WASP-47 is a G-type main-sequence star of spectral type G9V, making it quite similar to the Sun. It is 1.11 M ☉ and 1.16 R ☉, with a temperature of 5576 K and an age of about 6.5 billion years. In comparison, the Sun has a slightly higher temperature of 5778 K but is significantly younger, at 4.5 billion years old.

2024年10月24日 · WASP-47 b is a gas giant exoplanet that orbits a G-type star. Its mass is 1.17674 Jupiters, it takes 4.2 days to complete one orbit of its star, and is 0.052 AU from its star. Its discovery was announced in 2012.

2024年10月25日 · WASP-47 d is a Neptune-like exoplanet that orbits a G-type star. Its mass is 15.5 Earths, it takes 9 days to complete one orbit of its star, and is 0.085 AU from its star. Its discovery was announced in 2015.

A Low Stellar Obliquity for WASP-47, a Compact Multiplanet System with a Hot Jupiter and an Ultra-short Period Planet Sanchis-Ojeda et al. 2015 | Reference Overview Hot Jupiters with relatives: discovery of additional planets in orbit around WASP-41 and WASP-47

Inhabitants of WASP-47 could see an Earth transit! The planetary system WASP-47 is highly popular at the moment, following the K2 discovery of two more transiting exoplanets, and the radial-velocity detection of a longer-period outer planet, in …

2015年10月12日 · Using new data from the K2 mission, we show that WASP-47, a previously known hot Jupiter host, also hosts two additional transiting planets: a Neptune-sized outer planet and a super-Earth inner companion.

2022年2月25日 · We report new radial velocity measurements from the ESPRESSO spectrograph for WASP-47, which we use to refine the masses of WASP-47 d and WASP-47 e, with a high cadence observing strategy aimed to focus on the super-Earth WASP-47 e.

2025年3月2日 · The WASP-47 system is notable as the first known system hosting both inner and outer low-mass planetary companions around a hot Jupiter, with an ultra-short-period (USP) planet as the innermost...

WASP-47 is a main sequence star located in the constellation of Aquarius, The Water Carrier. It is not part of the Aquarius constellation outline but is within the borders of the constellation. Based on the spectral type (G9V), WASP-47 colour is yellow, a mid-ranged temperature star.

A low stellar obliquity for WASP-47, a compact multiplanet system with a hot Jupiter and an ultra-short period planet