K2-33

K2-33

Artist's impression of K2-33, with its planet K2-33b transiting across its surface.
Observation data
Epoch J2000      Equinox J2000
Constellation Scorpius
Right ascension 16h 10m 14.7377s[1]
Declination −19° 19′ 09.408″ [1]
Apparent magnitude (V) 14.3[2]
Characteristics
Evolutionary stage Pre-main-sequence[2]
Spectral type M2[2]
Astrometry
Proper motion (μ) RA: −9.592(28) mas/yr[1]
Dec.: −23.964(21) mas/yr[1]
Parallax (π)7.1929 ± 0.0234 mas[1]
Distance453 ± 1 ly
(139.0 ± 0.5 pc)
Details
Mass0.56 ± 0.09[2] M☉
Radius1.05 ± 0.07[2] R☉
Temperature3540 ± 70[2] K
Metallicity [Fe/H]0[2] dex
Age9.3 ± 1.2[2] Myr
Other designations
EPIC 205117205, 2MASS J16101473-1919095, WISE J161014.73-191909.6
Database references
SIMBADdata

K2-33 is an extremely young pre-main-sequence star located about 453 light-years (139 pc) away from the Earth in the constellation of Scorpius. It is known to host one planet, a super-Neptune, named K2-33b. It is also notable for its young age.

  1. ^ a b c d Cite error: The named reference Gaia DR3 was invoked but never defined (see the help page).
  2. ^ a b c d e f g h Cite error: The named reference Mann2016 was invoked but never defined (see the help page).