A red giant star and white dwarf orbit each other in this animation of a nova. The red giant is a large sphere in shades of red, orange, and white, with the side facing the white dwarf the lightest shades. The white dwarf is hidden in a bright glow of white and yellows, which represent an accretion disk around the star.
Star light, star bright, will there be a new star tonight? That’s the question astronomers are waiting to answer, as they await a spectacular stellar explosion they believe is on the horizon.A binary star system in the constellaion Corona Borealis consists of a white dwarf that pulls material off a neighbouring red giant, leading to exceptionally bright explosions every 79 to 80 years.
T Cor Bor normally shines at a magnitude of 10. However, it's believed that it will shine as bright as a second-magnitude star. "It's important that we catch it early because the time it stays at peak … it's half a day. It starts fading almost immediately. So it remains near first magnitude or second magnitude, where it's easily visible to the human eye for a day. So you've got a day or two as a chance to see it."
"You have 24-hour coverage because you have observers scattered all longitudes around Earth," Schaefer said. "And so there are going to be people in Hawaii who are going to be watching it. There are going to be be people in Japan and and even Australia watching it. So so we have full longitude coverage. But you didn't have that back in 1946."Who is Leslie Peltier? Well, one may consider him one of the unluckiest astronomers in the world.
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