Constraints on intergalactic dust from quasar colours -: art. no. 009

被引：0
|
作者：
Mörtsell, E [1 ]
Goobar, A [1 ]
机构：
[1] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden
来源：
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2003年 / 09期
关键词：
cosmological constant experiments; classical tests of cosmology;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Colour measurements of quasars are used to constrain the abundance and properties of intergalactic dust and the related extinction effects on high-z sources. For type Ia supernovae at z=1, we derive an upper limit on the possible dimming from intergalactic dust of Deltam=0.2, ruling out the 'grey' dust scenario as being solely responsible for the observed faintness of high-z SNIa.
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页数：11
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