# HD 3421

> star in the constellation Andromeda

**Wikidata**: [Q3780907](https://www.wikidata.org/wiki/Q3780907)  
**Source**: https://4ort.xyz/entity/q3780907


## References

1. SIMBAD
2. [VizieR](http://vizier.cfa.harvard.edu/viz-bin/VizieR-5?-ref=VIZ5d8e957f2171a&-out.add=.&-source=VI/42/out&-c=007.6654%20%2b34.7111,eq=B1875,rs=2)
3. The Physical Basis of Luminosity Classification in the Late A-, F-, and Early G-Type Stars. I. Precise Spectral Types for 372 Stars
4. The Perkins catalog of revised MK types for the cooler stars
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. The lithium abundances of a large sample of red giants