基本介紹
- 中文名：NGC 4999
- 星座：處女座
NGC 4999 | |
|---|---|
星系 | |
發現歷史 | - |
發現者 | William Herschel |
opening date | February 24,1786 |
Designations | UGC 8236,MCG 0-34-10,ZWG 16.12,IRAS13069+0156,PGC 45632 |
Observational data (AgeJ2000.0) | - |
Constellation | Virgo |
Right ascension | - |
Declination | - |
Visible dimensions | 2.3 '× 1.9' |
ApparentmagnitudemV | 12,2 |
Photographic magnitudemB | 13.0 |
Specifications | - |
Type of | SBb |
Redshift | +0.018910 ± 0.000123 |
Angular position | 128 ° |
Surface brightness | 13.7 |
