# Q89415216

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q89415216](https://www.wikidata.org/wiki/Q89415216)  
**Source**: https://4ort.xyz/entity/q89415216


## References

1. SIMBAD
2. Spectroscopy of stellar-like objects contained in the second Byurakan survey. I
3. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
4. SDSS DR7 white dwarf catalog
5. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4
6. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10
7. The Sixth Data Release of the Sloan Digital Sky Survey
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. The SDSS Photometric Catalog, Release 9
10. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog
11. Third U.S. Naval Observatory CCD Astrograph Catalog (UCAC3)
12. Gaia Data Release 2