Fundamental Physics with ESPRESSO: Precise Limit on Variations in the Fine-Structure Constant Towards the Bright Quasar HE 0515-4414
Astronomy and Astrophysics（2021）
关键词
quasars: absorption lines,quasars: individual: HE 0515-4414,intergalactic medium,cosmology: observations,cosmology: miscellaneous,instrumentation: spectrographs
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