# 33 Virginis

> star in the constellation Virgo

**Wikidata**: [Q14861084](https://www.wikidata.org/wiki/Q14861084)  
**Source**: https://4ort.xyz/entity/33-virginis


## References

1. SIMBAD
2. G.P. Kuiper's spectral classifications of proper-motion stars
3. Washington Double Star Catalog
4. The USNO-B Catalog
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Early Data Release 3
7. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
8. Determining ages of APOGEE giants with known distances
9. Catalog for the ESPRESSO blind radial velocity exoplanet survey
10. Gaia Data Release 2
11. Subgiants as probes of galactic chemical evolution