far as 0.121 kpc from the plane of the galaxy. In 2021, a superflare on AD Leo was observed simultaneously in X-ray by XMM-Newton and in optical by TESS. Search for planets In 2019, one candidate planet signal was detected by the radial velocity method but was refuted in 2020. See also List of nearest stars References External links Leo (constellation) Local Bubble M-type main-sequence stars 0388 Leonis, AD BD+20 2465