Cetus Dwarf

Dwarf Spheroidal Galaxy Cetus Dwarf, type dE4, in Cetus

[Cetus Dwarf Image]

RA:
00 : 26.1
Dec:
-11 : 02
Type:
dE4
RV:
Distance:
2800 kly :
Apparent Dimension:
Diameter:
Brightness:
14.4
Abs. Mag:
- 10.2
Mass:
Discovery of the Cetus Dwarf was made by Alan Whiting, George Hau and Mike Irwin by visual inspection of photographic plates from the UK Schmidt Telescope survey, microdensiometry at the Royal Greenwich Observatory, and deep CCD photography with the 1.5-meter telescope at CTIO and the 2.5-meter Isaac Newton Telescope, and announced on June 4, 1999. This very low surface brightness galaxy was found to be a Local Group member because red giant stars could be seen.

  • 2.5-m INT image of the Cetus dwarf, combined V-band image with a total exposure of 1800 s taken using the Wide Field Camera. The obvious visible stars in the dwarf galaxy are all red giants. The area shown is approximately 11 11 arcminutes corresponding to one-half of the central CCD of the four WFC CCDs. (Picture credit: Alan B. Whiting, George K. T. Hau, Mike Irwin)

    Links:

    References:


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    Christine Kronberg
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    Last Modification: December 23, 1999