Table · dataset · 2024
THYME. X. MELANGE-5 association cand. members
Listed in IVOA Registry (Virtual Observatory)
Young (<500Myr) planets are critical to studying how planets form and evolve.
Description
Among these young planetary systems, multiplanet configurations are particularly useful, as they provide a means to control for variables within a system. Here, we report the discovery and characterization of a young planetary system, TOI-1224.
We show that the planet host resides within a young population we denote as MELANGE-5. By employing a range of age-dating methods-isochrone fitting, lithium abundance analysis, gyrochronology, and Gaia excess variability-we estimate the age of MELANGE-5 to be 210+/-27Myr. MELANGE-5 is situated in close proximity to previously identified younger (80-110Myr) associations, Crius 221 and Theia 424/Volans-Carina, motivating further work to map out the group boundaries.
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In addition to a planet candidate detected by the TESS pipeline and alerted as a TESS object of interest, TOI-1224 b, we identify a second planet, TOI-1224 c, using custom search tools optimized for young stars (Notch and LOCoR). We find that the planets are 2.10+/-0.09R_{Earth}_ and 2.88+/-0.10R_{Earth}_ and orbit their host star every 4.18 and 17.95 days, respectively. With their bright (K=9.1mag), small (R*=0.44R_{sun}_), and cool (Teff=3326K) host star, these planets represent excellent candidates for atmospheric characterization with JWST.
Links
Where it is published
- Reference page cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/168/41 ↗
landing page · from IVOA Registry
Documentation and papers
- ADS 2024AJ....168...41T ui.adsabs.harvard.edu/abs/2024AJ....168...41T ↗
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/aj/168/41 ↗
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/aj/168/41 | 14 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 |