# ** GRV 257

> star in the constellation Aquila

**Wikidata**: [Q94960810](https://www.wikidata.org/wiki/Q94960810)  
**Source**: https://4ort.xyz/entity/-grv-257


## References

1. SIMBAD
2. Second USNO CCD Astrograph Catalog
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Gaia Data Release 2
6. New Northern hemisphere common proper-motion pairs