Planet KELT-12 b

Name KELT-12 b
Planet Status Confirmed
Discovered in 2016
Mass 0.95 (± 0.14) MJ +
Mass*sin(i)
Semi-Major Axis 0.0617 ( -0.0013 +0.00099 ) AU +
Orbital Period 5.0316144 (± 3.06e-05) day +
Eccentricity 0.0
ω
Tperi
Radius 1.79 ( -0.17 +0.18 ) RJ +
Inclination 84.45 (± 1.0) deg
Update 2019-05-30
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2456806.9319 (± 0.0044) JD +
Secondary transit
λ
Impact Parameter b 0.587 ( -0.086 +62.0 ) +
Time Vr=0
Velocity Semiamplitude K 82.0 (± 12.0) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names WASP-86 b

Star

WASP-86
Name WASP-86
Distance 360.0 (± 25.0) pc
Spectral type F7
Apparent magnitude V 10.66
Mass 1.239 (± 0.028) MSun
Age 0.8 ( -0.4 +0.8 ) Gyr
Effective temperature 6330.0 (± 110.0) K
Radius 1.291 ( -0.013 +0.014 ) RSun
Metallicity [Fe/H] 0.23 (± 0.14)
Detected Disc
Magnetic Field
RA2000 17:50:33.7
Dec2000 +36:34:13
Alternate Names KELT-12, 2MASS J17503372+3634128, TYC 2619-1057-1
Planetary system 1 planet

Remarks

Stevens et al. (2017) give an age of 2.2 Gy, a mass of 1.592 solar masses, a radius of 2.37 solar radius

More data

Observability Predictor

Remarks

30 May 2019: Faedi et al. (2016) have announced the same planet as WASP-86 b with different mass and radius, but the paper is still not accepted.

Other web-pages

1608.04714.pdf

Related publications

Ephemeris refinement of 21 Hot Jupiter exoplanets with high timing uncertainties
2018 MALLONN M., von ESSEN C., HERRERO E., ALEXOUDI X., GRANZE T. et al.
Astron. & Astrophys., accepted
arxiv  

KELT-12b: A P∼5 Day, Highly Inflated Hot Jupiter Transiting a Mildly Evolved Hot Star
2017 STEVENS, D., COLLINS, K., GAUDI, B., BEATTY, T., SIVERD, R. & 40 additional authors
Astron. J., 153, 178
paper  arxiv  ADS  

WASP-86b and WASP-102b: super-dense versus bloated planets
2016 FAEDI, F., GOMEZ, MAQUEO CHEW, POLLACCO, D., BROWN, D., HEBRARD, G. & 37 additional authors
Astron. & Astrophys., submitted
arxiv  ADS