V1298 Tau

Planetary system · 352.9 light-years away · also TYC 1258-338-1

V1298 Tau is 353 light-years from the Sun. The NASA Exoplanet Archive lists 4 planets around this K1 star; the first was found in 2019 by transit (K2).

Fly there in 3D

Worth knowing

V1298 Tau c goes round its star every 8.25 days, 11 times as often as Mercury goes round the Sun.

V1298 Tau is one of 3 stars in its system. The position of the other 2 is not catalogued, so only V1298 Tau and its planets are drawn.

The star

Spectral typeK1
Surface temperature4,970 K
Mass1.1 solar masses
Radius1.32 solar radii
Luminosity0.954 times the Sun
Apparent magnitude10.115
Ageabout 0.02 billion years
Distance from the Sun352.9 light-years (108.2 parsecs)
Position (J2000)RA 61.3317°, Dec 20.1570°
ConstellationTaurus

Planets (4)

PlanetYearOrbitRadiusMassFound
V1298 Tau c8.25 days0.0824 AU5.08 R⊕4.7 M⊕Transit, 2019
V1298 Tau d12.4 days0.108 AU6.53 R⊕6 M⊕Transit, 2019
V1298 Tau b24.1 days0.169 AU9.41 R⊕13.1 M⊕Transit, 2019
V1298 Tau e48.7 days0.269 AU10.17 R⊕15.3 M⊕Transit, 2019

Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.

Sources

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