# K2-231

> star in the constellation Sagittarius

**Wikidata**: [Q55662714](https://www.wikidata.org/wiki/Q55662714)  
**Source**: https://4ort.xyz/entity/q55662714


## References

1. SIMBAD
2. Extrasolar Planets Encyclopaedia
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Ruprecht 147: the oldest nearby open cluster as a new benchmark for stellar astrophysics
5. Gaia Early Data Release 3
6. The Pan-STARRS release 1 (PS1) Survey - DR1
7. K2-231 b: A Sub-Neptune Exoplanet Transiting a Solar Twin in Ruprecht 147
8. Gaia Data Release 2
9. Source
10. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South