Gaia-4 Overview

Gaia-4 0.58 R_⦿ 4259.14 K

Gaia-4 b

Overview System Parameters Nearby Data Legend

Architecture: Gaia-4; Gaia-4

Other Data: Bibliography 2; Nearby Data 5

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
Gaia-4	Gaia-4 b	Astrometry	2025	Stefánsson et al. 2025	Confirmed Planet

Gaia-4 Stellar Parameters (2 Solutions)

RA: 13h58m01.53s

Dec: +31d41m43.76s

Distance: 73.4829+0.1536-0.1529
pc

Parallax: 13.5797000±0.0281642 mas

Ecliptic Latitude: 40.44688 deg

Ecliptic Longitude: 193.32852 deg

Galactic Latitude: 74.81543 deg

Galactic Longitude: 54.40658 deg

Total Proper Motion: 77.6711421±0.0593653 mas/yr

Proper Motion (RA): -75.5401000±0.0603075 mas/yr

Proper Motion (Dec): 18.0693000±0.0394153 mas/yr

Photometry: m_V
12.405±0.069; m_TESS
11.1045±0.0060; m_J
9.945±0.021; m_H
9.298±0.014; m_Ks
9.135±0.019; m_W1
9.056±0.024; m_W2
9.112001±0.020000; m_W3
8.995±0.028; m_W4
8.860±0.353; m_Gaia
11.918700±0.000365; m_B
13.872±0.069; m_g
13.5225000±0.0019891; m_i
11.5143000±0.0008629; m_r
12.028100±0.000964; m_u
16.235200±0.008428; m_z
11.3837000±0.0027503

Tools: ExoFOP Target Overview Page; IRSA Finding Chart; Stellar Hosts

Source	Stefánsson et al. 2025	TICv8
T_eff (K)	4034±77	4259.140+125.675-153.414
L_✶ (log₁₀(L_⦿))	-0.9996+0.0111-0.1365	-1.006708+0.033302-0.030062
Metallicity (dex)	0.050±0.130 [Fe/H]	0.1074870±0.0128153 [M/H]
ρ_✶ (g/cm³)	3.74+0.25-0.24	4.934857+2.043022-1.268067
M_✶ (M_⦿)	0.644+0.025-0.023	0.6700000+0.1057410-0.0581035
R_✶ (R_⦿)	0.624+0.014-0.015	0.5763090+0.0643900-0.0536251
log g (log₁₀(cm/s²))	4.68±0.05	4.742830+0.120419-0.104419
γ (km/s)	-17.53±0.23	---
v sin i (km/s)	<2	---
Age (Gyr)	6.80+4.60-4.50	---
P_rot (days)	13.3±1.3	---

Gaia-4 b Planetary Parameters (1 Solutions)

Status: Confirmed Planet
Detected By: Astrometry, Radial Velocity

Tools

Source	Stefánsson et al. 2025
T_p (days)	2457386.1+8.5-8.4
ω (deg)	180.3+5.5-4.8
M_p (M_⨁)	3750+232-210
M_p (M_Jup)	11.80+0.73-0.66
e	0.338+0.026-0.023
i (deg)	116.9+4.2-4.4
P (days)	571.3+1.4-1.3
K (m/s)	368.0+22.0-18.0

Nearby Data (5 Data Types within 30 arcseconds)

Known Objects: 1 Confirmed Planets; 1 2MASS Point Source Catalog

Data Files: 2 KELT Time Series; 1 SuperWASP Time Series; 1 Associated Literature Data

Bibliography (2 References)

System

Star

Confirmed

Candidate

False Positive Planet

Controversial

False Positive

Aliases

Data Access

Transit Prediction Service

Time Series

Kepler | K2

External Link

Search

Browse

Download