Kepler main sequence star super-flare

We wrote and used an automated flare detection Python script to search for super-flares on main sequence stars of types A, F, G, K and M in Kepler's long-cadence data from Q0 to Q17. We studied the statistical properties of the occurrence rate of super-flares. For the G-type data set, we compared our results with the previous results of Okamoto et al. by splitting the data set into four rotational bands. We found similar power-law indices for the flare frequency distribution. Hence, we show that inclusion of a high-pass filter, sample biases, gyrochronology and completeness of flare detection is of no significance, as our results are similar to those of Okamoto et al. We estimated that a super-flare on G-type dwarfs with energy of 1035 erg occurs on a star once every 4360yr. We found 4637 super-flares on 1896 G-type dwarfs. Moreover, we identified 321, 1125, 4538 and 5445 super-flares on 136, 522, 770 and 312 dwarfs of types A, F, K and M, respectively. We ascertained that the occurrence rate (dN/dE) of super-flares versus flare energy, E, shows a power-law distribution with dN/dE{prop.to}E^-{alpha}^, where {alpha}~2.0 to 2.1 for the spectral types from F-type to M-type stars. In contrast, the obtained {alpha}~1.3 for A-type stars suggests that the flare conditions differ from those of the other spectral-type stars. We note an increase in flare incidence rate in F-type to M-type stars and a decrease in A-type to F-type stars.

Cone search capability for table J/other/RAA/23.H5017/atype (Parameters of super-flare stars, A-type)

Cone search capability for table J/other/RAA/23.H5017/ftype (Parameters of super-flare stars, F-type)

Cone search capability for table J/other/RAA/23.H5017/gtype (Parameters of super-flare stars, G-type)

Cone search capability for table J/other/RAA/23.H5017/ktype (Parameters of super-flare stars, K-type)

Cone search capability for table J/other/RAA/23.H5017/mtype (Parameters of super-flare stars, M-type)

Identifier
Source https://dc.g-vo.org/rr/q/lp/custom/CDS.VizieR/J/other/RAA/23.H5017
Related Identifier https://cdsarc.cds.unistra.fr/viz-bin/cat/J/other/RAA/23.H5017
Related Identifier http://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/other/RAA/23.H5017
Metadata Access http://dc.g-vo.org/rr/q/pmh/pubreg.xml?verb=GetRecord&metadataPrefix=oai_b2find&identifier=ivo://CDS.VizieR/J/other/RAA/23.H5017
Provenance
Creator Althukair A.K.; Tsiklauri D.
Publisher CDS
Publication Year 2023
Rights https://cds.unistra.fr/vizier-org/licences_vizier.html
OpenAccess true
Contact CDS support team <cds-question(at)unistra.fr>
Representation
Resource Type Dataset; AstroObjects
Discipline Astrophysics and Astronomy; Natural Sciences; Observational Astronomy; Physics; Stellar Astronomy