Planet gam2 Del b

Detailed information about planet gam2 Del b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
gam2 Del b
Planet Status
Unconfirmed
Discovered in
1999
Update
2024-09-29
Mass
0.7 MJ
Mass*sin(i)
0.7 MJ
Semi-Major Axis
1.5 AU
Orbital Period
525.6 day
Eccentricity
—
ω
—
Tperi
—
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
10.0 ( ± 10.0 ) m/s
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

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Star

Name
gam2 Del
Distance
35.049 ( ± 0.59 ) pc
Spectral type
K1IV
Apparent magnitude V
4.25
Mass
1.99 ( ± 0.06 ) MSun
Age
1.81 ( ± 0.11 ) Gyr
Effective temperature
4804.0 ( ± 77.0 ) K
Radius
8.43 ( ± 0.33 ) RSun
Metallicity [Fe/H]
0.12 ( ± 0.03 )
Detected Disc
—
Magnetic Field
—
RA2000
20:46:39.5
Dec2000
+16:07:27.5
Alternate Names
12 Del A, HD 197964

Gamma2 Delphini is the evolved primary component of a widely separated (a = 265 AUs), highly eccentric (e = 0.916) binary system, whose secondary component is a late F secondary (Gamma1 Delphini, spT F7IV; Irwin et al. 1999).

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