Astronomers have discovered two new exoplanets orbiting a sun-like star about 175 light-years away.
According to information provided to SIA by the Shamakhi Astrophysical Observatory, the planets designated as HIP 104045 b and HIP 104045 c are classified as Jupiter analogues and super-Neptunes, respectively.
A group has published their findings on the arXiv pre-print server.
A team of astronomers from the University of São Paulo observed the sun-like star HIP 104045 using the High Resolution Imaging Spectrograph (HARPS) on the European Southern Observatory's (ESO) 3.6-meter telescope. Observations by the Solar Twin Planet Search (STPS) program have led to the discovery of two giant planets.
The researchers focused on the star HIP 104045, which is about 175 light years away from Earth and contains two planets that are similar to those in our own solar system. One of them is roughly half as massive as Jupiter, while the other is 2.5 times as massive as Neptune.
However, the research team notes that planets like Jupiter are less frequent than planets like Earth, which suggests that it may be sensible to search for star systems with planets like Neptune and Jupiter before determining whether or not they include smaller, Earth-like planets. They also suggest that HIP 104045 is a good place to start.
The star is well-composed, has a similar age to the sun, and is nearly the same size and luminosity.
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