liu, Zhang Ban, Zihuang Cao, Wei Du, Yuedong Fang, Yi Hu, Guoliang Li, Xiaobo Li, Chenxiaoji Ling, Jiaqi Lin, Dezi Liu, Yu Luo, Bin Ma, Xianmin Meng, Juanjuan Ren, Li Shao, Hao Tian, Chengliang Wei, Peng Wei, Shoulin Wei, Yun-Ao Xiao, Zhou Xie, Su Yao, Yan Yu, Shengwen Zhang, Xin Zhang, Bowei Zhao, Zhimin Zhou, Hu Zou   +32 more
doaj   +1 more source

Magnitude Standardization Procedure for OWL-Net Optical Observations of LEO Satellites [PDF]

Journal of Astronomy and Space Sciences, 2015
As a governmentally approved domestic entity for Space Situational Awareness, Korea Astronomy and Space Science Institute (KASI) is developing and operating an optical telescopes system, Optical Wide-field PatroL (OWL) Network. During the test phase of
Dong-Goo Roh, Jin Choi, Jung Hyun Jo, Hong-Suh Yim, Sun-Youp Park, Maru Park, Young-Jun Choi, Young-Ho Bae, Young-Sik Park, Hyun-Jung Jang, Sungki Cho, Ji-Hye Kim, Jang-Hyun Park   +12 more
doaj   +1 more source

Wide Field X-ray Telescope: a moderate class mission [PDF]

SPIE Proceedings, 2010
Sensitive surveys of the X-ray universe have been limited to small areas of the sky due to the intrinsically small field of view of Wolter-I X-ray optics, whose angular resolution degrades with the square of the off axis angle. High angular resolution is needed to achieve a low background per source, minimize source confusion, and distinguish point ...
S. S. Murray, R. Giacconi, A. Ptak, P. Rosati, M. Weisskopf, S. Borgani, C. Jones, G. Pareschi, P. Tozzi, R. Gilli, S. Campana, PAOLILLO, MAURIZIO, G. Tagliaferri, M. Bautz, A. Vikhlinin, R. Hickox, W. Forman   +16 more
openaire   +3 more sources