NGC 3999
| Galaxy NGC 3999 |
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|---|---|
![NGC 3999 with LEDA 4304240 (ru) [1] SDSS recording](https://de.wikipedia.org/wiki/Datei:NGC3999_-_SDSS_DR14.jpg)
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| NGC 3999 with LEDA 4304240 (ru) SDSS image | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 57 m 56.494 s |
| declination | + 25 ° 04 ′ 05.83 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 14.7 mag |
| Brightness (B-band) | 15.7 mag |
| Angular expansion | 0.4 ′ × 0.2 ′ |
| Position angle | 81 ° |
| Surface brightness | 11.8 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 368 |
| Redshift | 0.013860 |
| Radial velocity | 4155 km / s |
|
Stroke distance v rad / H 0 |
(185 ± 13) · 10 6 ly (56.6 ± 4.0) Mpc |
| history | |
| discovery | Lawrence Parsons |
| Discovery date | April 25, 1878 |
| Catalog names | |
| NGC 3999 • PGC 37647 • CGCG 127-117 • 2MASX J11575647 + 2504062 • GALEX ASC J115756.41 + 250405.5 • NSA 119538 • WISEA J115756.49 + 250405.8 | |
NGC 3999 is a lenticular galaxy of the Hubble type S0 in the constellation Leo on the ecliptic . It is estimated to be 185 million light years from the Milky Way . In the same area of the sky are the galaxies NGC 3987 , NGC 4000 , NGC 4005 , NGC 4011 , among others .
The object was discovered by Lawrence Parsons on April 25, 1878 .