Table · dataset · 2024
TESS 20 second cadence flare
Listed in IVOA Registry (Virtual Observatory)
Stellar flares are sudden bursts of energy as a result of magnetic activity.
Description
We have used light curves from the TESS 20 second cadence survey from 2020 to 2023 to detect flare events, and determine their properties. By means of repeated fitting to distinguish stellar background light curves and flare events, we detected 32978 flare events associated with 5463 flaring stars.
Furthermore, we cross-matched our samples with the Gaia and SDSS surveys, and obtained additional stellar parameters for determination of relationships between stellar and flare properties. We found that the durations of 55% of the studied flares were less than 8 minutes. Flare energies of the TESS 20 second cadence are usually smaller than those obtained by TESS 2-min cadence data.
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We identified 28425 flare events associated with4,784 flaring stars. The relationship between flare energy and duration for both giant and main sequence stars display a consistentV-shaped distribution. There is a positive correlation trend on both sides with 10^34^erg.
Stars with lower effective temperature and mass generate more frequent flare events. In summary, it is necessary to detect more flare events with higher time resolution and our flare samples with 20-second cadence are important for discovering additional new properties.
Links
Where it is published
- Reference page cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/689/A103 ↗
landing page · from IVOA Registry
Documentation and papers
- ADS 2024A&A...689A.103Z ui.adsabs.harvard.edu/abs/2024A%26A...689A.103Z ↗
publication · from IVOA Registry
Catalogue records · 2
- VOResource record dc.g-vo.org/oai.xml?verb=GetRecord&metadataPrefix=ivo_vor&identifier=ivo%3… ↗
metadata API · from IVOA Registry
- Registry record (GAVO) dc.g-vo.org/I/cds.vizier/j/a%2Ba/689/a103 ↗
catalogue entry · from IVOA Registry
Topics
- Stated by source
- Optical
- From keywords
- Astronomy & Astrophysics
Provenance · 1 source records, 8 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| IVOA Registry (Virtual Observatory) | ivo://cds.vizier/j/a+a/689/a103 | 15 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| concepts[field].local:field:astronomy | mapping · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| concepts[modality].ivoa_waveband:optical | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| description | source · IVOA Registry | connector:ivoa_registry@1.0.0 | rr.resource.res_description |
| license_text | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| publication_date | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| title | source · IVOA Registry | connector:ivoa_registry@1.0.0 | rr.resource.res_title |
| updated_date | source · IVOA Registry | connector:ivoa_registry@1.0.0 |