/   Home   /   Newsroom   /   Research News

Scientists Discover Evolutionary Features of the Energy Tunnel in the Solar Atmosphere

May 23, 2018     Email"> PrintText Size

The energy, transported from the photosphere through countless energy tunnels to the chromosphere and the corona, drives the solar activity and the eruption as well as heats the corona. Manifestations of these tunnels in the photosphere provide the key information for understanding the physics of the process of the energy transportation.

In the photosphere, numerous bright and point-like features are frequently observed and are known as the magnetic bright point (MBP), or bright point (BP). They are the intersection of and are considered as the reliable tracer of the energy tunnel. Tracking MBPs and investigating their kinematic and dynamic properties are important to learn where the energy comes from and how it is stored, which helps to solve the problem of the corona heating and predict solar activities.

LIU Yanxiao and the collaborators at the Yunnan Observatories of Chinese Academy of Sciences discovered splitting and merging phenomenon of the tunnel for the energy transportation in the solar atmosphere from the photosphere to the corona. This study, published in The Astrophysical Journal, provided an essential evidence for how the solar corona is heated, a century-long puzzle in the field of the solar physics.

The researchers developed a novel algorithm for identifying and tracking BPs automatically. This algorithm could recognize and identify the BPs that experienced splitting and/or merging, distinguish them from those that did not split or merge, and track them for a long time.

By analyzing the data of high quality and resolution observed with the wonderful and stable seeing by the New Vacuum Solar Telescope (NVST) of Yunnan Observatories located by the Fuxian Lake, they found that although most of the energy tunnels remained unchanging topologically during their lifetime, quite many of them still experienced splitting and merging as the energy propagates through them, which have not been reported yet.

This study provided brand new observational evidence for studying features and physical properties of the energy tunnels, which further opens a new window to the behavior of the energy transportation as the energy tunnel deforms, and offers observational constraints for theories and models of the corona heating, as well as the energy storage prior to the major solar eruption.

Attachment:

(Editor: LIU Jia)

Contact

LIU Yanxiao

Yunnan Observatories

Phone:
E-mail: liuyanxiao@ynao.ac.cn

Related Articles

solar;cell;;perovskite;;chargeable;fabric;;nanotechnology;;solar;power

New Solar Cell Fabric Charges Your Devices While You Wear It

Jun 02, 2015

Using perovskite, scientists have come up with a way to potentially create solar cell thread which could be used to create chargeable fabric. Scientists around the world are exploring ways to use the mineral perovskite in solar cells. Cells with perovs...

solar;adaptive;sun;High-resolution;images;sunspot;achieved;team;structure;Observatory;

High-resolution Images of Sunspot Achieved Simultaneously in Visible and Near Infrared Wavelength

Sep 08, 2011

The solar adaptive team achieved high-resolution corrected images of sunspot and sun’s granulation structure in March 2011.Also,the team was awarded the funding from Astronomy Joint fund of national natural science foundation of China on“high–resolu...

solar;AO;research;CAS;sun;system;structure;adaptive;optics;physics;

High-Resolution Images of Sun's Granulation Structure and Sunspot at near Infrared (NIR) Captured

Apr 29, 2011

High-resolution images of sun’s granulation structure and sunspot at near infrared(NIR)wavelength were captured through 37-element solar adaptive optics(AO)NIR prototype mounted the 1-meter infrared solar tower of Yunnan Observatory Feb. The successfu...

Contact Us

Copyright © 2002 - Chinese Academy of Sciences