NGC 1559
| Galaxy NGC 1559 |
|
|---|---|
|
|
| The barred spiral galaxy NGC 1559 imaged with the multi-mode FORS1 instrument of the VLT of the European Southern Observatory . The 2005fd supernova is visible as a bright point directly above the galaxy. | |
| AladinLite | |
| Constellation | network |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 04 h 17 m 35.8 s |
| declination | -62 ° 47 ′ 01 ″ |
| Appearance | |
| Morphological type | SB (s) cd / Sy |
| Brightness (visual) | 10.4 mag |
| Brightness (B-band) | 11.1 mag |
| Angular expansion | 3.5 ′ × 2 ′ |
| Position angle | 64 ° |
| Surface brightness | 12.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.004350 ± 0.000013 |
| Radial velocity | 1304 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(50 ± 4) x 10 6 ly (15.4 ± 1.1) Mpc |
| history | |
| discovery | James Dunlop |
| Discovery date | December 9, 1826 |
| Catalog names | |
| NGC 1559 • PGC 14814 • ESO 084010 • IRAS 04170-6253 • 2MASX J04173578-6247012 • SGC 041701-6254.3 • AM 0417-625 • LDCE 328 NED009 | |
NGC 1559 is a bar-spiral galaxy with an active nucleus of the Hubble type SBc in the constellation Reticulum in the southern sky . It is estimated to be 50 million light years from the Milky Way and about 55,000 light years in diameter.
Current observations have shown that the galaxy is neither part of a galaxy cluster nor a group of galaxies and that it has no closer companion galaxies. NGC 1559 has massive spiral arms and shows strong star formation , the galaxy is also a source of very strong radio emissions .
In 2005 a type Ia SN 2005df supernova took place. Two other supernovae observed in NGC 1559 were SN 1984J (Type-II) and SN 1986L (Type-IIP). All three were discovered by the Australian amateur astronomer Robert Evans. In 2009 the type IIP supernova SN 2009ib was observed here.
The object was discovered by James Dunlop on December 9, 1826 .
Web links
- SIMBAD Astronomical Database
- Celestial Blast in Bleak Reticulum . ESO
- astronews.com: Picture of the Day - February 6, 2018
Individual evidence
- ↑ a b c d NASA / IPAC Extragalactic Database
- ↑ a b c d e SEDS : NGC 1559
- ↑ a b c R. Beck, V. Shoutenkov, M. Ehle, JI Harnett, RF Haynes, A. Shukurov, DD Sokoloff, M. Thierbach: Magnetic fields in barred galaxies. In: Astronomy and Astrophysics. Volume 391, No. 1, pp. 83-102, doi: 10.1051 / 0004-6361: 20020642 .
- ^ MAG Maia, LN da Costa, David W. Latham: A catalog of southern groups of galaxies. In: The Astrophysical Journal Supplement Series. Volume 69. 1989, pp. 809-829, bibcode : 1989ApJS ... 69..809M , doi: 10.1086 / 191328 , ISSN 0067-0049
- ↑ a b Seligman
- ^ Supernova Discoveries by Rev. Robert Evans . Archived from the original on June 14, 2014. Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. Retrieved July 11, 2015.
- ↑ Simbad
