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Related papers: SOLIS-VSM Solar Vector Magnetograms

200 papers

Magnetic sensing platform techniques have been used in many years in an attempt to better evaluate the likelihood of recoverable hydrocarbon reservoirs by determining the depth and pattern of sedimentary rock formations containing magnetic…

Geophysics · Physics 2021-10-19 Huan Liu , Haobin Dong , Jian Ge , Zheng Liu

We present the scientific case for a future space-based telescope aimed at very high spatial and temporal resolution imaging of the solar photosphere and chromosphere. Previous missions (e.g., HINODE, SUNRISE) have demonstrated the power of…

Radio astronomy observations at frequencies below 10~MHz could provide valuable science, such as measuring the cosmic dark age signal in the redshifted 21~cm hydrogen absorption line, detecting exoplanetary auroral emissions which lead to…

Instrumentation and Methods for Astrophysics · Physics 2025-08-26 Ekaterina Kononov , Mary Knapp

Quiet Sun magnetism plays an important role in the global energy balance of the solar atmosphere. The study of the magnetism of the quiet Sun has been a major effort in the last decades, and, as a result, very important advances in our…

Solar and Stellar Astrophysics · Physics 2025-06-18 Juan Carlos Trelles Arjona

Huairou Solar Observing Station of the National Astronomical Observatories of the Chinese Academy of Sciences has been in operation since 1987. Successful observations of the solar vector magnetic field have been conducted during its…

Solar and Stellar Astrophysics · Physics 2025-05-02 Hongqi Zhang , Jiangtao Su , Xiaofan Wang , Xingming Bao , Yu Liu , Yingzi Sun , Mingyu Zhao

The underlying symmetry of the crystal, electronic structure, and magnetic structure manifests itself in the anisotropy of materials' properties, which is a central topic of the present condensed matter research. However, it demands such a…

Materials Science · Physics 2025-10-10 Kosuke Noda , Kenta Seki , Dilip Bhoi , Kazuyuki Matsubayashi , Kazuto Akiba , Akihiko Ikeda

We have released an archive of all observational data of the VUV spectrometer Solar Ultraviolet Measurements of Emitted Radiation (SUMER) on SOHO that has been acquired until now. The operational phase started with 'first light'…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Werner Curdt , Dietmar Germerott , Klaus Wilhelm , Udo Schühle , Luca Teriaca , Davina Innes , Karine Bocchialini , Philippe Lemaire

This is the first in a series of papers presenting methods and results from the Young Solar Analogs Project, which began in 2007. This project monitors both spectroscopically and photometrically a set of 31 young (300 - 1500 Myr) solar-type…

Solar and Stellar Astrophysics · Physics 2015-12-23 R. O. Gray , J. M. Saken , C. J. Corbally , M. M. Briley , R. A. Lambert , V. A. Fuller , I. M. Newsome , M. F. Seeds , Y. Kahvaz

Magnetic resonance of sodium fluorescence is studied with varying laser intensity, duty cycle, and field strength. A magnetometer based on sodium vapor cell filled with He buffer gas is demonstrated, which uses a single amplitude-modulated…

Optics · Physics 2018-02-14 Tingwei Fan , Lei Zhang , Xuezong Yang , Shuzhen Cui , Tianhua Zhou , Yan Feng

Photometry from the Kepler mission is optimized to detect small, short duration signals like planet transits at the expense of long-term trends. This long-term variability can be recovered in photometry from the Full Frame Images (FFIs), a…

Solar and Stellar Astrophysics · Physics 2017-12-27 Benjamin T. Montet , Guadalupe Tovar , Daniel Foreman-Mackey

In the present work, we investigate how the large-scale magnetic field of the Sun, in its three vector components, has evolved during most of cycle 24, from 2010 Jan to 2018 Apr. To filter out the small-scale field of the Sun, present in…

Solar and Stellar Astrophysics · Physics 2018-08-01 A. A. Vidotto , L. Lehmann , M. Jardine , A. Pevtsov

In this study we present the study of solar active regions based on BOAO vector magnetograms and $H\alpha$ filtergrams. With the new calibration method we analyzed BOAO vector magnetograms taken from the SOFT observational system to compare…

Astrophysics · Physics 2007-05-23 Y. -J. Moon , Y. D. Park , H. S. Yun , E. -A. Cho

Over the last eight years, the Visual and Infrared Mapping Spectrometer (VIMS) aboard the Cassini orbiter has returned hyperspectral images in the 0.35-5.1 micron range of the icy satellites and rings of Saturn. These very different objects…

During the last decade, the FORS1 instrument of the ESO VLT has been extensively used to study stellar magnetism. A number of interesting discoveries of magnetic fields in several classes of stars have been announced, many of which obtained…

Solar and Stellar Astrophysics · Physics 2015-06-03 S. Bagnulo , J. D. Landstreet , L. Fossati , O. Kochukhov

We have analyzed the total solar irradiance (TSI) and the spectral solar irradiance as ultraviolet emission (UV) in the wavelength range 115-180 nm, observed with the instruments TIM and SOLSTICE within the framework of SORCE (The Solar…

Solar and Stellar Astrophysics · Physics 2013-07-25 E. E. Benevolenskaya , I. G. Kostuchenko

The measurement of solar magnetic fields using the Zeeman effect diagnostics has a fundamental 180 degree ambiguity in the determination of the azimuth angle of the transverse field component. There are several methods that are used in the…

Solar and Stellar Astrophysics · Physics 2015-06-11 Sanjay Gosain , Alexei A. Pevtsov

The removal of magnetic flux from the quiet-sun photosphere is important for maintaining the statistical steady-state of the magnetic field there, for determining the magnetic flux budget of the Sun, and for estimating the rate of energy…

Solar and Stellar Astrophysics · Physics 2015-06-16 Derek A. Lamb , Timothy A. Howard , Craig E. DeForest , Clare E. Parnell , Brian T. Welsch

NASA's Interface Region Imaging Spectrograph (IRIS) provides high resolution observations of the solar atmosphere through UV spectroscopy and imaging. Since the launch of IRIS in June 2013, we have conducted systematic observation campaigns…

Magnetic field imaging is a valuable resource for signal source localization and characterization. This work reports an optically pumped magnetometer (OPM) based on the free-induction-decay (FID) protocol, that implements microfabricated…

High cadence, multi-wavelength observations and simulations are employed for the analysis of solar photospheric magnetic bright points (MBPs) in the quiet Sun. The observations were obtained with the Rapid Oscillations in the Solar…

Solar and Stellar Astrophysics · Physics 2015-06-11 P. H. Keys , M. Mathioudakis , D. B. Jess , S. Shelyag , D. J. Christian , F. P. Keenan