How did astronomers discover the exoplanet TVLM513B?

Astronomers discovered TVLM513B using the continent Wide Very Long Baseline Array. This discovery is notable because it's rare to detect extrasolar planets orbiting around small stars, making TVLM513B a significant find in astronomical research. The planet, which resembles Saturn, is located approximately 35 light years from Earth and orbits a faint, cool star. The detection was made possible by observing the subtle wobble of the host star caused by the planet's gravitational forces, representing an advancement in exoplanet detection methods.