NGC 5408
| Galaxy data from NGC 5408 |
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|---|---|
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| The galaxy NGC 5408 imaged by the Hubble Space Telescope . | |
| AladinLite | |
| Constellation | centaur |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 03 m 20.9 s |
| declination | -41 ° 22 ′ 40 ″ |
| Appearance | |
| Morphological type | IB (s) m / HII |
| Brightness (visual) | 11.6 mag |
| Brightness (B-band) | 12.2 mag |
| Angular expansion | 1.9 ′ × 1 ′ |
| Position angle | 62 ° |
| Surface brightness | 12.1 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 344 |
| Redshift | 0.001688 ± 0.000010 |
| Radial velocity | 506 ± 3 km / s |
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Stroke distance v rad / H 0 |
(16 ± 1) x 10 6 ly (5.01 ± 0.36) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 5, 1834 |
| Catalog names | |
| NGC 5408 • PGC 50073 • ESO 325-047 • MCG -07-29-006 • IRAS 14002-4108 • 2MASX 14032090-4122397 • GC 3742 • h 3553 • | |
NGC 5408 is an irregular galaxy of Hubble type IBm in the constellation Centaurus in the southern sky , which is about 16 million light-years from the Milky Way 's center. Inside the object is the very luminous X-ray source NGC 5408 X-1, a black hole with 2,000 times the mass of our sun .
The object was discovered on June 5, 1834 by the British astronomer John Herschel .
Web links
- astronews.com: Picture of the day January 19, 2016
- NGC 5408. SIMBAD , accessed February 27, 2016 .
- NGC 5408. DSO Browser, accessed February 27, 2016 .