# HD 156971

> star

**Wikidata**: [Q80105587](https://www.wikidata.org/wiki/Q80105587)  
**Source**: https://4ort.xyz/entity/q80105587


## References

1. SIMBAD
2. VizieR
3. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
4. The Tycho-2 catalogue of the 2.5 million brightest stars
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. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
9. ROSAT All-Sky Survey Faint Source Catalogue
10. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)