Planet GJ 777 Ab

Detailed information about planet GJ 777 Ab and its parameters.

Planet

Name
GJ 777 Ab
Planet Status
Confirmed
Discovered in
2003
Publication
Status
Published in a refereed paper
Update
2024-09-23
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
0.25 arcsec
ω
Tperi
Radius
Inclination
Detection Method
Radial Velocity, Astrometry
Mass Meas. Method
Astrometry
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
HD 190360 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

No remarks

Star

Name
GJ 777 A
Distance
Spectral type
G5IV-V
Apparent magnitude V
5.74
Apparent magnitude I
Apparent magnitude J
Apparent magnitude H
Apparent magnitude K
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
20:03:37.0
Dec2000
+29:53:48.0
Alternate Names
HR 7670, LAL 38380, LDS 6339 A, HD 190360

GJ 777 has a faint M dwarf companion star (G 125-55 or GJ 777 B, spT M4.5V) 2849 AUs away which in turn could be an unresolved binary with a similar companion (a ~70 AUs).

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