Planet WASP-47 b
| Name | WASP-47 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2012 | ||
| Mass | 1.14243 ( -0.02297 +0.02297 ) MJ |  |
|
| Mass*sin(i) | — | |
+ |
| Semi-Major Axis | 0.052 (± 0.011) AU | |
+ |
| Orbital Period | 4.1591289 ( -4.2e-06 +4.2e-06 ) day | |
|
| Eccentricity | 0.0028 (± 0.0028) | |
+ |
| ω | 51.0 (± 82.0) deg | |
+ |
| Tperi | 2455764.3463 (± 0.0002) JD | |
|
| Radius | 1.127 ( -0.013 +0.013 ) RJ | |
|
| Inclination | 88.98 ( -0.2 +0.2 ) deg | |
|
| Update | 2021-02-05 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2456982.97823 (± 0.00032) JD | |
+ |
| Secondary transit | — | ||
| λ | — | |
|
| Impact Parameter b | 0.173 ( -0.032 +0.032 ) | |
|
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 140.64 ( -0.44 +0.44 ) m/s | |
|
| Calculated temperature | 1275.0 K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | 1SWASP J220448.72-120107.8 b, 2MASS J22044873-1201079 b, EPIC 206103150.01, K2-23 b, WISE J220448.74-120108.4 b |
Star
WASP-47| Name | WASP-47 | ||
| Distance | 266.69 ( -4.83 +4.83 ) pc | ||
| Spectral type | G9V | ||
| Apparent magnitude V | 11.9 | ||
| Mass | 1.04 ( -0.03 +0.03 ) MSun | ||
| Age | — | ||
| Effective temperature | 5552.0 ( -75.0 +75.0 ) K | ||
| Radius | 1.14 ( -0.01 +0.01 ) RSun | ||
| Metallicity [Fe/H] | 0.38 ( -0.05 +0.05 ) | ||
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 22:04:48.7 | ||
| Dec2000 | -12:01:08 | ||
| Alternate Names | 1SWASP J220448.72-120107.8, 2MASS J22044873-1201079, EPIC 206103150, K2-23, WISE J220448.74-120108.4 | ||
| Planetary system | 4 planets |
Remarks
Alias 2MASS J220448.72-120107.8Other web-pages
Papers with primary data:- Radial Velocity:
More data
- Simbad
- Most recent references (ADS)
AMD-Stability Calculator for the System 
Related publications
A precise blue-optical transmission spectrum from the ground: evidence for haze in the atmosphere of WASP-74b
2023
SPYRATOS P., NIKOLOV N., CONSTANTINOU S., SOUTHWORTH J., MADHUSUDHAN N. et al.
MNRAS, 521, 2163
paper
A new dynamical modeling of the WASP-47 system with CHEOPS observations
2023
NASCIMBENI V., BORSATO L., ZINGALES T., PIOTTO G., PAGANO I. et al.
Astron. & Astrophys., 763, A42
paper arxiv
Revisiting WASP-47 with ESPRESSO and TESS
2022
BRYANT E. & BAYLISS D.
Astron. J., 163, 197
paper arxiv
A compositional link between stars and their rocky planets
2021
ADIBEKYAN V., DORN C., SOUSA S., SANTOS N., BITSCH B. et al.
Science, 374, 330
paper arxiv
The Dark Planets of the WASP-47 Planetary System
2020
KANE S., FETHEROLF T. & HILL M.
Astron. J., 159, 176
paper arxiv
New Insights on Planet Formation in WASP-47 from a Simultaneous Analysis of Radial Velocities and Transit Timing Variations
2017
WEISS L., DECK K., SINUKOFF E., PETIGURA E., AGOL E. et al.
Astron. J., 153, 265
paper arxiv
The Planetary Mass-Radius Relation and its Dependence on Orbital Period as Measured by Transit Timing Variations and Radial Velocities
2017
MILLS S. & MAZEH T.
ApJ. Letters, 839, L8
paper arxiv ADS
Precise Masses in the WASP-47 System
2017
VANDERBURG A., BECKER J., BUCHHAVE L., MORTIER A., LOPEZ E. et al.
Astron. J., 154, 237
paper arxiv
Exterior Companions to Hot Jupiters Orbiting Cool Stars are Coplanar
2017
BECKER J., VANDERBURG A., ADAMS F. & BRYAN M.
Astron. J., 154, 230
paper arxiv
Hiding Planets Behind a Big Friend: Mutual Inclinations of Multi-Planet Systems with External Companions
2017
LAI D. & PU B.
Astron. J., 153, 42
paper arxiv ADS
Absolute densities, masses, and radii of the WASP-47 system determined dynamically
2016
ALMENARA J., DIAZ R., BONFILS X. & UDRY S.
Astron. & Astrophys., 595, L5
paper arxiv ADS
Hot Jupiters with relatives: discovery of additional planets in orbit around WASP-41 and WASP-47
2016
NEVEU-VANMALLE M., QUELOZ D., ANDERSON D., BROWN D., COLLIER CAMERON A. et al.
Astron. & Astrophys., 586, A93
paper arxiv ADS
On the formation of compact planetary systems via concurrent core accretion and migration
2016
COLEMAN G. & NELSON R.
MNRAS, 457, 2480
paper arxiv ADS
Warm Jupiters are less lonely than hot Jupiters: close neighbours
2016
HUANG Ch., WU Y. & TRIAUD A.
ApJ, 825, 98
paper arxiv ADS
WASP-47: A Hot Jupiter System with Two Additional Planets Discovered by K2
2015
BECKER, J., VANDERBURG, ADAMS, F., RAPPAPORT, S. & H. SCHWENGELER
ApJL, 812, L18
paper arxiv ADS
Doppler Monitoring of the WASP-47 Multiplanet System
2015
DAI F., WINN J., ARRIAGADA P., BUTLER P., CRANE J. et al.
ApJ Letters, 813, L9
paper arxiv ADS
A low stellar obliquity for WASP-47, a compact multiplanet system with a hot Jupiter and an ultra-short period planet
2015
SANCHIS-OJEDA R., WINN J., DAI F., HOWARD A., ISAACSON H. et al.
ApJ Letters, 812, L11
paper arxiv ADS
A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012
HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper arxiv
Seven transiting hot-Jupiters from WASP-South, Euler and TRAPPIST: WASP-47b, WASP-55b, WASP-61b, WASP-62b, WASP-63b, WASP-66b & WASP-67b
2012
HELLIER C., ANDERSON D., COLLIER CAMERON A., DOYLE A., GILLON M. & 13 additional authors
MNRAS
arxiv
Status of the WASP-South Search for Transiting Planets
2011
HELLIER C.
The Exoplanet Handbook
2011
PERRYMAN M.
Content
Content and Chapter 5
