Sculptor Dwarf Galaxy
|Sculptor Dwarf Elliptical Galaxy|
|Observation data (J2000 epoch)|
|Right ascension||01h 00m 09.3s|
|Declination||−33° 42′ 33″|
|Redshift||110 ± 1 km/s|
|Distance||290 ± 30 kly (90 ± 10 kpc)|
|Apparent dimensions (V)||39′.8 × 30′.9|
|Apparent magnitude (V)||10.1|
|Sculptor Dwarf Spheroidal, PGC 3589, MCG-06-03-015|
The Sculptor Dwarf Galaxy (also called the Sculptor Dwarf Elliptical Galaxy or the Sculptor Dwarf Spheroidal Galaxy) is a dwarf spheroidal galaxy that is a satellite of the Milky Way. The galaxy lies within the constellation Sculptor. It was discovered in 1937 by Harlow Shapley using the 24-inch Bruce refractor at Boyden Observatory. The galaxy is located about 290,000 light-years away from the Solar System. The Sculptor Dwarf contains only 4 percent of the carbon and other heavy elements in our own galaxy, the Milky Way, making it similar to primitive galaxies seen at the edge of the universe.
- Metallicity 1
- Gallery 2
- References 3
- External links 4
The metallicity of Sculptor dwarf appears to be broken up into two distinct groups, one with [Fe/H] = -2.3 and the other with [Fe/H] = -1.5. Similar to many of the other Local Group galaxies, the older metal-poor segment appears more extended than the younger metal-rich segment.
- "NASA/IPAC Extragalactic Database". Results for PGC 3589. Retrieved 2006-12-03.
- I. D. Karachentsev, V. E. Karachentseva, W. K. Hutchmeier, D. I. Makarov (2004). "A Catalog of Neighboring Galaxies". Astronomical Journal (abstract) 128 (4): 2031–2068.
- Karachentsev, I. D.; Kashibadze, O. G. (2006). "Masses of the local group and of the M81 group estimated from distortions in the local velocity field". Astrophysics 49 (1): 3–18.
- Shapley, H., (1938) Harvard Bull. 908.
- Shapley H (1938). "Two Stellar Systems of a New Kind". Nature 142 (3598): 715–6.
- Astronomers Detect Dust Around a Primitive Star, Shedding New Light on Universe’s Origins Newswise, Retrieved on January 19, 2008.
- S.R. Majewski; et al. (20 July 1999). "An Internal Second-Parameter Problem in the Sculptor Dwarf Spheroidal Galaxy". The Astrophysical Journal 520 (1).
- "Sculptor Dwarf Galaxy". Retrieved 17 September 2015.
- The Sculptor Dwarf Galaxy on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images