# Q91029665
**Wikidata**: [Q91029665](https://www.wikidata.org/wiki/Q91029665)  
**Source**: https://4ort.xyz/entity/q91029665


## References

1. SIMBAD
2. Physical properties of the current census of northern white dwarfs within 40 pc of the Sun
3. Fourth USNO CCD Astrograph Catalog
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. The USNO-B Catalog
6. The Einstein redshift in white dwarfs
7. A Catalog of Northern Stars with Annual Proper Motions Larger than 0."15 (LSPM-NORTH Catalog)