Search Results - "Peter, Hardi"
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1
The Width Distribution of Loops and Strands in the Solar Corona-Are We Hitting Rock Bottom?
Published in The Astrophysical journal (01-05-2017)“…In this study, we analyze Atmospheric Imaging Assembly (AIA) and Hi-C images in order to investigate absolute limits for the finest loop strands. We develop a…”
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2
Magnetic Reconnection at the Earliest Stage of Solar Flux Emergence
Published in The Astrophysical journal (20-02-2018)“…On 2016 September 20, the Interface Region Imaging Spectrograph observed an active region during its earliest emerging phase for almost 7 hr. The Helioseismic…”
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3
Investigating the Transition Region Explosive Events and Their Relationship to Network Jets
Published in The Astrophysical journal (01-03-2019)“…Recent imaging observations with the Interface Region Imaging Spectrograph (IRIS) have revealed prevalent intermittent jets with apparent speeds of 80-250 km…”
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4
Frequently Occurring Reconnection Jets from Sunspot Light Bridges
Published in The Astrophysical journal (20-02-2018)“…Solid evidence of magnetic reconnection is rarely reported within sunspots, the darkest regions with the strongest magnetic fields and lowest temperatures in…”
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5
Generation of solar spicules and subsequent atmospheric heating
Published in Science (American Association for the Advancement of Science) (15-11-2019)“…Spicules are rapidly evolving fine-scale jets of magnetized plasma in the solar chromosphere. It remains unclear how these prevalent jets originate from the…”
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6
On-disk Solar Coronal Condensations Facilitated by Magnetic Reconnection between Open and Closed Magnetic Structures
Published in The Astrophysical journal (01-04-2021)“…Abstract Coronal condensation and rain are a crucial part of the mass cycle between the corona and chromosphere. In some cases, condensation and subsequent…”
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7
Relation of Coronal Rain Originating from Coronal Condensations to Interchange Magnetic Reconnection
Published in The Astrophysical journal (01-12-2020)“…Using extreme-ultraviolet images, we recently proposed a new and alternative formation mechanism for coronal rain along magnetically open field lines due to…”
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8
Eruption of a Million-Kelvin Warm Magnetic Flux Rope on the Sun
Published in The Astrophysical journal (01-06-2024)“…Abstract Solar magnetic flux rope (MFR) plays a central role in the physics of coronal mass ejections (CMEs). It mainly includes a cold filament at typical…”
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9
Failed Solar Eruption of a Multithermal Flux Rope
Published in Astrophysical journal. Letters (01-12-2022)“…Abstract A magnetic flux rope (FR), hosting hot plasma, is thought to be central to the physics of coronal mass ejections. Such FRs are widely observed with…”
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10
Repeated Coronal Condensations Caused by Magnetic Reconnection between Solar Coronal Loops
Published in The Astrophysical journal (10-10-2019)“…We recently presented coronal condensations, caused by magnetic reconnection (MR) between coronal loops from extreme ultraviolet observations, over the course…”
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11
Formation of Cool and Warm Jets by Magnetic Flux Emerging from the Solar Chromosphere to Transition Region
Published in The Astrophysical journal (01-01-2018)“…In the solar atmosphere, jets are ubiquitous at various spatial-temporal scales. They are important for understanding the energy and mass transports in the…”
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12
Effects of Coronal Density and Magnetic Field Distributions on a Global Solar EUV Wave
Published in The Astrophysical journal (20-06-2019)“…We investigate a global extreme-ultraviolet (EUV) wave associated with a coronal mass ejection (CME)-driven shock on 2017 September 10. The EUV wave is…”
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13
Evidence for and Analysis of Multiple Hidden Coronal Strands in Cross-sectional Emission Profiles: Further Results from NASA’s High-resolution Solar Coronal Imager
Published in The Astrophysical journal (01-10-2020)“…Abstract Previous work utilizing NASA’s High-resolution Coronal Imager (Hi-C 2.1) 172 Å observations revealed that, even at the increased spatial scales…”
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14
Magnetic Reconnection between Loops Accelerated By a Nearby Filament Eruption
Published in The Astrophysical journal (01-02-2021)“…Abstract Magnetic reconnection modulated by nonlocal disturbances in the solar atmosphere has been investigated theoretically, but rarely observed. In this…”
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15
Flug in die rätselhafte Sonnenkorona
Published in Physik in unserer Zeit (01-09-2024)Get full text
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16
Two Solar Tornadoes Observed with the Interface Region Imaging Spectrograph
Published in The Astrophysical journal (10-01-2018)“…The barbs or legs of some prominences show an apparent motion of rotation, which are often termed solar tornadoes. It is under debate whether the apparent…”
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17
Reconfiguration and Eruption of a Solar Filament by Magnetic Reconnection with an Emerging Magnetic Field
Published in The Astrophysical journal (01-08-2022)“…Abstract Both observations and simulations suggest that the solar filament eruption is closely related to magnetic flux emergence. It is thought that the…”
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18
Is the High-Resolution Coronal Imager Resolving Coronal Strands? Results from AR 12712
Published in The Astrophysical journal (01-04-2020)“…Following the success of the first mission, the High-Resolution Coronal Imager (Hi-C) was launched for a third time (Hi-C 2.1) on 2018 May 29 from the White…”
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19
Solar Ultraviolet Bursts
Published in Space science reviews (01-12-2018)“…The term “ultraviolet (UV) burst” is introduced to describe small, intense, transient brightenings in ultraviolet images of solar active regions. We…”
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20
Fine-scale Explosive Energy Release at Sites of Prospective Magnetic Flux Cancellation in the Core of the Solar Active Region Observed by Hi-C 2.1, IRIS, and SDO
Published in The Astrophysical journal (10-12-2019)“…The second Hi-C flight (Hi-C 2.1) provided unprecedentedly high spatial and temporal resolution (∼250 km, 4.4 s) coronal EUV images of Fe ix/x emission at 172…”
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