Burnham 800 is a physical pair, the main component of which is an orange main-sequence star of spectral class K1V, accompanied by a red dwarf of spectral class M1V. The binary star system is located 36 light-years away from the Sun, and its components orbit around their center of mass with a period of approximately 607 years. In 2022, two exoplanets orbiting the main component were discovered.
HD115404Ab is a Neptune-type planet, 30 times more massive than our Earth, orbiting its parent star at a distance of 0.089 AU, which is about a quarter of the distance from Mercury to the Sun. It completes one orbit every 10.5 days.
HD115404Ac is expected to be a gas giant of Jupiter-type, 3300 times more massive than our Earth, orbiting its parent star at a distance of 11.3 AU, slightly more than the distance from Saturn to the Sun. One orbit of this gas giant is estimated to take 15,319 days (approximately 42 years).
72mm - The nearly 3 magnitude difference in brightness between the components and a separation of 7.7" could pose a challenge when observed with a small telescope. Under average conditions and with a concentrated gaze over several minutes, the faint companion appeared as a faint dark-red dot.