نتایج جستجو برای: solar prominence

تعداد نتایج: 127155  

Journal: :International Astronomical Union Colloquium 1998

Journal: :Astronomy & Astrophysics 2003

Hossein Safari, Nasibe Alipour

Solar mini-dimmings can be detect in the Extreme Ultra-Violet coronal eruptions. Here, sequences of 171_A images taken by Solar Dynamic Observatory/Atmospheric Imaging Assembaly on 13 June 2010 are used. In this special day, both of coronal mass ejection and prominence were observed. The average velocities and accelerations of 500 mini-dimmings which were detected using on feature based classif...

2001
J. Freddy Hansen Paul M. Bellan

It has been conjectured that the eruption of a solar prominence can be inhibited if a much larger scale, arched magnetic field straddles the prominence and effectively straps it down. We have demonstrated this effect in a laboratory experiment where a vacuum strapping field acts on a scaled simulation of a solar prominence. The required magnitude of the strapping field is in good agreement with...

Journal: :Proceedings of the International Astronomical Union 2013

2013
N. K. Panesar D. E. Innes S. K. Tiwari B. C. Low

An enormous solar tornado was observed by SDO/AIA on 25 September 2011. It was mainly associated with a quiescent prominence with an overlying coronal cavity. We investigate the triggering mechanism of the solar tornado by using the data from two instruments: SDO/AIA and STEREO-A/EUVI, covering the Sun from two directions. The tornado appeared near to the active region NOAA 11303 that produced ...

Journal: :International Astronomical Union Colloquium 1998

2017
Kartik Palani Ramachandra Kota Amar Prakash Azad Vijay Arya

Solar energy is gaining prominence across the world in response to climate change, depleting reserves, lowering costs, and favorable legislation. However, a key challenge in integrating solar power into the grid is the ability to forecast solar energy production accurately. The variability and uncertainty of solar power can negatively impact grid stability and increase the cycling costs of conv...

Journal: :iranian journal of astronomy and astrophysics 2014
nasibe alipour hossein safari

solar mini-dimmings can be detect in the extreme ultra-violet coronal eruptions. here, sequences of 171_a images taken by solar dynamic observatory/atmospheric imaging assembaly on 13 june 2010 are used. in this special day, both of coronal mass ejection and prominence were observed. the average velocities and accelerations of 500 mini-dimmings which were detected using on feature based classif...

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