Planet WASP-69 b

Name WASP-69 b
Planet Status Confirmed
Discovered in 2011
Mass 0.26 ( -0.017 +0.017 ) MJ
Mass*sin(i) 0.26 ( -0.017 +0.017 ) MJ +
Semi-Major Axis 0.04525 (± 0.00053) AU
Orbital Period 3.8681382 (± 1.7e-06) day +
Eccentricity 0.0
ω
Tperi
Radius 1.057 ( -0.047 +0.047 ) RJ +
Inclination 86.71 (± 0.2) deg
Update 2021-01-05
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2455748.83344 (± 0.00018) JD
Secondary transit
λ
Impact Parameter b 0.686 (± 0.686)
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 963.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

WASP-69
Name WASP-69
Distance 50.0 (± 10.0) pc
Spectral type K5
Apparent magnitude V 9.87
Mass 0.826 (± 0.029) MSun
Age 2.0 Gyr
Effective temperature 4715.0 (± 50.0) K
Radius 0.813 (± 0.028) RSun
Metallicity [Fe/H] 0.144 (± 0.077)
Detected Disc
Magnetic Field
RA2000 21:00:06.0
Dec2000 -05:05:40
Alternate Names
Planetary system 1 planet

More data

Atmospheric parameters

Temperatures

Data Source Type Result Value Result Figure Notes Reference

Molecules

Molecule Data Source Type Result Value Result Figure Notes Reference
He Measurements Detected 2021 - WANG L. & DAI F.
Measurements Detected 2020 - VISSEPRAGADA Sh.
Measurements Detected 2018 - NORTMANN L.
Na Measurements Detected 2017 - CASASAYAS-BARRIS N.

Observability Predictor

Remarks

7 Sep 2011: This object waits for publication in a refereed journal

Related publications

Metastable Helium Absorptions with 3D Hydrodynamics and Self-Consistent Photochemistry I: WASP-69b, Dimensionality, XUV Flux
2021 WANG L. & DAI F.
ApJ, 914, 99
paper   arxiv  

Probing the atmosphere of WASP-69 b with low- and high-resolution transmission spectroscopy
2021 KHALAFINEJAD S., MOLAVERDIKHANI K., BLECIC J., MALLONN M., NORTMANN L. et al.
Astron. & Astrophys., in press
paper   arxiv  

Detection of Aerosols at Microbar Pressures in an Exoplanet Atmosphere
2021 ESTRELA R., SWAIN M., ROUDIER G., WEST R., SEDAGHATI E. & VALIO A.
Astron. J., accepted
arxiv

Constraints on Metastable Helium in the Atmospheres of WASP-69b and WASP-52b with Ultra-Narrowband Photometry
2020 VISSEPRAGADA Sh., KNUTSON H., JOVANOVIC N., HARADA C., OKLOPCIC A. et al.
Astron. J., 159, 278
paper   arxiv

The GTC exoplanet transit spectroscopy survey XI. Possible detection of Rayleigh scattering in the atmosphere of the Saturn-mass planet WASP-69b
2020 MURGAS F., CHEN G., NORTMANN L., PALLE E. & NOWAK G.
Astron. & Astrophys., 641, A158
paper  arxiv  

Detection limits of exoplanetary atmospheres with 2-m class telescopes
2019 KABATH P., ZAK J., BOFFIN H., IVANOV V., JONES D. & SKARKA M.
PASP, 131, 085001
paper  arxiv  

Investigating Trends in Atmospheric Compositions of Cool Gas Giant Planets Using Spitzer Secondary Eclipses
2019 WALLACK N., KNUTSON H., MORLEY C., MOSES J., THOMAS N. et al.
Astron J., 158, 217
paper  arxiv

High-Resolution Transit Spectroscopy of Warm Saturns
2018 DEIBERT E., de MOOIJ E., JAYAWARDHANA R., FORTNEY J., BROGI M. et al.
ApJ, submitted

Ground-based detection of an extended helium atmosphere in the Saturn-mass exoplanet WASP-69b
2018 NORTMANN L., PALLE E., SALZ M., SANZ-FORCADA J., NAGEL E. et al.
Science, 362, 1388
paper  arxiv  

Detection of sodium in the atmosphere of WASP-69b
2017 CASASAYAS-BARRIS N., PALLE E., NOWAK G., YAN F., NORTMAN L. & MURGAS F.
Astron. & Astrophys., 608, A135
paper  arxiv  

A comparison of gyrochronological and isochronal age estimates for transiting exoplanet host stars
2015 MAXTED P., SERENELLI A. & SOUTHWORTH J.
Astron. & Astrophys., accepted
arxiv  

Three newly discovered sub-Jupiter-mass planets: WASP-69b & WASP-84b transit active K dwarfs and WASP-70Ab transits the evolved primary of a G4+K3 binary
2014 ANDERSON D., COLLIER-CAMERON A., DELREZ L., DOYLE A., FAEDI F. & 19 additional authors
MNRAS, 445, 1114
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

Status of the WASP-South Search for Transiting Planets
2011 HELLIER C.

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5