NGTS-7Ab: an ultrashort-period brown dwarf transiting a tidally locked and active M dwarf
NGTS-7Ab: an ultrashort-period brown dwarf transiting a tidally locked and active M dwarf
We present the discovery of NGTS-7Ab, a high mass brown dwarf transiting an M dwarf with a period of 16.2 hours, discovered as part of the Next Generation Transit Survey (NGTS). This is the shortest period transiting brown dwarf around a main or pre-main sequence star to date. The M …