GJ 486

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
GJ 486
GJ 486 b	1.47 d	1.29 R_⨁	Radial Velocity	2021	Trifonov et al. 2021	Confirmed Planet

Exoplanet Archive Notes (1)

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GJ 486

Stellar age value/uncertainties estimated from range given in ref. (Caballero et al. 2022)

GJ 486 Stellar Parameters (10 Solutions)

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RA: 12h47m55.57s

Dec: +09d44m57.91s

Distance: 8.074260±0.004095 pc

Parallax: 123.8210000±0.0623236 mas

Ecliptic Latitude: 13.69483 deg

Ecliptic Longitude: 187.11208 deg

Galactic Latitude: 72.60142 deg

Galactic Longitude: 300.0371 deg

Total Proper Motion: 1108.4628997±0.1297026 mas/yr

Proper Motion (RA): -1008.600000±0.137905 mas/yr

Proper Motion (Dec): -459.8000000±0.0791263 mas/yr

Photometry: m_V
11.39±0.10; m_TESS
8.8223000±0.0072712; m_J
7.195±0.026; m_H
6.666±0.046; m_Ks
6.362±0.018; m_Ic
8.710±0.021; m_Gaia
10.094000±0.000746; m_B
2.615±0.291

Abundances (Hypatia Catalog): [Fe/H] -0.11±0.04 dex; [Mg/H] -0.14±0.07 dex; [Si/H] -0.24±0.05 dex

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

Source	Weiner Mansfield et al. 2024	Caballero et al. 2022	Trifonov et al. 2021	TICv8	Gaia DR2	Turnbull 2015	Wright et al. 2004	Nidever et al. 2002	Hawley et al. 1996	ExoFOP
S Index	---	---	---	---	---	---	0.652±0.085	---	---	---
T_eff (K)	3317+36-37	3291±75	3340±54	3297.0±157.0	3588.46+252.63-204.96	3267	---	---	---	3297±157
L_✶ (log₁₀(L_⦿))	-1.939+0.017-0.018	-1.916+0.028-0.030	-1.917+0.008-0.008	-1.93194+0.09733-0.12564	---	-2.000 +1.041-0.954	---	---	---	---
M_✶ (M_⦿)	0.3120+0.0070-0.0069	0.333±0.019	0.323±0.015	0.3127920±0.0201625	---	0.34	---	---	---	---
R_✶ (R_⦿)	0.3243+0.0044-0.0034	0.339±0.015	0.328±0.011	0.3314720±0.0098315	---	0.37	---	---	---	0.331472009420395±0.009831490000000
Sp. T	---	M3.5 V	M3.5 V	---	---	M4	---	---	M3.5	---
Metallicity (dex)	-0.15+0.13-0.12 [Fe/H]	-0.15±0.13 [Fe/H]	0.070±0.160 [Fe/H]	---	---	---	---	---	---	---
P_rot (days)	---	49.9±5.5	130.1+1.6-1.2	---	---	---	---	---	---	---
γ (km/s)	---	19.106±0.013	---	---	---	---	---	19.1	---	---
ρ_✶ (g/cm³)	12.95+0.25-0.50	11.570+0.690-1.340	---	12.1082368±0.2959366	---	---	---	---	---	---
log g (log₁₀(cm/s²))	4.9111+0.0068-0.0110	4.82±0.12	---	4.8924300±0.0022634	---	---	---	---	---	4.89
v sin i (km/s)	---	<2.0	---	---	---	---	---	---	---	---
Age (Gyr)	---	4+4-3	---	---	---	---	---	---	---	---
CAII LOG RHK	---	-5.461+0.067-0.079	---	---	---	---	---	---	---	---

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GJ 486 b Planetary Parameters (4 Solutions)

