# Q91177939

> emission-line star in the constellation Sagittarius

**Wikidata**: [Q91177939](https://www.wikidata.org/wiki/Q91177939)  
**Source**: https://4ort.xyz/entity/q91177939


## References

1. SIMBAD
2. A new look at open cluster NGC 6520
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Fourth USNO CCD Astrograph Catalog
5. Gaia Data Release 2