Planet MASCARA-3 b

Name MASCARA-3 b
Planet Status Confirmed
Discovered in 2019
Mass 5.18 (± 0.22) MJ
Mass*sin(i)
Semi-Major Axis 0.06971 ( -0.0096 +0.0088 ) AU
Orbital Period 5.5514926 (± 8e-06) day
Eccentricity 0.085 (± 0.023) +
ω 41.0 ( -20.0 +14.0 ) deg +
Tperi 2457146.6 ( -0.22 +0.17 ) JD
Radius 1.272 (± 0.022) RJ
Inclination 89.16 ( -0.77 +0.6 ) deg
Update 2019-09-05
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457147.053 (± 0.002) JD
Secondary transit 2457144.422 ( -0.056 +0.06 ) JD
λ 2.6 ( -3.6 +5.1 ) deg
Impact Parameter b 0.32 (± 0.01)
Time Vr=0
Velocity Semiamplitude K 403.0 (± 11.0) m/s
Calculated temperature 1458.0 (± 16.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HD 93148 b, KELT-24 b

Star

HD 93148
Name HD 93148
Distance 96.79 (± 0.3) pc
Spectral type F5
Apparent magnitude V 8.4
Mass 1.461 ( -0.06 +0.056 ) MSun
Age 0.77 ( -0.42 +0.61 ) Gyr
Effective temperature 6508.0 (± 49.0) K
Radius 1.506 (± 0.022) RSun
Metallicity [Fe/H] 0.188 (± 0.077)
Detected Disc
Magnetic Field
RA2000 10:47:38.0
Dec2000 +71:39:21
Alternate Names
Planetary system 1 planet

More data

Observability Predictor

Remarks

13 Jun 2019: The planet has been discovered independently by two team: KELT (Rodriguez et al. 2019) and MASCARA (Hjorth et al. 2019) with similar parameters.

Related publications

Search for planets in hot Jupiter systems with multi-sector TESS photometry. I. No companions in planetary systems KELT-18, KELT-23, KELT-24, Qatar-8, WASP-62, WASP-100, WASP-119, and WASP-126
2020 MACIEJEWSKI G.
Acta Astron., submitted
arxiv

KELT-24b: A 5MJ Planet on a 5.6 day Well-Aligned Orbit around the Young V=8.3 F-star HD 93148
2019 RODRIGUEZ J., EASTMAN J., ZHOU G., QUINN S., BEATTY Th. et al.
Astron. J., 158, 197
paper   arxiv  

MASCARA-3b: A hot Jupiter transiting a bright F7 star in an aligned orbit
2019 HJORTH M., ALBRECHT S., TALENS G., JUSTESEN A., OTTEN G. et al.
Astron. & Astrophys., 631, A76
paper  arxiv