GJ 504

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
GJ 504
GJ 504 b	43.5 au	1271.3 M_⨁	Imaging	2013	Kuzuhara et al. 2013	Confirmed Planet

Exoplanet Archive Notes (1)

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GJ 504

Some stellar parameter values may be biased due to companion blend (WDS Catalog)

GJ 504 Stellar Parameters (34 Solutions)

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RA: 13h16m46.16s

Dec: +09d25m29.92s

Distance: 17.5299+0.0785-0.0778
pc

Parallax: 57.018600±0.252435 mas

Ecliptic Latitude: 16.21506 deg

Ecliptic Longitude: 194.00261 deg

Galactic Latitude: 71.31364 deg

Galactic Longitude: 322.78669 deg

Total Proper Motion: 386.8630302±0.5856985 mas/yr

Proper Motion (RA): -336.664000±0.629573 mas/yr

Proper Motion (Dec): 190.5790±0.4203 mas/yr

Photometry: m_V
5.18799±0.02300; m_TESS
4.6552±0.0073; m_J
4.392±0.284; m_H
4.107±0.208; m_Ks
4.033±0.238; m_W1
3.787±0.357; m_W2
3.552±0.253; m_W3
3.831±0.015; m_W4
3.757±0.022; m_Ic
4.555; m_Gaia
5.0415600±0.0040502; m_B
5.768±0.021

Abundances (Hypatia Catalog): [Fe/H] 0.18±0.19 dex; [C/H] 0.16±0.18 dex; [O/H] 0.18±0.20 dex; [Na/H] 0.18±0.19 dex; [Mg/H] 0.25±0.12 dex; [Al/H] 0.21±0.08 dex; [Si/H] 0.19±0.10 dex; [Ca/H] 0.25±0.11 dex; [Y/H] 0.18±0.14 dex; [BaII/H] 0.23±0.22 dex

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

Source	Swastik et al. 2021	TICv8	Gaia DR2	D'Orazi et al. 2017	Turnbull 2015	Maldonado et al. 2015	Kuzuhara et al. 2013	Takeda et al. 2007	Valenti & Fischer 2005	Wright et al. 2004	Nordstrom et al. 2004	Reiners & Schmitt 2003a	Pizzolato et al. 2003	Nidever et al. 2002	Henry et al. 1996	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Cannon & Pickering 1918
S Index	---	---	---	---	---	---	---	---	---	0.337±0.044	---	---	---	---	0.375	0.3103±0.0241	0.3001±0.0034	0.3136±0.0081	0.3032±0.0074	0.3086±0.0092	0.3228±0.0087	0.3429±0.0208	0.3294±0.0059	0.2927±0.0089	0.2995±0.0051	0.3103±0.0241	0.3001±0.0034	0.3136±0.0081	0.3032±0.0074	0.3086±0.0092	0.3228±0.0087	0.3429±0.0208	0.3294±0.0059	---
CAII LOG RHK	---	---	---	---	---	---	---	---	---	-4.40	---	---	---	---	-4.34	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
T_eff (K)	6291+14-16	6029.190+140.041-155.493	6100.0+53.0-153.0	6205±20	6234	6130±48	6234±25	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
Metallicity (dex)	0.27+0.02-0.03 [Fe/H]	0.2098520±0.0141715 [M/H]	---	0.22±0.04 [Fe/H]	0.28 [Fe/H]	0.18±0.04 [Fe/H]	0.28±0.03 [Fe/H]	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
log g (log₁₀(cm/s²))	4.34+0.01-0.02	4.225280+0.102715-0.078425	---	4.29±0.07	4.39	4.33±0.10	4.60±0.02	4.39+0.01-0.03	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
L_✶ (log₁₀(L_⦿))	---	0.33773493+0.01131879-0.01735425	0.35322862+0.00245713-0.00247113	---	0.360 +0.011-0.012	---	0.332±0.032	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
γ (km/s)	---	---	-27.308124748713837±0.151939845997764	---	---	---	---	---	-26.6	---	-27.4±0.1	---	---	-27.1	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
R_✶ (R_⦿)	---	1.352080+0.070996-0.073391	1.3446438+0.0700780-0.0230648	1.30	1.26	---	---	1.26+0.03-0.04	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
v sin i (km/s)	5.47+0.12-0.17	---	---	6±1	---	---	---	---	7.4±0.5	---	7	4.5±0.3	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
Age (Gyr)	---	---	---	2.5+1.0-0.7	1.4	---	0.160 +0.350-0.060	<0.76	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
M_✶ (M_⦿)	---	1.120000+0.169108-0.134339	---	1.22	1.29	---	1.22±0.08	1.294+0.041-0.048	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
Sp. T	---	---	---	---	G0Vs	---	G0 V	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	G0
P_rot (days)	---	---	---	3.33	---	---	---	---	---	---	---	---	3.30	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
ρ_✶ (g/cm³)	---	0.6388177+0.2040216-0.1150152	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---

