Results 21 to 30 of about 7,486 (141)
Miniature Patch and Slot Microstrip Arrays for IoT and ISM Band Applications
IEEE Access, 2020 In this paper we present the design and fabrication of a two-antenna array to resonate at 5.8 GHz, a frequency that satisfies a host of applications, especially those associated with the ISM band, but including IoT applications.
Karen N. Olan-Nunez +2 more
doaj +1 more source
Inflatable On-Axis and Off-Axis Space Telescope Designs [PDF]
EPJ Web of ConferencesIn the realm of astronomical scientific exploration, deployable and scalable approaches in space telescope systems are reshaping our understanding of the universe.
Kim Daewook +4 more
doaj +1 more source
Galaxies, 2022 The landmark black hole images recently taken by the Event Horizon Telescope (EHT) have allowed the detailed study of the immediate surroundings of supermassive black holes (SMBHs) via direct imaging. These tantalizing early results motivate an expansion
Sandra Bustamante +4 more
doaj +1 more source
The Fermi Large Area Telescope
, 2022 30 pages, 11 figures; Invited chapter for Handbook of X-ray and Gamma-ray Astrophysics (Eds. C. Bambi and A. Santangelo, Springer Singapore, expected in 2022)
openaire +3 more sources
The Large Magellanic Cloud with the Cherenkov Telescope Array [PDF]
EPJ Web of Conferences, 2019 The Large Magellanic Cloud (LMC) is a spiral galaxy, satellite of the Milky way with a high star formation activity. It represents a unique laboratory for studying an extended and spatially resolved star-forming galaxy through gamma-ray observatories ...
Isabel Bernardos María +6 more
doaj +1 more source
Sensors, 2018 An engineering validation of a large optical telescope consists of executing major performing tests at the subsystem level to verify the overall engineering performance of the observatory.
Unai Mutilba +3 more
doaj +1 more source
Stellar scintillation on large and extremely large telescopes [PDF]
Monthly Notices of the Royal Astronomical Society, 2012 Accepted for publication in MNRAS, 10 pages, 9 ...
openaire +4 more sources
Fiber-Connected Wavefront-Sensing System for Large Segmented Space Telescopes
IEEE Photonics Journal, 2023 A metrology system capable of cofocusing and cophasing is essential to ensure the performance of large segmented space telescopes, similar to that of monolithic telescopes, as well as to image the faintest galaxies.
Qi-Chang An +6 more
doaj +1 more source
Design and Preliminary Ground Experiment for Robotic Assembly of a Modular Space Telescope
IEEE Access, 2019 Large-aperture space telescope is the key equipment for studying the origin and evolution of the universe and various celestial bodies. Developing large-aperture space telescope is challenging and has become a priority in the field of optical engineering.
Zainan Jiang +4 more
doaj +1 more source
The Astronomical Journal, 2023 We present the characterization and definitive flux calibration of the Far-infrared Field Integral Line Spectrometer (FIFI-LS) instrument on board SOFIA.
Dario Fadda +9 more
doaj +1 more source