Planet ASASSN-21js b

Detailed information about planet ASASSN-21js b and its parameters.

Planet

Name
ASASSN-21js b
Planet Status
Candidate
Discovered in
2024
Update
2024-08-11
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Detection Method
Imaging, Primary Transit
Mass Meas. Method
Radius Meas. Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

A substellar object likely bound to a B-type main sequence star 13,000 AUs away. The companion is surrounded by a 2 AUs wide transiting ring with multiple gaps. The mass of the substellar object is unknown, although luminosity is compatible with a brown dwarf or an even smaller object.

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Star

Name
ASASSN-21js
Distance
Spectral type
B5V
Apparent magnitude V
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
11:47:11.8
Dec2000
-62:10:36.8
Alternate Names
2MASS 11471176-6210367

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