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Modelling and Analysis of the Hubble Diagram of 280 Type SNIa Supernovae and Gamma Ray Bursts Redshifts with Analytical and Empirical Redshift/Magnitude Functions 被引量:2
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作者 Laszlo A. Marosi 《International Journal of Astronomy and Astrophysics》 2016年第3期272-275,共5页
Based on an analysis of 280 Type SNIa supernovae and gamma-ray bursts redshifts in the range of z = 0.0104 - 8.1 the Hubble diagram is shown to follow a strictly exponential slope predicting an exponentially expanding... Based on an analysis of 280 Type SNIa supernovae and gamma-ray bursts redshifts in the range of z = 0.0104 - 8.1 the Hubble diagram is shown to follow a strictly exponential slope predicting an exponentially expanding or static universe. At redshifts > 2 - 3 ΛCDM models show a poor agreement with the observed data. Based on the results presented in this paper, the Hubble diagram test does not necessarily support the idea of expansion according to the big-bang concordance model. 展开更多
关键词 MAGNITUDE Redshift data Fitting SUPERNOVAE Gamma ray bursts Hubble Diagram ΛCDM cosmological model
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γ射线暴的logN(>P)~logP分布 被引量:1
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作者 吴枚 宋黎明 +2 位作者 余文飞 李惕碚 李毅 《天体物理学报》 CSCD 1997年第1期29-36,共8页
本文用简单的宇宙学模型 ,在标准烛光和均匀分布的假设下计算了γ射线暴的logN(>P)~logP分布 (大小谱 ) .在考虑了探测效率修正和死时间修正后 。
关键词 Γ射线暴 batse数据 γ暴的宇宙学模型
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