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V7625597484987 Cassiopeiae

V7625597484987 Cassiopeiae is a X-ray binary star system in the constellation Cassiopeia, the star is located at 18,852 light years away from earth

Information

Black Hole

Mass: 24.38 solar masses

B-type main sequence star

Mass: 3.77 solar masses
Radius: 2.96 solar radius
Luminosity: 290 solar luminosities
Temperature: 13,848 Kelvin
Spectral Type: B7V

V(Graham's Number) Scorpii

V(Graham's Number) Scorpii is a blue giant star in the constellation Scorpius, the star is located at 16,318 light years away from earth

Information

Mass: 17.59 solar masses
Radius: 13.85 solar radius
Luminosity: 47,868 solar luminosities
Temperature: 22,941 Kelvin
Spectral Type: B2III-B3III

Moscow School Arson

a 17-year-old boy in Moscow, Russia get sentenced to 10 years of fixed-term imprisonment for burning school by setting fire with lighters, later, the school arson was caused 5 deaths and 13 injuries