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Related papers: UV astronomy with small satellites

200 papers

While tunable filters are a recent development in night time astronomy, they have long been used in other physical sciences, e.g. solar physics, remote sensing and underwater communications. With their ability to tune precisely to a given…

Astrophysics · Physics 2007-05-23 J. Bland-Hawthorn

Far-infrared astronomy has advanced rapidly since its inception in the late 1950's, driven by a maturing technology base and an expanding community of researchers. This advancement has shown that observations at far-infrared wavelengths are…

For centuries, the rich nocturnal environment of the starry sky could be modelled only by analogue tools such as paper planispheres, atlases, globes and numerical tables. The immersive sky simulator of the twentieth century, the…

Instrumentation and Methods for Astrophysics · Physics 2021-04-05 Georg Zotti , Susanne M Hoffmann , Alexander Wolf , Fabien Chéreau , Guillaume Chéreau

The number of satellites on low orbit has dramatically increased over the past years, raising concerns among the astronomical community about their impact on observations. Spectroscopic observations represent a large fraction of…

Instrumentation and Methods for Astrophysics · Physics 2024-01-19 Olivier R. Hainaut Sabine Moehler

Solar sails enable missions to observe the solar environment from unique vantage points, such as sustained observations away from the Sun-Earth line; sub-L1 station keeping; high inclination solar orbits; Earth polar-sitting and…

The lifetime of a satellite is limited, and its calibration may be not stable, it is necessary to continue ground-based measures of the solar diameter with methods less affected by atmospheric turbulence, and optical aberrations: planetary…

Instrumentation and Methods for Astrophysics · Physics 2013-01-21 Costantino Sigismondi

The second data release of ESA's Gaia satellite (Gaia DR2) revolutionised astronomy by providing accurate distances, proper motions, apparent magnitudes, and in many cases temperatures and radial velocities for an unprecedented number of…

Instrumentation and Methods for Astrophysics · Physics 2018-12-18 Tomaž Zwitter

Observations that require large physical instrument dimensions and/or a considerable amount of cryogens, as it is the case for high spatial resolution far infrared (FIR) astronomy, currently still face technological limits for their…

Transient events have posed special problems in astronomy because of the intrinsic difficulty of their detection, and a new class of observatories such as the Pan-STARRS and LSST are coming up specifically to observe these energetic events.…

Astrophysics · Physics 2009-12-03 Margarita Safonova , C. Sivaram , Jayant Murthy

The rapid expansion of satellite constellations is transforming the radio-frequency environment around the Earth. At the same time, radio astronomy is entering a new era of sensitivity and survey capability, requiring unprecedented control…

Instrumentation and Methods for Astrophysics · Physics 2025-12-02 Gregory Hellbourg

The formation of low-mass stars in molecular clouds involves accretion disks and jets, which are of broad astrophysical interest. Accreting stars represent the closest examples of these phenomena. Star and planet formation are also…

Solar and Stellar Astrophysics · Physics 2020-05-21 P. C. Schneider , H. M. Günther , K. France

Mini-EUSO will observe the Earth in the UV range (300 - 400 nm) offering the opportunity to study a variety of atmospheric events such as Transient Luminous Events (TLEs), meteors and marine bioluminescence. Furthermore it aims to search…

Observatories are complex scientific and technical institutions serving diverse users and purposes. Their telescopes, instruments, software, and human resources engage in interwoven workflows over a broad range of timescales. These…

Instrumentation and Methods for Astrophysics · Physics 2014-07-30 Robert L. Seaman , W. Thomas Vestrand , Frederic V. Hessman

Space observatories are having major impacts on our knowledge of the Universe, from the Solar neighborhood to the cosmological background, opening many new windows out of reach to ground-based observatories. Celestial objects emit all over…

Instrumentation and Methods for Astrophysics · Physics 2011-03-18 Catherine Turon

Current burning issues in stellar physics, for both hot and cool stars, concern their magnetism. In hot stars, stable magnetic fields of fossil origin impact their stellar structure and circumstellar environment, with a likely major role in…

With neutrino astronomy just beginning to burgeon, and the prospects of detecting the cosmic neutrino background closer than ever, we live in an era with the unique opportunity not only to investigate the universe with this novel probe, but…

High Energy Physics - Phenomenology · Physics 2021-09-06 Saul Hurwitz

Unmanned aerial vehicles (UAVs) have gained great interest for rapid deployment in both civil and military applications. UAV communication has its own distinctive channel characteristics compared with widely used cellular and satellite…

Signal Processing · Electrical Eng. & Systems 2018-01-24 Aziz Altaf Khuwaja , Yunfei Chen , Nan Zhao , Mohamed-Slim Alouini , Paul Dobbins

Solar UV emission has a profound impact on the upper terrestrial atmosphere. Because of instrumental constraints, however, solar proxies often need to be used as substitutes for the solar spectral variability. Finding proxies that properly…

Space Physics · Physics 2015-05-13 T. Dudok de Wit , M. Kretzschmar , J. Lilensten , T. Woods

Observations in the UV-regime are very important for exoplanet research, because many diagnostically important lines for studying stellar activity are in this regime. Studying stellar activity is not only important because of its negative…

Earth and Planetary Astrophysics · Physics 2021-09-16 Guenther , E. W. , Kabath , P. , Vanzi , L