Kepler-1520

Star

Kepler-1520 — an orange K-type dwarf ~1,980 light-years away in Cygnus. Faint and ordinary, it is notable for the disintegrating planet crumbling in its glare.

Open in 3D viewSee Kepler-1520 in the live, interactive 3D map

Key facts

Mass

1.51 × 10³⁰ kg

0.76 M☉

Radius

493,947 km

71% of the Sun's radius

Surface temperature

4,677 K (4404 °C)

Spectral type

K-type (an orange dwarf)

Science

Physical

Mass: 1.51 × 10³⁰ kg · 0.76 M☉
Radius: 493,947 km · 71% of the Sun's radius
Density: 2,994 kg/m³ · 3× water
Spectral type: K-type (an orange dwarf)

Composition

By mass: A faint orange dwarf (~0.76 solar masses) in Cygnus; notable for its disintegrating planet.

Temperature

Surface: 4,677 K (4404 °C)

Radiation & temperature

Luminosity: 8.32 × 10²⁵ W · 0.217 L☉
Surface temperature: 4,677 K (4404 °C)
Peak wavelength: 620 nm · orange light

Discovery & history

Name: A Kepler-mission catalogue designation.

A Kepler target whose oddly variable transits revealed not a solid planet but a streaming cloud of dust from an evaporating world.

Images

Where to find it — in Cygnus, the Swan (IAU constellation chart). To the eye it is a single point of light; no telescope has imaged its surface. — IAU / Sky & Telescope, R. Sinnott & R. Fienberg (CC BY 3.0) · Wikimedia Commons

Images from open archives · credit shown per image