Variations in the bivariate brightness distribution with different galaxy types.

被引：0
|
作者：
Cross, N [1 ]
Driver, S [1 ]
Lemon, D [1 ]
Liske, J [1 ]
机构：
[1] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA
来源：
NEW ERA IN COSMOLOGY | 2002年 / 283卷
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D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present Bivariate Brightness Distributions (BBDs) for four spectral types discriminated by the 2dFGRS. We discuss the photometry and completeness of the 2dFGRS using a deep, wide-field CCD imaging survey. We find that there is a strong luminosity-surface brightness correlation amongst galaxies with medium to strong emission features, with gradient beta(mu) = 0.25 +/- 0.05 and width sigma(mu) = 0.56 +/- 0.01. Strong absorption line galaxies, show a bimodal distribution, with no correlation between luminosity and surface brightness.
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页码：51 / 55
页数：5
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