# GJ 3998

> high proper-motion star in the constellation Ophiuchus

**Wikidata**: [Q67856830](https://www.wikidata.org/wiki/Q67856830)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/GJ_3998)  
**Source**: https://4ort.xyz/entity/gj-3998


## References

1. SIMBAD
2. HADES RV programme with HARPS-N at TNG. XII. The abundance signature of M dwarf stars with planets
3. UBV(RI)CJHK observations of Hipparcos-selected nearby stars
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Fourth USNO CCD Astrograph Catalog
6. Gaia Early Data Release 3
7. HADES RV program with HARPS-N at the TNG GJ 3998: An early M-dwarf hosting a system of super-Earths
8. Extrasolar Planets Encyclopaedia
9. Gaia Data Release 2