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We present an investigation of the polar crown prominence that erupted on 2012 March 12. This prominence is observed at the southeast limb by SDO/AIA (end-on view) and displays a quasi vertical-thread structure. Bright U-shape/horn-like…

Solar and Stellar Astrophysics · Physics 2015-07-15 Yingna Su , Adriaan van Ballegooijen , Patrick I. McCauley , Haisheng Ji , Katharine K. Reeves , Edward E. DeLuca

A large polar-crown prominence composed of different segments spanning nearly the entire solar disk erupted on 2010 December 6. Prior to the eruption, the filament in the active region part splits into two layers: a lower layer and an…

Solar and Stellar Astrophysics · Physics 2015-06-12 Yingna Su , Adriaan van Ballegooijen

Polar crown prominences are made of chromospheric plasma partially circling the Suns poles between 60 and 70 degree latitude. We aim to diagnose the 3D dynamics of a polar crown prominence using high cadence EUV images from the Solar…

Solar and Stellar Astrophysics · Physics 2015-06-18 N. K. Panesar , D. E. Innes , D. J. Schmit , S. K. Tiwari

We report the first analyses of SDO/AIA observations of the formation of a quiescent polar crown prominence in a coronal cavity. The He II 304 \AA\ (log T_{max} ~ 4.8 K) data show both the gradual disappearance of the prominence due to…

Solar and Stellar Astrophysics · Physics 2014-04-04 Thomas E. Berger , Wei Liu , B. C. Low

Two large northern polar crown prominences that erupted on 2010 April 13 and 2010 August 1 were analysed using images obtained from the Extreme UltraViolet Imager on the twin Solar Terrestrial Relations Observatory spacecraft. Several…

Solar and Stellar Astrophysics · Physics 2015-05-27 Anand D. Joshi , Nandita Srivastava

The Solar Dynamics Observatory (SDO) was launched in February 2010 and is now providing an unprecedented view of the solar activity at high spatial resolution and high cadence covering a broad range of temperature layers of the atmosphere.…

Solar and Stellar Astrophysics · Physics 2015-05-28 S. Regnier , R. W. Walsh , C. E. Alexander

We report an observation of a partially erupting prominence and associated dynamical plasma processes based on observations recorded by the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory (SDO). The prominence…

Solar and Stellar Astrophysics · Physics 2015-06-17 Durgesh Tripathi , Katharine K. Reeves , Sarah E. Gibson , Abhishek Srivastava , Navin C. Joshi

We investigate triggering, activation, and ejection of a solar eruptive prominence that occurred in a multi-polar flux system of active region NOAA 11548 on 2012 August 18 by analyzing data from AIA on board SDO, RHESSI, and EUVI/SECCHI on…

Solar and Stellar Astrophysics · Physics 2016-12-07 Bhuwan Joshi , Upendra Kushwaha , Astrid Veronig , Kyung-Suk Cho

Context. Prominence eruptions provide key observations to understand the launch of coronal mass ejections as their cold plasma traces a part of the unstable magnetic configuration. Aims. We select a well observed case to derive…

Solar and Stellar Astrophysics · Physics 2021-03-24 Pooja Devi , Pascal Démoulin , Ramesh Chandra , Reetika Joshi , Brigitte Schmieder , Bhuwan Joshi

We report observation of a large-amplitude filament oscillation followed by an eruption. This is used to probe the pre-eruption condition and the trigger mechanism of solar eruptions. We used the EUV images from the Extreme-Ultraviolet…

Astrophysics · Physics 2009-11-11 Hiroaki Isobe , Durgesh Tripathi

On 2010 August 1, a global solar event was launched involving almost the entire Earth-facing side of the Sun. This event mainly consisted of a C3.2 flare, a polar crown filament eruption and two Earth-directed coronal mass ejections (CMEs).…

Solar and Stellar Astrophysics · Physics 2015-05-28 Ting Li , Jun Zhang , Yuzong Zhang , Shuhong Yang

We analyze the characteristics of a quiescent polar prominence using the Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO). Initially, small-scale barb-like structures are evident on the solar disk, which…

Solar and Stellar Astrophysics · Physics 2020-12-09 Sudheer K. Mishra , Abhishek K. Srivastava , P. F. Chen

Prominence eruption is closely related to coronal mass ejections and is an important topic in solar physics. Spectroscopic observation is an effective way to explore the plasma properties, but the spectral observations of eruptive…

Solar and Stellar Astrophysics · Physics 2021-11-08 Jianchao Xue , Hui Li , Yang Su

Continuous observations were obtained of active region 10953 with the Solar Optical Telescope (SOT) on board the \emph{Hinode} satellite during 2007 April 28 to May 9. A prominence was located over the polarity inversion line (PIL) in the…

We report the observations of a moderate but relatively intense geo-effective solar eruption on 2015 November 4 from the peripheral diffusive polarities of active region 12443. We use space-borne Solar Dynamics Observatory and ACE…

Solar and Stellar Astrophysics · Physics 2018-08-22 Rui Wang , Ying D. Liu , Huidong Hu , Xiaowei Zhao

Magnetic flux rope is believed to be an important structural component of coronal mass ejections (CMEs). While there exist much observational evidence of the flux rope after the eruption, e.g., as seen in remote-sensing coronagraph images…

Solar and Stellar Astrophysics · Physics 2015-05-27 X. Cheng , J. Zhang , Y. Liu , M. D. Ding

Imaging solar coronal condensation forming prominences was difficult in the past, a situation recently changed by Hinode and SDO. We present the first example observed with SDO/AIA, in which material gradually cools through multiple EUV…

Solar and Stellar Astrophysics · Physics 2015-03-13 Wei Liu , Thomas E. Berger , B. C. Low

Observations of the early rise and propagation phases of solar eruptive prominences can provide clues about the forces acting on them through the behavior of their acceleration with height. We have analyzed such an event, observed on 13…

Solar and Stellar Astrophysics · Physics 2012-05-17 M. Mierla , D. B. Seaton , D. Berghmans , I. Chifu , A. De Groof , B. Inhester , L. Rodriguez , G. Stenborg , A. N. Zhukov

During 2011/09/24, as observed by the Atmospheric Imaging Assembly (AIA) instrument of the Solar Dynamic Observatory (SDO) and ground-based \Ha\ telescopes, a prominence and associated cavity appeared above the southwest limb. On 2011/09/25…

Solar and Stellar Astrophysics · Physics 2015-06-05 Xing Li , Huw Morgan , Drew Leonard , Lauren Jeska

A bright prominence associated with a coronal mass ejection (CME) was seen erupting from the Sun on 9 April 2008. This prominence was tracked by both the Solar Terrestrial Relations Observatory (STEREO) EUVI and COR1 telescopes, and was…

Solar and Stellar Astrophysics · Physics 2011-12-16 W. T. Thompson , B. Kliem , T. Török
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