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The white paper discusses Arecibo Observatory's plan for facility improvements and activities over the next decade. The facility improvements include: (a) improving the telescope surface, pointing and focusing to achieve superb performance…

As the use of solar power increases, having accurate and timely forecasts will be essential for smooth grid operators. There are many proposed methods for forecasting solar irradiance / solar power production. However, many of these methods…

Machine Learning · Computer Science 2023-07-11 Timothy Cargan , Dario Landa-Silva , Isaac Triguero

Monitoring of the Sun and its activity is a task of growing importance in the frame of space weather research and awareness. Major space weather disturbances at Earth have their origin in energetic outbursts from the Sun: solar flares,…

Solar and Stellar Astrophysics · Physics 2016-02-09 Astrid M. Veronig , Werner Pötzi

The previous generation of astronomical instruments tended to consist of single receivers in the focal point of one or more physical reflectors. Because of this, most astronomical data sets were small enough that the raw data could easily…

Instrumentation and Methods for Astrophysics · Physics 2019-10-30 Yan Guillaume Grange , Kevin Vinsen , Juan Carlos Guzman , José Alfredo Parra , Jan David Mol , Rosly Renil , Christoper Schollar

Long-term synoptic observations of the Sun are critical for advancing our understanding of Sun as an astrophysical object, understanding the solar irradiance and its role in solar-terrestrial climate, for developing predictive capabilities…

The European Solar Telescope (EST) is a project of a new-generation solar telescope. It has a large aperture of 4~m, which is necessary for achieving high spatial and temporal resolution. The high polarimetric sensitivity of the EST will…

Instrumentation and Methods for Astrophysics · Physics 2018-11-05 Jan Jurcak , Manuel Collados , Jorrit Leenaarts , Michiel van Noort , Rolf Schlichenmaier

In the framework of the Europlanet-RI program, a prototype of Virtual Observatory dedicated to Planetary Science was defined. Most of the activity was dedicated to the elaboration of standards to retrieve and visualize data in this field,…

Instrumentation and Methods for Astrophysics · Physics 2017-05-25 S. Erard , B. Cecconi , P. Le Sidaner , J. Berthier , F. Henry , C. Chauvin , N. Andre , V. Genot , C. Jacquey , M. Gangloff , N. Bourrel , B. Schmitt , M. T. Capria , G. Chanteur

The Large High Altitude Air Shower Observatory project is proposed to study high energy gamma ray astronomy ( 40 GeV-1 PeV ) and cosmic ray physics ( 20 TeV-1 EeV ). The wide field of view Cherenkov telescope array, as a component of the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 L. L. Ma , Y. X. Bai , Z. Cao , M. J. Chen , L. H. Chen , S. Z. Chen , Y. Chen , K. Q. Ding , H. H. He , J. Liu , J. L. Liu , X. X. Li , X. H. Ma , X. D. Sheng , G. Xiao , M. Zha , S. S. Zhang , Y. Zhang , J. Zhao , B. Zhou

Forecasting optical turbulence in the Earth's atmosphere has been an ambitious challenge for the astronomical scientific community for several decades. While earlier research primarily focused on whether it was possible to predict optical…

Instrumentation and Methods for Astrophysics · Physics 2025-10-27 Elena Masciadri , Alessio Turchi , Camilo Weinberger , Marlene De Sepibus , Luca Fini

The determination of photospheric abundances in late-type stars from spectroscopic observations is a well-established field, built on solid theoretical foundations. Improving those foundations to refine the accuracy of the inferred…

Solar and Stellar Astrophysics · Physics 2016-07-27 Carlos Allende Prieto

The Southern Wide-field Gamma-ray Observatory (SWGO) Collaboration is currently engaged in design and prototyping work towards the realisation of this future gamma-ray facility. SWGO will complement CTA and the existing ground-particle…

Instrumentation and Methods for Astrophysics · Physics 2021-11-29 Jim Hinton

Technical description of the new project called All Sky Automated Survey and results of the tests of our prototype instrument are presented. The ultimate goal of this project is photometric monitoring of the large area of the sky with fully…

Astrophysics · Physics 2007-05-23 G. Pojmanski

The Sunrise balloon-borne solar observatory consists of a 1m aperture Gregory telescope, a UV filter imager, an imaging vector polarimeter, an image stabilization system and further infrastructure. The first science flight of Sunrise…

This paper is an overview of studying the solar features in a complex network approach. First, we introduce the structural features of complex networks and important network parameters. Applying the detrended fluctuation and rescaled range…

Solar and Stellar Astrophysics · Physics 2024-10-15 Somayeh Taran

High precision astrometry provides the foundation to resolve many fundamental problems in astrophysics. The application of astrometric studies spans a wide range of fields, and has undergone enormous growth in recent years. This is as a…

Instrumentation and Methods for Astrophysics · Physics 2019-10-30 Maria Rioja , Richard Dodson

In coming years, Australia may find the need to build new optical telescopes to continue local programmes, contribute to global survey projects, and form a local multi-wavelength connection for the new radio telescopes being built. In this…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Claire E. Hotan , Steven J. Tingay , Karl Glazebrook

Twenty multiple stellar systems with solar-type primaries were observed at high angular resolution using the PALM-3000 adaptive optics system at the 5 m Hale telescope. The goal was to complement the knowledge of hierarchical multiplicity…

Solar and Stellar Astrophysics · Physics 2015-10-07 Lewis C. Roberts, , Andrei Tokovinin , Brian D. Mason , William I. Hartkopf , Reed L. Riddle

Solar and heliospheric cosmic rays provide a unique perspective in cosmic ray research: we can observe not only the particles, but also the properties of the plasmas in which the they are accelerated and propagate, using in situ and…

Space Physics · Physics 2017-02-20 T. Laitinen

The solar observatory Einstein Tower (Einsteinturm) at the Telegrafenberg in Potsdam is both a landmark of modern architecture and an important place for solar physics. Originally built for high-resolution spectroscopy and measuring the…

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