First detection of VHE gamma-ray emission from TXS~1515--273, study of its X-ray variability and spectral energy distribution
arXiv: 2107.09413 · Summary page · arXiv
What changed between two versions of a paper. Changed results and numbers (before and after), conclusions, method, data, errors fixed, or only the writing, and whether the main results changed. And an email when a paper you follow gets a new version.