2 papers
astro-ph.CO2023
The Pantheon Sample Analysis of Cosmological Constraints under New Models
Peifeng Peng, Nigel Metcalfe
In this paper, the cosmological parameters are determined by applying six cosmological models to fit the magnitude-redshift relation of the Pantheon Sample consisting of 1048 Type…
astro-ph.EP2022
New Parameter Measurements for the Ultra-Short-Period Planet TOI-1807b
Peifeng Peng, Hongyi Xiong, He Li +2
The ultra-short-period (USP) planets are exoplanets with very short orbital periods ( day), and TOI-1807b is one such planet recently discovered by the TESS mission…