What is the brightest star in the universe?

Apart from the sun, Sirius, whether it is the sun or Sirius, is of course based on what we see on the earth, but they are not necessarily the strongest, because they are close to us, so they look dazzling. According to astronomers, Antares is the strongest star at present. Its light is 500,000 times that of the sun, but it is more than 50,000 light years away from us, so even when we look at the stars at night,