# 4U 1700−37

> High-mass X-ray binary

**Wikidata**: [Q4638996](https://www.wikidata.org/wiki/Q4638996)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/4U_1700−37)  
**Source**: https://4ort.xyz/entity/4u-1700-37


## References

1. SIMBAD
2. The Galactic O-Star Spectroscopic Survey (GOSSS). II. Bright southern stars
3. Catalogue of Stellar Photometry in Johnson's 11-color system
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. The interstellar Ca II distance scale