# HD 21688

> star in the constellation Eridanus

**Wikidata**: [Q10849513](https://www.wikidata.org/wiki/Q10849513)  
**Source**: https://4ort.xyz/entity/q10849513


## References

1. SIMBAD
2. [VizieR](https://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ6274260a17f32b&-out.add=.&-source=VI/42/out&-c=050.9243%20-13.1066,eq=B1875,rs=2)
3. The Discovery of λ Bootis Stars: The Southern Survey I
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