Planet DoAr 21 (AB)c

Detailed information about planet DoAr 21 (AB)c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
DoAr 21 (AB)c
Mass
44.0 ( ± 13.6 ) MJ
Mass*sin(i)
—
Semi-Major Axis
2.8 ( ± 0.056 ) AU
Orbital Period
1013.5 ( ± 25.3 ) day
Eccentricity
0.333 ( ± 0.09 )
ω
51.1 ( ± 10.9 ) deg
Tperi
—
Radius
—
Inclination
105.75 ( ± 5.87 ) deg
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Surface gravity log(g/gH)
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

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Star

Name
DoAr 21 (AB)
Distance
134.6 ( ± 1.0 ) pc
Spectral type
K0 + M3
Apparent magnitude V
14.0
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
2.04 ( ± 0.7 ) MSun
Age
0.0006 ( ± 0.0002 ) Gyr
Effective temperature
5080.0 K
Radius
4.06 RSun
Metallicity [Fe/H]
—
Detected Disc
IR Excess
Magnetic Field
—
RA2000
16:26:03.0
Dec2000
-24:23:36.0
Alternate Names
*V2246 Oph, Haro 1-6, ISO-Oph 10, EPIC 203924502

DoAr 21 forms an eccentric binary system with an M dwarf companion star (a ∼ 0.536 AUs, P ∼ 92.92 ± 0.02 d, e = 0.391). An extended asymmetric ring structure with an inclination of about 81° is detected ∼73-219 AU away from the central star.

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