WISE 0855−0714
Videos
WISE 0855−0714 is a brown dwarf of spectral class Y4, located 7.4 light-years from the Sun in the constellation Hydra. It is the fourth-closest stellar or substellar system to the Sun and was discover
JWST NIRCam observation of W0855 (orange "star" at the center) showing the movement over about half a year
Y dwarf
Videos
An object with a spectral type Y is either a brown dwarf or a free-floating planetary-mass object. They have temperatures below around 500 Kelvin and are colder than T-dwarfs. Y-dwarfs have a similar
WISE 0855−0714
…WISE 0855−0714 (full designation WISE J085510.83−071442.5, or W0855 for short) is a brown dwarf of spectral class Y4, located 7.4 light-years (2.3 parsecs) from the Sun in the constellation Hydra. It is the fourth-closest stellar or substellar system to the Sun and…
Artist's impression of a Y-type brown dwarf.
Spectrum of WISE 0359−5401 with JWST, showing different molecular absorption bands.
Aurora in CWISEP J1935-1546 detected by its methane emission