Results 11 to 20 of about 171,183 (290)

Detecting Stellar Flares in Photometric Data Using Hidden Markov Models [PDF]

open access: yesThe Astrophysical Journal
We present a hidden Markov model (HMM) for discovering stellar flares in light-curve data of stars. HMMs provide a framework to model time series data that are nonstationary; they allow for systems to be in different states at different times and ...
J. Arturo Esquivel   +7 more
doaj   +2 more sources

Interior Heating of Rocky Exoplanets from Stellar Flares with Application to TRAPPIST-1 [PDF]

open access: yes, 2022
Many stars of different spectral types with planets in the habitable zone are known to emit flares. Until now, studies that address the long-term impact of stellar flares and associated coronal mass ejections (CMEs) assumed that the planet's interior ...
Bower, Daniel J.   +4 more
core   +2 more sources

Probing Non-Thermal Processes in Stellar Flares on AU Mic [PDF]

open access: yes
The role of non-thermal proton energy transportation during solar and stellar flares is largely unknown; greater insight into this physical process will allow us to better understand potential deficiencies in our stellar flare models.
Gibson, Adalyn
core   +7 more sources

A catalogue of white-light flares observed by Yohkoh [PDF]

open access: yes, 2003
The aspect camera of the Soft X-ray Telescope (SXT) on Yohkoh provided the first systematic survey of white-light flares from an observatory in space. The observations were made in the Fraunhofer g-band at a pixel size of 2.46 arcsec and a typical sample
H. S. Hudson   +7 more
core   +1 more source

Splinter Session "Solar and Stellar Flares"

open access: yes, 2017
This summary reports on papers presented at the Cool Stars-16 meeting in the splinter session "Solar and Stellar flares." Although many topics were discussed, the main themes were the commonality of interests, and of physics, between the solar and ...
H. S. Hudson (7742606)   +10 more
core   +7 more sources

Analysis of Solar-like X-class Flare on Wolf 359 Observed Simultaneously with TESS and XMM-Newton

open access: yesThe Astrophysical Journal, 2023
We present an analysis of a flare on the Wolf 359 star based on simultaneous observations of Transiting Exoplanet Survey Satellite and XMM-Newton. A stellar flare with energy comparable to an X-class solar flare is analyzed on this star for the first ...
M. Pietras   +5 more
doaj   +1 more source

THE KEPLER CATALOG OF STELLAR FLARES [PDF]

open access: yesThe Astrophysical Journal, 2016
ABSTRACT A homogeneous search for stellar flares has been performed using every available Kepler light curve. An iterative light curve de-trending approach was used to filter out both astrophysical and systematic variability to detect flares.
openaire   +2 more sources

The formation and stability of Petschek reconnection [PDF]

open access: yes, 2014
E. R. Priest is grateful to the Leverhulme Trust. T. G. Forbes received support from NASA grant NNX-10AC04G to the University of New Hampshire. H. Baty acknowledges support by French National Research Agency (ANR) through Grant ANR-13-JS05-0003-01 ...
E. R. Priest   +5 more
core   +1 more source

Polarimetry of stellar active regions and flares [PDF]

open access: yesSolar Physics, 1989
AbstractObservations of regular and irregular polarimetric variability in late-type stars are reviewed, and the related physical and geometrical effects are discussed. There are indications that the irregular part of the variability could be caused by transient events, possibly associated with flares.
I. Tuominen   +4 more
openaire   +1 more source

Solar and Stellar Flares [PDF]

open access: yesHighlights of Astronomy, 1989
AbstractThis review concentrates on some selected topics concerning the release of magnetic energy and associated phenomena in flares. Emphasis is on microflares, recent studies of different phases of flares, and propagation and trapping of flare accelerated electrons. The ongoing analysis of the observations of the previous solar cycle reaches a state
openaire   +2 more sources

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