Researchers from the UPC and the IAC discover one of the most massive neutron stars
            
Created at
                                    Credits
                Gabriel Pérez
            
  SMM
            
  Description
                                    The massive pulsar in the binary system PSR J2215+5135, illustrated in the Figure, heats up the inner face of its companion star. Credit: Gabriel Pérez, SMM (IAC).
                            