NGC 5995
| Galaxy NGC 5995 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 15 h 48 m 24.9 s |
| declination | -13 ° 45 ′ 28 ″ |
| Appearance | |
| Morphological type | S (B) c / Sy2 / HII |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 0.9 ′ × 0.7 ′ |
| Position angle | 171 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.025194 ± 0.000083 |
| Radial velocity | (7553 ± 25) km / s |
|
Stroke distance v rad / H 0 |
(337 ± 23) x 10 6 ly (103.4 ± 7.2) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 5, 1836 |
| Catalog names | |
| NGC 5995 • PGC 56081 • MCG -02-40-04 • IRAS 15456-1336 • 2MASX J15482491-1345273 • NPM1G -13.0491 | |
NGC 5995 is an active spiral galaxy with extensive star formation from Hubble type Sb in the constellation Leo north of the ecliptic . It is estimated to be 337 million light years from the Milky Way and about 90,000 ly in diameter.
The object was discovered on June 5, 1836 by the astronomer John Herschel with the help of his 18.7 inch reflector telescope and was later included in his New General Catalog by Johan Dreyer .
Web links
- NGC 5995. SIMBAD , accessed May 22, 2016 .
- NGC 5995. DSO Browser, accessed May 22, 2016 .
- Auke Slotegraaf: NGC 5995. Deep Sky Observer's Companion, accessed on May 22, 2016 (English).