# HD 170740

> star

**Wikidata**: [Q10848634](https://www.wikidata.org/wiki/Q10848634)  
**Source**: https://4ort.xyz/entity/q10848634


## References

1. SIMBAD
2. VizieR
3. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
8. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
9. The revision of the general catalogue of radial velocities
10. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars