0000000001234372

AUTHOR

Alex Feller

showing 3 related works from this author

FULLY RESOLVED QUIET-SUN MAGNETIC FLUX TUBE OBSERVED WITH THE SUNRISE/IMAX INSTRUMENT

2010

Until today, the small size of magnetic elements in quiet Sun areas has required the application of indirect methods, such as the line-ratio technique or multi-component inversions, to infer their physical properties. A consistent match to the observed Stokes profiles could only be obtained by introducing a magnetic filling factor that specifies the fraction of the observed pixel filled with magnetic field. Here, we investigate the properties of a small magnetic patch in the quiet Sun observed with the IMaX magnetograph on board the balloon-borne telescope Sunrise with unprecedented spatial resolution and low instrumental stray light. We apply an inversion technique based on the numerical s…

PhysicsPhotosphereFlux tubeStray lightFOS: Physical sciencesAstronomy and AstrophysicsField strengthAstrophysicsMagnetic fluxMagnetic fieldAstrophysics - Solar and Stellar AstrophysicsSpace and Planetary ScienceRadiative transferAstrophysics::Solar and Stellar AstrophysicsSunriseSolar and Stellar Astrophysics (astro-ph.SR)The Astrophysical Journal
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The Second Flight of the Sunrise Balloon-borne Solar Observatory: Overview of Instrument Updates, the Flight, the Data, and First Results

2017

S. K. Solanki et. al.

Brightness010504 meteorology & atmospheric sciencesphotosphere [Sun]PolarimetryFOS: Physical scienceschromosphere [Sun]Sun: faculae plagesAstrophysicspolarimetric [Techniques]01 natural scienceslaw.inventionTelescopelaw0103 physical sciencesAstrophysics::Solar and Stellar AstrophysicsSunrisefaculae plages [Sun]Sun: magnetic fields010303 astronomy & astrophysicsSolar and Stellar Astrophysics (astro-ph.SR)0105 earth and related environmental sciencesPhysicsPhotosphereSolar observatorySunspotsSun: chromosphereTechniques: polarimetricSun: photosphereAstronomy and AstrophysicsPolarimeterAstrophysics - Solar and Stellar Astrophysicsmagnetic fields [Sun]Space and Planetary ScienceData reductionThe Astrophysical Journal Supplement Series
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ADAHELI+: Exploring the fast, dynamic Sun in the X-ray, optical, and near-infrared

2015

Advanced Astronomy for Heliophysics Plus (ADAHELI+) is a project concept for a small solar and space weather mission with a budget compatible with an European Space Agency (ESA) S-class mission, including launch, and a fast development cycle. ADAHELI+ was submitted to the European Space Agency by a European-wide consortium of solar physics research institutes in response to the "Call for a small mission opportunity for a launch in 2017," of March 9, 2012. The ADAHELI+ project builds on the heritage of the former ADAHELI mission, which had successfully completed its phase-A study under the Italian Space Agency 2007 Small Mission Programme, thus proving the soundness and feasibility of its in…

Mechanical EngineeringSunAstronomy and AstrophysicsFabry-PérotFabry-Pérot; infrared spectroscopy; polarimetry; satellites; Sun; X-rays; Control and Systems Engineering; Electronic Optical and Magnetic Materials; Instrumentation; Astronomy and Astrophysics; Mechanical Engineering; Space and Planetary ScienceFabry-PérotsatellitesSettore FIS/05 - Astronomia E AstrofisicaControl and Systems EngineeringSpace and Planetary ScienceX-raysElectronicFabry-Pérot; infrared spectroscopy; polarimetry; satellites; Sun; X-rays; Electronic Optical and Magnetic Materials; Control and Systems Engineering; Instrumentation; Astronomy and Astrophysics; Mechanical Engineering; Space and Planetary ScienceOptical and Magnetic MaterialsSettore FIS/06 - Fisica per il Sistema Terra e Il Mezzo Circumterrestreinfrared spectroscopyInstrumentationpolarimetry
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