SWEEPS J175853.29-291233.5 is a star located around 22,000 light years away from Earth, in the constellation of Sagittarius. This star has an unconfirmed extrasolar planet.
Characteristics[]
Little is known about the characteristics of the star. The star has a magnitude of 22.25 with a mass of 0.81 solar masses and radius of 0.75 solar radii. The designation "SWEEPS J175853.29-291233.5" is named after the project SWEEPS, formally called the Sagittarius Window Eclipsing Extrasolar Planet Search.
Planetary system[]
In 2006, a group of astronomers working on the SWEEPS program announced the discovery of a planet, named SWEEPS-01, in this system. It is an unconfirmed planet.
| Planet | Mass | Semimajor axis | Orbital period (days) | Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| SWEEPS-01 | N/A | N/A | 1.56 days | N/A | >86° | 0.81 Jupiter radius |