Revisiting the magnification of type Ia supernovae with SDSS

被引：20
|
作者：
Ménard, B [1 ]
Dalal, N [1 ]
机构：
[1] Inst Adv Study, Princeton, NJ 08540 USA
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2005年 / 358卷 / 01期
关键词：
gravitational lensing; supernovae; general;
D O I：
10.1111/j.1365-2966.2005.08764.x
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We cross-correlate the sample of type Ia supernovae from Riess A. G. et al. with the SDSS DR2 photometric galaxy catalogue. In contrast to recent work, we find no detectable correlation between supernova magnitude and galaxy overdensity on scales ranging between 1 and 10 arcmin. Our results are in accord with theoretical expectations for gravitational lensing of supernovae by large-scale structure. Future supernova surveys such as SNAP will be capable of detecting unambiguously the predicted lensing signal.
引用
收藏
页码：101 / 104
页数：4
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