基本介紹
- 中文名：NGC 4999
- 星座：室女座
| NGC 4999 | |
|---|---|
星民微贈系尋員 | |
| 發現乘愚估者 | William Herschel |
| opening date | February 24,1786 |
| Designations | UGC 8236,MCG 0-34-10,ZWG 16.12,IRAS13069+0156,PGC 45632 |
| Constellation | Virgo |
| Right ascension | |
| Declination | |
| Visible dimensions | 2.3 '× 1.9' |
| ApparentmagnitudemV | 12,2 |
| Photographic magnitudemB | 13.0 |
| Type of | SBb |
| Redshift | +0.018910 ± 0.000123 |
| Angular position | 128 ° |
| Surface brightness | 13.7 |
