Cetus Dwarf
{{Short description|Galaxy in the constellation Cetus}}
{{Infobox Galaxy
| name = Cetus Dwarf
| image = Cetus Dwarf Galaxy color cutout hst 10505 31 acs wfc f814w f475w sci.jpg
| epoch = J2000
| type = dSph{{cite web
| title=NASA/IPAC Extragalactic Database
| work=Results for Cetus Dwarf
| url=http://nedwww.ipac.caltech.edu/
| access-date=2006-12-23 }}
| dist_ly = 2.46 ± 0.08 Mly (755 ± 24 kpc)
| z =
| size_v 5.0{{prime}} × 4.3{{prime}}
| constellation name = Cetus
| names = PGC 3097691
}}
Cetus Dwarf is a dwarf spheroidal galaxy. It lies approximately 2.46 Million light-years from Earth. It is an isolated galaxy of the Local Group, which also contains the Milky Way.{{cite journal |author1=Alan B. Whiting |author2=George Hau |author3=Mike Irwin |title=A New Local Group Galaxy in Cetus |journal=The Astronomical Journal |volume=118 |issue=6 |pages=2767–2774 |date=31 August 1999 |bibcode=1999AJ....118.2767W |doi = 10.1086/301142 |doi-access=free }} All of the most readily observable stars in the galaxy are red giants.
{{cite web |author=Hartmut Frommert |title=Cetus Dwarf |url=http://spider.seds.org/spider/LG/cet_dw.html |publisher=SEDS }}
History
The Cetus Dwarf was discovered in 1999 by Alan B. Whiting, George Hau and Mike Irwin and was found to be a member of the Local Group.{{cite journal
|author1=McConnachie, A. W. |author2=Irwin, M. J. |author3=Ferguson, A. M. N. |author4=Ibata, R. A. |author5=Lewis, G. F. |author6=Tanvir, N. | title=Distances and metallicities for 17 Local Group galaxies
| journal=Monthly Notices of the Royal Astronomical Society
| year=2005
| volume=356
| issue=4
| pages=979–997
| bibcode=2005MNRAS.356..979M
| doi=10.1111/j.1365-2966.2004.08514.x |doi-access=free |arxiv = astro-ph/0410489 }}{{ Cite journal
| last1 = van den Bergh
| first1 = Sidney
| author-link1 = Sidney van den Bergh
| title = Updated Information on the Local Group
| date = April 2000
| journal = The Publications of the Astronomical Society of the Pacific
| volume = 112
| issue = 770
| pages = 529–536
| bibcode = 2000PASP..112..529V
| doi = 10.1086/316548
|arxiv = astro-ph/0001040 | s2cid = 1805423
}}
Characteristics
As of 2000, no known neutral hydrogen gas has been found that is related to the Cetus dwarf galaxy.
References
{{reflist}}
External links
- {{WikiSky|name=The Cetus Dwarf}}
{{Cetus|state=collapsed}}
{{Sky|00|26|11|-|11|02|40|2460000}}
{{DEFAULTSORT:Cetus Dwarf}}