| Epoch | J2000 |
|---|---|
| Constellation name | Coma Berenices |
| Ra | [1] |
| Dec | [1] |
| Half light radius pc | 1.85 ± 0.9 pc[2] |
| Appmag v | 18.80 ± 0.03[2] |
| Absmag v | −12.55 ± 0.07[2] |
| H radial v | 658 ± 4[2] |
| Mass | (1.2 ± 0.1)[2] |
| Names | 2MASS J12252287+1810539, SDSS J122522.84+181053.6[1] |
M85-HCC1 is an ultracompact dwarf galaxy with a star density 1,000,000 times that of the solar neighbourhood,[3][2] lying near the galaxy Messier 85. As of 2015, it is the densest galaxy known.[4]
See also
References
- ^ "2MASS J12252287+1810539". Retrieved 6 May 2018.
- ^ Michael A. Sandoval; Richard P. Vo; Aaron J. Romanowsky (2015). "Hiding in plain sight: record-breaking compact stellar systems in the Sloan Digital Sky Survey". Astrophysical Journal Letters. 808 (1): L32. arXiv:1506.08828. Bibcode:2015ApJ...808L..32S. doi:10.1088/2041-8205/808/1/l32. S2CID 55254708
- ^ "Hiding in plain sight: Undergraduates discover the densest galaxies known". physOrg. 27 July 2015. Retrieved 29 July 2015.
- ^ "Undergraduates discover the densest galaxies known". Space Daily. 29 July 2015.