Planet GJ 752 Ab

Detailed information about planet GJ 752 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
GJ 752 Ab
Mass
—
Mass*sin(i)
0.0384 ( +0.003 -0.0044 ) MJ
Semi-Major Axis
0.3357 ( +0.0099 -0.01 ) AU
Orbital Period
105.9 ( +0.09 -0.1 ) day
Eccentricity
0.16 ( +0.05 -0.1 )
ω
269.0 ( +30.0 -45.0 ) deg
Tperi
—
Radius
—
Inclination
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
2.85 ( +0.16 -0.25 ) m/s
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

See also Planets in Binaries webpage.

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Star

Name
GJ 752 A
Distance
5.9116 ( ± 0.018 ) pc
Spectral type
M2.5V
Apparent magnitude V
9.115
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.45 ( ± 0.04 ) MSun
Age
5.5 ( ± 4.5 ) Gyr
Effective temperature
3557.0 ( ± 51.0 ) K
Radius
0.453 ( ± 0.019 ) RSun
Metallicity [Fe/H]
0.0 ( ± 0.16 )
Detected Disc
—
Magnetic Field
—
RA2000
19:16:55.3
Dec2000
+05:10:08.0
Alternate Names
HD 180617, Wolf 1055 A

Kaminski et al. (2018): GJ 752 (Wolf 1055 A or HD 180617) is the primary of the proper motion pair that also contains the M8.0V dwarf at stellar-substellar boundary vB 10 (GJ 725 B or Wolf 1055 B, mB = 0.07 MSol) with a separation of 76 arseconds (450 AUs).

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