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Broad band flux-density monitoring of radio sources with the Onsala twin telescopes
The Onsala twin telescopes (OTT) are two 13 m telescopes located at the Onsala Space Observatory in Sweden. With dual linear polarized broad-band...
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SunbYte: an autonomous pointing framework for low-cost robotic solar telescopes on high altitude balloons
The design and usability of a fully autonomous robotic control system (SunbYte - Sheffield University Balloon “lYfted” TElescope) for solar tracking...
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Simultaneous Detection of the High Energy and Optical Transients by Čerenkov Telescopes
In order to detect and investigate short optical flares connected with GRBs, the use of very large, wide field “bad” mirrors is proposed and...
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Optical Telescopes at Devasthal Observatory, Nainital
Three modern optical telescopes of sizes 1.3-m, 3.6-m, and 4-m are installed at Devasthal, Nainital, located in the central Himalayan region of...
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Stellar Spectroscopy Technique on Small- and Intermediate-Diameter Telescopes
Abstract —We briefly present the history of technical solutions aimed at improving the efficiency of spectroscopy on small- and moderate-diameter...
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Detecting Anomalies: A Case Study in Predictive Maintenance of Telescopes
A predictive maintenance (PdM) approach is considered among the best solution for the maintenance, as it introduces a lot of advantages among which...
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Extremely Large Telescopes (ELTs): Imaging Performance and Imaging Path Characterization
A self-contained analytical equation tool set is developed in this chapter using an approach similar to that used in Chap. 13...
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Laboratory Simulation of Images Formed by Large Telescopes
Scaling procedures are described for use in the design and construction of optical simulators that enable the creation of images in the laboratory...
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Study of Climate from the Lunar Surface and the Energy Imbalance between the Earth and Space
Abstract—Long-term high-precision monitoring of the Earth energy imbalance (EEI) requires new long-term stable space platforms for continuous and...
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Gravitational deformation of ring-focus antennas for VGOS: first investigations at the Onsala twin telescopes project
The receiving properties of radio telescopes used in geodetic and astrometric very long baseline interferometry (VLBI) depend on the surface quality...
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Superconducting Receivers for Space, Balloon, and Ground-Based Sub-Terahertz Radio Telescopes
We give a review of both our own original scientific results of the development of superconducting receivers for sub-terahertz astronomy and the main...
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Big Telescopes and Observatories: Hi-Tech Challenges for Great Astronomical Science
A brief historical excursus of how astronomy developed to its present-day status is presented, commenting on the main discoveries that made possible...
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Astronomical adaptive optics: a review
Since the concept of adaptive optics(AO) was proposed in 1953, AO has become an indispensable technology for large aperture ground-based optical...
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Cosmic Peepholes: A Timeline of Astronomical Tools and Techniques
Our ever-increasing knowledge of the cosmos comes from our ever-improving telescopes and related instruments. Thanks to earlier pioneers, we are now...
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T-ReCS and Michelle: The Mid-Infrared Spectroscopic Capabilities of the Gemini Observatory
Gemini Observatory’s northern and southern telescopes are both presently being outfitted with facility mid-infrared imagers/spectrometers. This will...
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Binoculars for the Beginner
While binoculars are technically twin telescopes, the design and function of modern binoculars are significantly different from modern amateur...
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Building a large affordable optical-NIR telescope (I): an alternate way to handle segmented primary mirror
The use of innovative ideas and the latest technology have undoubtedly brought down telescope costs substantially. However, there are still ways to...
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Methods for detection and analysis of weak radio sources with single-dish radio telescopes
The detection of mJy/sub-mJy point sources is a significant challenge for single-dish radio telescopes. Detection or upper limits on the faint...
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OWL-Moon: Very high resolution spectropolarimetric interferometry and imaging from the Moon: exoplanets to cosmology
We outline a concept for OWL-Moon, a 50-100 m aperture telescope located on the surface of the Moon, to address three major areas in astronomy,...
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Magnetic Fields in Chemically Peculiar and Related Stars. IX. Main Results Obtained in 2022 and an Analysis of Immediate Prospects
AbstractWe review the stellar magnetism studies published in 2022. We analyzed a total of 75 papers, which focus mostly on the study of magnetic...