LP 944-20 [SEP] constellation
LP 944-20
LP 944-20 is a dim brown dwarf of spectral class M9 located about 21 light-years from the Solar System in the constellation of Fornax. With a visual apparent magnitude of 18, it has one of the dimmest visual magnitudes listed on the RECONS page.
On 15 December 1999 an X-ray flare was detected. On 27 July 2000, radio emission (in flare and quiescence) was detected from this brown dwarf by a team of students at the Very Large Array, reported
LSR J1835+3259
LSR J1835+3259 is a nearby brown dwarf star of spectral class M8.5, located in constellation Lyra, the discovery of which was published in 2003, and it is the 3rd nearest M-type brown dwarf after DEN 1048-3956 and LP 944-020.
Distance.
Trigonometric parallax of this object, measured in 2001–2002 with the USNO 61 inch (1.5 m) reflector under US Naval Observatory (USNO) parallax program, is 0.1765 ± 0.0005 arcsec, corresponding to a