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GJ 504 b Planetary Parameters (2 Solutions)

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Status: Confirmed Planet

Detected By: Imaging

Tools: Planetary Systems; Direct Imaging; Atmospheric Spectroscopy

Source	Kuzuhara et al. 2013	Mâlin et al. 2025
T_eq (K)	510 +30-20	512±10
R_p (R_⨁)	---	12.1+0.4-0.3
R_p (R_Jup)	---	1.08+0.04-0.03
M_p (M_⨁)	1271.3 +1430.2-317.8	---
M_p (M_Jup)	4.0 +4.5-1.0	---
a (au)	43.5	---

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Ancillary Information (3 Unique Files)

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+ GJ 504 (2 File Types, 3 Files)

Literature Time Series (2 File Types, 3 Files)

File Type	Data Points	Filter	Reference
Photometric Light Curve	80	Hp (Hipparcos)	Hipparcos and Tycho Catalogs
Radial Velocity Curve	21	Optical Spectra	Howard & Fulton 2016
Radial Velocity Curve	16	Optical Spectra	Howard & Fulton 2016

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 4 2MASS Point Source Catalog

Data Files: 1 Associated Literature Data

Bibliography (27 References)

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First unambiguous detection of ammonia in the atmosphere of a planetary mass companion with JWST/MIRI coronagraphs
Mâlin et al. 2025 Reference Overview
Host Star Metallicity of Directly Imaged Wide-orbit Planets: Implications for Planet Formation
Swastik et al. 2021 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
A critical reassessment of the fundamental properties of GJ 504: chemical composition and age
D'Orazi et al. 2017 Reference Overview
Limits on Planetary Companions from Doppler Surveys of Nearby Stars
Howard & Fulton 2016 Reference Overview
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 Reference Overview
Searching for signatures of planet formation in stars with circumstellar debris discs
Maldonado et al. 2015 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
Direct Imaging of a Cold Jovian Exoplanet in Orbit around the Sun-like Star GJ 504
Kuzuhara et al. 2013 Reference Overview
Structure and Evolution of Nearby Stars with Planets. II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog
Takeda et al. 2007 Reference Overview
Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs
Valenti & Fischer 2005 Reference Overview
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 Reference Overview
The Geneva-Copenhagen survey of the Solar neighbourhood. Ages,metallicities and kinematix properties of ~14 000 F and G dwarfs
Nordstrom et al. 2004 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
Rotation and differential rotation in field F- and G-type stars
Reiners & Schmitt 2003a Reference Overview
The stellar activity-rotation relationship revisited: Dependence of saturated and non-saturated X-ray emission regimes on stellar mass for late-type dwarfs.
Pizzolato et al. 2003 Reference Overview
Radial Velocities of 889 late-type stars
Nidever et al. 2002 Reference Overview
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 Reference Overview
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog Reference Overview
The Washington Double Star Catalog (WDS, 1996.0)
WDS Catalog Reference Overview
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs Reference Overview
A Survey of Ca II H and K Chromospheric Emission in Southern Solar-Type Stars
Henry et al. 1996 Reference Overview
CA II H and K measurements made at Mount Wilson Observatory, 1966-1983
Duncan et al. 1991 Reference Overview
VRI photometry of nearby stars.
Cousins 1980a Reference Overview
UBVRIJKL Photometry of Bright Stars
Johnson et al. 1966 Reference Overview
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 Reference Overview

Legend

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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

Debug Info

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https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/GJ_504.json

Catalog Parameters

RA

ra

13h16m46.16s

Dec

dec

+09d25m29.92s

β

elat

16.21506

λ

elon

194.00261

b

glat

71.31364

l

glon

322.78669

m_V

sy_vmag

5.18799±0.02300

m_TESS

sy_tmag

4.6552±0.0073

m_J

sy_jmag

4.392±0.284

m_H

sy_hmag

4.107±0.208

m_Ks

sy_kmag

4.033±0.238

sy_kepmag

no_data

m_W1

sy_w1mag

3.787±0.357

m_W2

sy_w2mag

3.552±0.253

m_W3

sy_w3mag

3.831±0.015

m_W4

sy_w4mag

3.757±0.022

m_Ic

sy_icmag

4.555

m_Gaia

sy_gaiamag

5.0415600±0.0040502

m_B

sy_bmag

5.768±0.021

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

μ

sy_pm

386.8630302±0.5856985

μ_δ

sy_pmdec

190.5790±0.4203

μ_α

sy_pmra

-336.664000±0.629573

π

sy_plx

57.018600±0.252435

Distance

sy_dist

17.5299+0.0785-0.0778

Set Parameters

R_✶

st_rad

1.3446438+0.0700780-0.0230648

T_eff

st_teff

6130±48

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GJ 504