M85-HCC1 explained
| M59-UCD3 |
| Epoch: | J2000 |
| Constellation Name: | Coma Berenices |
| Ra: | [1] |
| Half Light Radius Pc: | 1.85 ± 0.9 pc |
| Appmag V: | 18.80 ± 0.03 |
| Absmag V: | −12.55 ± 0.07 |
| H Radial V: | 658 ± 4 |
| Mass: | |
| Names: | 2MASS J12252287+1810539, SDSS J122522.84+181053.6 |
M85-HCC1 is an ultracompact dwarf galaxy with a star density 1,000,000 times that of the solar neighbourhood,[2] [3] lying near the galaxy Messier 85., it is the densest galaxy known.[4]
See also
- List of most massive galaxies
See also
- M59-UCD3 (second-densest galaxy known, as of 2015)
- M60-UCD1 (another dense galaxy)
Notes and References
- 2MASS J12252287+1810539. 6 May 2018.
- Web site: Hiding in plain sight: Undergraduates discover the densest galaxies known. physOrg. 29 July 2015. 27 July 2015.
- Michael A. Sandoval . Richard P. Vo . Aaron J. Romanowsky . Hiding in plain sight: record-breaking compact stellar systems in the Sloan Digital Sky Survey. Astrophysical Journal Letters. 2015. 808. 1 . L32. 1506.08828. 10.1088/2041-8205/808/1/l32. 2015ApJ...808L..32S . 55254708 .
- News: Undergraduates discover the densest galaxies known . 29 July 2015 . Space Daily .
