Best Subdwarf
Kapteyn's Star is a nearby red subdwarf in the constellation Pictor, about 12.8 light-years from Earth. Named for Dutch astronomer Jacobus Kapteyn, it has one of the largest known proper motions, so its position against more distant stars changes noticeably over time. Its low metallicity and retrogr...
SX Phoenicis is a variable star located in the constellation Phoenix and serves as the prototype for the class of SX Phoenicis variables. These stars are Population II pulsating variables that share characteristics with Delta Scuti variables but are typically older and metal-poor. SX Phoenicis itsel...
TOI-561 is an old, metal-poor star in the constellation Sextans, located roughly 280 light-years from Earth. It is a K-type star with a system of transiting exoplanets, including TOI-561 b, an ultra-short-period rocky planet that completes an orbit in less than one Earth day. The system is scientifi...
