Star
TRAPPIST-1
TRAPPIST-1 is a main-sequence or subgiant star included in the CosmoInsider stellar archive.
Verified 2026-10-02
CosmoInsider · visual archive
Overview
This profile synchronizes the identity, classification and physical parameters of TRAPPIST-1. Its adopted radius is 0.1192 solar radii. The measurement comes from Agol et al. · 2021 and retains its method and uncertainty when available.
Essential data
- Key fact
- stellar_scale
- Key fact
- 0.1192
- Key fact
- M8 V
- Key fact
- Acuario
Physical properties
- Measurement
- 0.1192
- Radius
- 82927.44
- Measurement
- 2566
- Measurement
- 0.0898
- Measurement
- 0.000553
- Measurement
- 40.66
Sources and references
- Agol et al. · 2021 arXiv
- TRAPPIST-1 — SIMBAD object record Centre de Données astronomiques de Strasbourg