Results 181 to 190 of about 5,829 (228)

Measuring the magnetic fields in the chromospheres of low-mass stars

Cang T, Petit P, Donati J, Tian H, Fu J, Li H, Bellotti S, Hu X, Ma X, Ariste AL, Xing K, Morin J, Lu H, Zong W.   +13 more
europepmc   +1 more source

The Sun as a benchmark of flaring activity in stellar coronae [PDF]

AIP Conference Proceedings, 2009
The solar corona is a template to study and understand stellar activity. However the solar corona differs from that of active stars: the Sun has lower X‐ray luminosity, and on average cooler plasma temperatures. Active stellar coronae have a hot peak in their emission measure distribution, EM (T), at 8–20 MK, while the non‐flaring solar corona has a ...
C. Argiroffi, G. Peres, S. Orlando, F. Reale, Eric Stempels   +4 more
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Flares on the Sun and Other Stars

Annual Review of Astronomy and Astrophysics, 1991
Research on solar and stellar flares is reviewed. The characteristics of flares in various spectral regions are described, and the physics of flares is discussed, including the two-ribbon flare model, coronal mass ejections, flare dynamics, white light flare production, and electron beams and proton beams in hard X-ray flares. The analysis of the flare
Bernhard Haisch, Keith T. Strong, Marcello Rodonò   +2 more
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Stellar flares [PDF]

Living Reviews in Solar Physics
Magnetic storms on stars manifest as remarkable, randomly occurring changes of the luminosity over durations that are tiny in comparison to the normal evolution of stars.
Adam Kowalski, Kowalski Adam F
exaly   +3 more sources

Flares on the Sun and Other Stars [PDF]

Journal of Integrated Creative Studies, 2018
Solar and stellar flares represent a transdisciplinary topic, covering the branches of solar physics, stellar astrophysics, space weather and planetary and exo-planetary research.
Heinzel, Petr
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Energetic flare zones on the Sun

Solar Physics, 1987
In this investigation, we have studied the latitudinal, longitudinal (northern and southern hemispheric) distributions based on 1737 major flares observed during solar cycles 19 and 20 (see subsequent paragraphs) and have arrrived at some interesting results which go to show that as far major flares are concerned latitudewise 11–20° belts, and ...
V. K. Verma, M. C. Pande, Wahab Uddin
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A peculiar sodium ?flare? on the sun

Solar Physics, 1967
A peculiar brightening was observed near the centre of the D2 line of Nai on July 28, 1966, in a position where no activity could be seen in the Hα line but where a new important active region formed during the next rotation of the sun. The brightening, first observed at 06:30 UT, progressively faded and disappeared before 07:10 UT.
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