# TRAPPIST-1

> ultra-cool dwarf star in Aquarius constellation

**Wikidata**: [Q23986556](https://www.wikidata.org/wiki/Q23986556)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/TRAPPIST-1)  
**Source**: https://4ort.xyz/entity/trappist-1


## References

1. SIMBAD
2. The Ultracool SpeXtroscopic Survey. I. Volume-limited Spectroscopic Sample and Luminosity Function of M7-L5 Ultracool Dwarfs
3. CARMENES input catalogue of M dwarfs
4. The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Early Data Release 3
7. Temperate Earth-sized planets transiting a nearby ultracool dwarf star
8. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
9. Early 2017 observations of TRAPPIST-1 with Spitzer
10. Extrasolar Planets Encyclopaedia
11. Gaia Data Release 2
12. Exploring the stellar properties of M dwarfs with high-resolution spectroscopy from the optical to the near-infrared
13. On the Age of the TRAPPIST-1 System