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Status: Confirmed Planet

Detected By: Radial Velocity, Transit

Tools: Planetary Systems; TOI; Transit; Atmospheric Spectroscopy

Source	Weiner Mansfield et al. 2024	Caballero et al. 2022	Trifonov et al. 2021	ExoFOP
T_eq (K)	696.3+7.2-7.3	706+19-20	701±13	639.363176812534
S (S_⨁)	39.2+1.7-1.6	41.3+4.4-4.8	40.3+1.5-1.4	39.4922140395627
M_p (M_⨁)	2.770+0.076-0.073	3.00±0.13	2.82+0.11-0.12	---
M_p (M_Jup)	0.008715+0.000239-0.000230	0.00944±0.00041	0.00887+0.00035-0.00038	---
e	0.000860+0.001600-0.000430	0	<0.05	---
i (deg)	89.39+0.41-0.42	88.90+0.69-0.84	88.4+1.1-1.4	---
P (days)	1.46712127+0.00000031-0.00000035	1.4671205+0.0000012-0.0000011	1.467119+0.000031-0.000030	1.46711903473069±0.00000245359640
ρ (g/cm³)	6.66+0.23-0.29	6.79+1.08-0.91	7.0+1.2-1.0	---
R_p (R_⨁)	1.289+0.019-0.014	1.343+0.063-0.062	1.305+0.063-0.067	1.32413939669125±0.33019075000000
R_p (R_Jup)	0.1150+0.0017-0.0012	0.1198+0.0056-0.0055	0.1164+0.0056-0.0060	0.118132007907842±0.029457696363060
K (m/s)	3.389+0.076-0.075	3.495+0.064-0.066	3.370+0.078-0.080	---
a (au)	0.01714±0.00013	0.01713+0.00091-0.00098	0.01734+0.00026-0.00027	---
T_C (days)	2459939.071602±0.000010 (BJD-TDB)	2459309.676506+0.000102-0.000099 (BJD)	2458931.15935±0.00042 (BJD)	2459691.1493370±0.0012488 (BJD)
δ (%)	0.13871+0.00044-0.00042	0.1321+0.0034-0.0028	---	0.155063236799172±0.004627417000000
T₁₄ (hours)	1.01580+0.00098-0.00084	1.083+0.086-0.038	---	1.00693130800535±0.10849214000000
a/R_✶	11.380+0.074-0.150	10.96+0.21-0.44	---	---
b	0.120+0.080-0.081	0.21+0.14-0.13	---	---
ω (deg)	14+62-85	90	---	---
R_p/R_✶	0.037244+0.000059-0.000056	0.03635+0.00046-0.00039	---	---
M_p sin i (M_⨁)	2.77+0.08-0.07	---	---	---
M_p sin i (M_Jup)	0.00871+0.00024-0.00023	---	---	---

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Ancillary Information (1 Unique File)

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+ GJ 486 (1 File Type, 1 File)

Literature Time Series (1 File Type, 1 File)

File Type	Data Points	Filter	Reference
Photometric Light Curve	70	Hp (Hipparcos)	Hipparcos and Tycho Catalogs

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 1 Associated Literature Data

Bibliography (15 References)

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No Thick Atmosphere on the Terrestrial Exoplanet Gl 486b
Weiner Mansfield et al. 2024 Reference Overview
High Tide or Riptide on the Cosmic Shoreline? A Water-Rich Atmosphere or Stellar Contamination for the Warm Super-Earth GJ~486b from JWST Observations
Moran et al. 2023 Reference Overview
A detailed analysis of the Gl 486 planetary system
Caballero et al. 2022 Reference Overview
A nearby transiting rocky exoplanet that is suitable for atmospheric investigation
Trifonov 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
ExoFOP TOI Table
ExoFOP
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 Reference Overview
Further observations of Hipparcos red stars and standards for UBV(RI)_C photometry
Kilkenny et al. 2007 Reference Overview
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
Radial Velocities of 889 late-type stars
Nidever et al. 2002 Reference Overview
Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalog
Bakos et al. 2002 Reference Overview
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs Reference Overview
The Palomar/MSU nearby star spectroscopic survey. II. The southern M dwarfs and investigations of magnetic activity.
Hawley et al. 1996 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
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Download

Debug Info

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https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/GJ_486.json

Catalog Parameters

RA

ra

12h47m55.57s

Dec

dec

+09d44m57.91s

β

elat

13.69483

λ

elon

187.11208

b

glat

72.60142

l

glon

300.0371

m_V

sy_vmag

11.39±0.10

m_TESS

sy_tmag

8.8223000±0.0072712

m_J

sy_jmag

7.195±0.026

m_H

sy_hmag

6.666±0.046

m_Ks

sy_kmag

6.362±0.018

sy_kepmag

no_data

sy_w1mag

no_data

sy_w2mag

no_data

sy_w3mag

no_data

sy_w4mag

no_data

m_Ic

sy_icmag

8.710±0.021

m_Gaia

sy_gaiamag

10.094000±0.000746

m_B

sy_bmag

2.615±0.291

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

μ

sy_pm

1108.4628997±0.1297026

μ_δ

sy_pmdec

-459.8000000±0.0791263

μ_α

sy_pmra

-1008.600000±0.137905

π

sy_plx

123.8210000±0.0623236

Distance

sy_dist

8.074260±0.004095

Set Parameters

R_✶

st_rad

0.37

T_eff

st_teff

3267

GJ 486 Overview

GJ 486 Architecture & Discovery Information

GJ 486