Planet GJ 774 Ab

Detailed information about planet GJ 774 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
GJ 774 Ab
Planet Status
Candidate
Discovered in
2026
Publication
Status
—
Update
2026-10-21
Mass
—
Mass*sin(i)
—
Semi-Major Axis
0.0364 AU
Orbital Period
4.225138 ( ± 1e-05 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.062 ( ± 0.0054 ) RJ
Inclination
88.41 ( +0.23 -0.19 ) deg
Detection Method
Primary Transit
Mass Meas. Method
—
Radius Meas. Method
Primary Transit
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
0.59 ( +0.06 -0.08 )
Time Vr=0
—
Velocity Semiamplitude K
0.27 m/s
Calculated temperature
548.0 ( ± 16.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
TIC 351339274 b, TIC 351339274.01
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
GJ 774 A
Distance
12.86 pc
Spectral type
M2.5V
Apparent magnitude V
11.5
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.359 ( ± 0.009 ) MSun
Age
5.0 Gyr
Effective temperature
3552.0 ( ± 89.0 ) K
Radius
0.372 ( ± 0.011 ) RSun
Metallicity [Fe/H]
-0.38 ( ± 0.18 )
Detected Disc
—
Magnetic Field
—
RA2000
20:04:04.7
Dec2000
-65:36:01.2
Alternate Names
V375 Pav, L 115-21, HIP 98811, TIC 351339274

A fainter companion star (GJ 774 B, spT M3.5V) lies 230 AUs away.

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