Using the Doppler (radial velocity) method, astronomers have discovered a new exoplanet, GJ 740 b, which rotates in
Thanks to the radial velocity (RV) techniqueastronomers have already found more than 600 exoplanets. Now a team of astronomers led by Boria Toledo-Padron from the University of La Laguna (Spain) has reported the discovery of another planet around a nearby red dwarf known as GJ 740.
GJ 740 (HD 176029) - spectral red dwarfclass M1 V. Its mass is estimated at 0.58 ± 0.06 solar masses, radius - 0.56 ± 0.06 solar radii, luminosity 16 times less than the solar luminosity. Judging by its relatively slow rotation, GJ 740 has a mature age of several billion years.
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Given that the radius of GJ 740 b is unknown, the composition of this planet remains to be determined. However, its mass and short orbital period suggest that it is a rocky object.
The data obtained suggest that inthe system may be another planet, more massive and at a wider separation from the host than GJ 740. Astronomers suggest that this potential alien world is about 100 times more massive than Earth and orbits the head star every 9.3 years.
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