English
Related papers

Related papers: Hinode Observations of Magnetic Elements in Intern…

200 papers

The advection of internetwork magnetic elements by supergranular convective flows is investigated using high spatial resolution, high cadence, and high signal-to-noise ratio Na I D1 magnetograms obtained with the Hinode satellite. The…

Solar and Stellar Astrophysics · Physics 2024-01-15 D. Orozco Suárez , L. R. Bellot Rubio , Y. Katsukawa

We study the structure of the magnetic elements in network-cell interiors. A quiet Sun area close to the disc centre was observed with the spectro-polarimeter of the Solar Optical Telescope on board the Hinode space mission, which yielded…

Astrophysics · Physics 2009-11-13 R. Rezaei , O. Steiner , S. Wedemeyer-Böhm , R. Schlichenmaier , W. Schmidt , B. W. Lites

The quiet Sun internetwork is permeated by weak and highly inclined magnetic fields whose physical properties, dynamics, and magnetic interactions are not fully understood. High spatial resolution magnetograms show them as discrete magnetic…

Solar and Stellar Astrophysics · Physics 2012-03-13 D. Orozco Suárez , L. R. Bellot Rubio , Y. Katsukawa

The study of spatial and temporal scales on which small magnetic structures (magnetic elements) are organized in the quiet Sun may be approached by determining how they are transported on the solar photosphere by convective motions. The…

Solar and Stellar Astrophysics · Physics 2015-06-16 F. Giannattasio , D. Del Moro , F. Berrilli , L. Bellot Rubio , M. Gosic , D. Orozco Suarez

Solar inter-network magnetic field is the weakest component of solar magnetism, but contributes most of the solar surface magnetic flux. The study on its origin has been constrained by the inadequate tempo-spatial resolution and sensitivity…

Solar and Stellar Astrophysics · Physics 2015-05-26 Chunlan Jin , Jingxiu Wang

The current study aims to quantify characteristic features of bipolar flux appearance of solar intranetwork (IN) magnetic elements. To attack such a problem, we use the Narrow-band Filter Imager (NFI) magnetograms from the Solar Optical…

Solar and Stellar Astrophysics · Physics 2012-03-06 Jingxiu Wang , Guiping Zhou , Chunlan Jin , Hui Li

Using the data observed by the Solar Optical Telescope/Spectro-Polarimeter aboard the Hinode satellite, the horizontal and vertical fields are derived from the wavelength-integrated measures of Zeeman-induced linear and circular…

Solar and Stellar Astrophysics · Physics 2011-02-11 Chunlan Jin , Jingxiu Wang , Guiping Zhou

We present results from the analysis of Fe I 630 nm measurements of the quiet Sun taken with the spectropolarimeter of the Hinode satellite. Two data sets with noise levels of 1.2{\times}10-3 and 3{\times}10-4 are employed. We determine the…

Solar and Stellar Astrophysics · Physics 2015-06-04 D. Orozco Suárez , L. R. Bellot Rubio

Small-scale internetwork magnetic fields are important ingredients of the quiet Sun. In this paper we analyze how they appear and disappear on the solar surface. Using high resolution Hinode magnetograms, we follow the evolution of…

Solar and Stellar Astrophysics · Physics 2016-04-08 Milan Gošić , Luis R. Bellot Rubio , Jose Carlos Del Toro Iniesta , David Orozco Suárez , Yukio Katsukawa

We investigate the emergence of magnetic flux in the quiet Sun at very small spatial scales, focusing on the magnetic connection between the photosphere and chromosphere. The observational data consist of spectropolarimetric measurements…

Solar and Stellar Astrophysics · Physics 2009-07-22 M. J. Martinez Gonzalez , L. R. Bellot Rubio

We describe the characteristics and evolution of the magnetic field and chromospheric emission in an active region core observed by the Solar Optical Telescope on Hinode. Consistent with previous studies, we find that the moss is unipolar,…

Solar and Stellar Astrophysics · Physics 2015-05-19 David H. Brooks , Harry P. Warren , Amy R. Winebarger

We use G-band and Ca II H image sequences from the Dutch Open Telescope (DOT) to study magnetic elements that appear as bright points in internetwork parts of the quiet solar photosphere and chromosphere. We find that many of these bright…

Astrophysics · Physics 2008-11-26 A. G. de Wijn , R. J. Rutten , E. M. W. P. Haverkamp , P. Sütterlin

Recent dedicated Hinode polar region campaigns revealed the presence of concentrated kilogauss patches of magnetic field in the polar regions of the Sun which are also shown to be correlated with facular bright points at the photospheric…

Solar and Stellar Astrophysics · Physics 2019-04-17 Nancy Narang , Dipankar Banerjee , Kalugodu Chandrashekhar , Vaibhav Pant

We examine whether or not it is possible to derive the field strength distribution of quiet Sun internetwork regions from very high spatial resolution polarimetric observations in the visible. In particular, we consider the case of the…

Astrophysics · Physics 2009-11-13 D. Orozco Suarez , L. R. Bellot Rubio , J. C. del Toro Iniesta

We investigate the evolution of 5 granular-scale magnetic flux cancellations just outside the moat region of a sunspot by using accurate spectropolarimetric measurements and G-band images with the Solar Optical Telescope aboard Hinode. The…

Solar and Stellar Astrophysics · Physics 2015-05-18 M. Kubo , B. C. Low , B. W. Lites

The dynamic properties of the quiet Sun photosphere can be investigated by analyzing the pair dispersion of small-scale magnetic fields (i.e., magnetic elements). By using $25$ hr-long Hinode magnetograms at high spatial resolution…

Solar and Stellar Astrophysics · Physics 2015-02-16 F. Giannattasio , F. Berrilli , L. Biferale , D. Del Moro , M. Sbragaglia , L. Bellot Rubio , M. Gosic , D. Orozco Suarez

We analyze Fe I 630 nm observations of the quiet Sun at disk center taken with the spectropolarimeter of the Solar Optical Telescope aboard the Hinode satellite. A significant fraction of the scanned area, including granules, turns out to…

The motions of small-scale magnetic flux elements in the solar photosphere can provide some measure of the Lagrangian properties of the convective flow. Measurements of these motions have been critical in estimating the turbulent diffusion…

Solar and Stellar Astrophysics · Physics 2018-02-27 Piyush Agrawal , Mark P. Rast , Milan Gosic , Luis R. Bellot Rubio , Matthias Rempel

The magnetic network observed on the solar surface harbors a sizable fraction of the total quiet Sun flux. However, its origin and maintenance are not well known. Here we investigate the contribution of internetwork magnetic fields to the…

Solar and Stellar Astrophysics · Physics 2015-06-22 Milan Gošić , Luis R. Bellot Rubio , David Orozco Suárez , Yukio Katsukawa , Jose Carlos Del Toro Iniesta

In this work, we focus in the magnetic evolution of a small region as seen by Hinode-SP during the time interval of about one hour. High-cadence LOS magnetograms and velocity maps were derived, allowing the study of different small-scale…

Solar and Stellar Astrophysics · Physics 2012-09-05 J. Palacios , L. A. Balmaceda , S. Vargas Domínguez , I. Cabello , V. Domingo
‹ Prev 1 2 3 10 Next ›