NGC 1291
| Galaxy NGC 1269 / NGC 1291 |
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|---|---|
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| Admission of GALEX | |
| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 03 h 17 m 18.6 s |
| declination | -41 ° 06 ′ 29 ″ |
| Appearance | |
| Morphological type | (R_1) SB (1) 0 / a / HII |
| Brightness (visual) | 8.5 likes |
| Brightness (B-band) | 9.4 mag |
| Angular expansion | 11 ′ × 9.5 ′ |
| Position angle | 72 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | SSRS group 44 |
| Redshift | 0.002799 ± 0.000006 |
| Radial velocity | 839 ± 2 km / s |
|
Stroke distance v rad / H 0 |
(32 ± 2) x 10 6 ly (9.8 ± 0.7) Mpc |
| history | |
| discovery | James Dunlop |
| Discovery date | September 2, 1826 |
| Catalog names | |
| NGC 1291 • PGC 12209 • ESO 301-002 • MCG -07-07-008 • IRAS 03154-4117 • 2MASX J03171859-4106290 • SGC 031528-4117.4 • GC 685 • h 2521 • AM 0315-411 • HIPASS J0317-41 • Dun 487 • LDCE 266 NED003 | |
NGC 1269 = NGC 1291 is a lenticular ring galaxy of the Hubble type SB0 / a with an unusual inner bar and outer ring structure in the constellation Eridanus in the southern sky . It is estimated to be 32 million light years from the Milky Way , about 125,000 light years in diameter, and the brightest galaxy in Eridanus.
The object was discovered by James Dunlop on September 2, 1826 and cataloged as Dun 487 . In 1836, John Herschel described it again. When Johan Ludvig Emil Dreyer finally created the New General Catalog published in 1888, he did not recognize this double observation and assigned the numbers NGC 1291 for Dunlops and NGC 1269 for Herschel's observation.
Infrared image from the Spitzer Space Telescope
Mosaic of high-resolution images of the center, Hubble space telescope
literature
- F. Fragkoudi, E. Athanassoula & A. Bosma (2017): Constraining the dark matter content of NGC 1291 using hydrodynamic gas response simulations ; in: Monthly Notices of the Royal Astronomical Society 466 (1), pp. 474-488
- Luo et al. (2012): Probing the X-Ray Binary Populations of the Ring Galaxy NGC 1291 ; in: The Astrophysical Journal 749 (2)
- Hinz et al. (2012): Cool Dust in the Outer Ring of NGC 1291 ; in: The Astrophysical Journal 756 (1)
Web links
- SIMBAD Astronomical Database
- Photograph of NGC 1291
- GALEX
- The galaxy NGC 1291. Retrieved September 14, 2019 .