In 2024, six exoplanets were confirmed to orbit TOI-1136, a Sun-like star that is less than 700 million years old. The star is located about 276 light-years from Earth, making it relatively young compared to our sun, which is 4.6 billion years old.
In 2020 and 2022, NASA’s Transiting Exoplanet Survey Satellite (TESS) observed HD 110067 and noticed several dips in the star’s brightness. Additional observations from the CHaracterising ExOPlanets Satellite (CHEOPS) led scientists to interpret the signals as six planets passing in front of the star.
The six planets in the HD 110067 system are classified as “sub-Neptunes,” which are planets with radii between Earth and Neptune. Calculations of their masses and densities suggest they have relatively low-density atmospheres that may be rich in hydrogen.
Scientists say the HD 110067 system is special and deserves further study because it shows the pristine configuration of a planetary system that has remained untouched.
Well, buckle up because six more exoplanets have been confirmed around TOI-1136, a Sun-like star located roughly 276 light-years from Earth. This star is less than 700 million years old, making it relatively young compared to our own (4.6 billion years
TOI-1136 is a G-type main-sequence star located about 276 light-years from Earth in the constellation Draco. It’s slightly smaller than the Sun, but similar in mass and temperature.
The exoplanets are so close to their parent star that they complete an orbit in less than 88 Earth days. This is significant because 88 days is the orbital period of Mercury, the closest planet to the sun.
Scientists strongly suspect the presence of a seventh planet.
51 Pegasi b, also known as “Dimidium”, was the first exoplanet discovered orbiting a Sun-like star in 1995. The discovery was made by scientists Michel Mayor and Didier Queloz, who won the Nobel Prize in Physics in 2019 for their discovery
51 Pegasi b is a “hot Jupiter”, a gas giant exoplanet located about 50 light-years away in the constellation of Pegasus. The discovery of 51 Pegasi b marked the beginning of a revolution in our understanding of planetary systems in the universe.
As of September 2022, astronomers have confirmed more than 5,100 exoplanets. However, 51 Pegasi b will always be the first known exoplanet to orbit a star like our sun
The first planet ever found around a sun-like star was discovered using the radial velocity method. This method is ideal for ground-based telescopes because it doesn’t require continuous monitoring of stars.
Here are some other techniques used to detect exoplanets:
- Astrometry Measures the position of a star on the sky to detect its motion. This technique can also identify planets by measuring the star’s position as it wobbles around the planetary system’s center of mass.
- Doppler Shift The exoplanet’s gravitational pull on the star it orbits causes the star to slightly shift its position. The closer and more massive the planet, the more the star will shift.
- Transit A transit occurs when a planet passes between a star and its observer. Most known exoplanets have been discovered using this method.
- Transit spectroscopy Light from a star travels through the atmosphere of an orbiting planet and reaches telescopes.
TOI-1136 is part of a planetary system with at least six, and possibly seven, exoplanets. In 2022, the discovery of the exoplanet TOI-1136 g was announced.
TOI-1136 is located in the northern celestial hemisphere, but it’s not visible to the naked eye. However, it can be observed with a basic telescope
The six, possibly seven, exoplanets orbit a relatively close dwarf star in the Milky Way called TOI-1136; it’s located around 270 light-years from Earth. The large number of exoplanets in the system inspired scientists to investigate deeper
The field of exoplanet study continues to grow by leaps and bounds. As of the penning of this article, 5,572 extrasolar planets have been confirmed in 4,150 systems (with another 10,065 candidates awaiting confirmation. Well, buckle up because six more exoplanets have been confirmed around TOI-1136, a Sun-like star located roughly 276 light-years from Earth. This star is less than 700 million years old, making it relatively young compared to our own (4.6 billion years). This system will allow astronomers to observe how systems like our own have evolved with time.
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