Dr. Lauri Jetsu from the University of Helsinki has analysed observations of Algol. He argues that Algol has many companion stars which have not been detected from earlier observations. Algol is an ...

A lovely constellation that straddles the Milky Way is Perseus, the hero, which is visible in the northern skies from July to March. Its stars arc from Capella, in the constellation Auriga, to the "W" ...

In the constellation Perseus the Hero, the star Algol is fun to watch due to its regular changes in brightness. And you don't even need a telescope. Officially designated Beta Persei, it's the second ...

These photos contrast the star Algol at normal brightness (left) and when it's eclipsed by a close companion star 2.9 days later. Algol is located in the constellation Perseus, which is shaped liked a ...

that Algol has many companion stars which have not been detected from earlier observations. The results have been published in The Astrophysical Journal. What is Algol? Algol is an eclipsing binary, ...

Dr. Lauri Jetsu from the University of Helsinki has analysed observations of Algol. He argues that Algol has many companion stars which have not been detected from earlier observations. The results ...

Figure: (a) Algol’s O-C data (red circles). The time-axis units are days between November 1782 and October 2018. The green continuous line shows the five signal model for the first 226 years of data ...

Astronomers have analyzed observations of Algol. They argue that Algol has many companion stars which have not been detected from earlier observations. Algol is an eclipsing binary, where the two ...