We test the cosmological implications of a varying absolute magnitude of Type Ia supernovae using the Pantheon compilation, by reconstructing different phenomenological approaches that could justify a varying absolute magnitude, but also approaches based on cosmic voids, modified gravity models and a binning scheme. In all the cases considered in this work, we find good agreement with the expected values of the standard $\mathrm{\Lambda }$CDM model and no evidence of new physics.

中文翻译：

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对SN Ia绝对大小有可测量的红移依赖性吗？

我们使用万神殿（Pantheon）汇编测试了Ia型超新星绝对量级变化的宇宙学含义，方法是重建可以证明绝对量级变化的不同现象学方法，但也要基于宇宙空洞，改进的重力模型和分箱方案。在本工作中考虑的所有情况下，我们都发现与标准的预期值有很好的一致性$\mathrm{\Lambda }$CDM模型，没有新物理学的证据。