# Q77421820

> white dwarf in the constellation Leo Minor

**Wikidata**: [Q77421820](https://www.wikidata.org/wiki/Q77421820)  
**Source**: https://4ort.xyz/entity/q77421820


## References

1. SIMBAD
2. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries
3. SDSS DR7 white dwarf catalog
4. The Fifth Data Release of the Sloan Digital Sky Survey
5. The SDSS Photometric Catalog, Release 7
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Data Release 2
8. Constraining the age-activity relation for cool stars: the Sloan Digital Sky Survey Data Release 5 low-mass star spectroscopic sample