Get ready to witness a once-in-a-lifetime astronomical event that’s set to light up the night sky!
Artist’s impression Credit: NASA/CXC/M.Weiss
T Coronae Borealis, also known as the “Blaze Star,” could soon put on a dazzling show that will be visible to the naked eye. This is a fantastic opportunity for parents and kids to explore the wonders of our universe together.
Noone really knows when it will happen but here’s everything you need to know to catch this incredible moment.
What is T Coronae Borealis?
T Coronae Borealis (T CrB) is a star system located in the constellation Corona Borealis, about 3,000 light-years away. Usually too faint to see without a telescope, this unique star system is made up of two stars orbiting each other—a dense white dwarf and a larger red giant. When these stars interact, the Blaze Star experiences an explosive event called a nova, dramatically increasing its brightness for a short period.
Why is T Coronae Borealis Making Headlines?
Astronomers predict that T CrB is about to erupt as a nova anytime from now until September 2024. This rare phenomenon occurs roughly every 80 years, with previous eruptions documented in 1866 and 1946. So, if you catch a glimpse of it this year, you’re witnessing something that might only happen once in your lifetime!
What Causes the Blaze Star to Erupt?
The white dwarf’s strong gravity pulls hydrogen from the red giant, causing a build-up of pressure and heat. Eventually, this triggers a thermonuclear explosion, briefly making the star much brighter. Since the explosion doesn’t completely destroy the white dwarf, the cycle can repeat every few decades, leading to what’s known as a recurrent nova.
How Bright Will It Get?
During a nova burst, T CrB can shine as brightly as magnitude 2.0 to 3.0, making it visible without any special equipment. That’s about as bright as Alphecca, the dominant star in the Corona Borealis constellation. However, the exact brightness depends on the specific characteristics of the explosion.
How to Spot the Blaze Star in Singapore
The best way to view T CrB is by finding the Corona Borealis constellation, and you’ll need a clear night sky. Look out for a “new” star appearing near Alphecca. While viewing conditions in Singapore can vary due to weather and light pollution, you’ll have the best chance in open areas with little light interference, such as parks, beaches, and reservoirs.
Tips for the Best Viewing Experience
- Stay Updated: Keep an eye on astronomy news and observatories for the latest updates on the nova event.
- Find a Good Spot: Choose locations with an unobstructed view of the sky and minimal light pollution.
- Use a Telescope: While the event may be visible to the naked eye, a telescope will enhance your experience.
Fun Facts About Novas
- What’s a Nova? A nova is a sudden, dramatic increase in a star’s brightness. Unlike a supernova, which is far more powerful and often destroys the star, a nova is more like a sparkler—bright but not destructive.
- What’s a Recurrent Nova? A recurrent nova, like T CrB, is a star that goes through multiple bursts of brightness over time.
Don’t Miss This Celestial Show!
Whether you’re an astronomy enthusiast or just looking for a fun family activity, the T Coronae Borealis nova is a one-in-a-lifetime opportunity. Why not use this as an excuse to gather the kids, and head outdoors for a magical night of stargazing.
You may see it, or you may not, but you definitely would have spent family fun together!
Information from the Science Centre Observatory
