TOI-6054, or TIC 392681545, is an F-type subgiant star located some 259 light years away, about 66% larger but only slightly more massive than the sun. Two transit signals have been identified in ...

This nova has a recurrent timescale of about four years—the third-shortest of any nova—and consists of a white dwarf and a companion red subgiant (a star much larger than the sun). It was discovered ...