SPECULOOS-3 Overview

SPECULOOS-3 0.13 R_⦿ 2822.00 K

SPECULOOS-3 b

0.087 R_Jup

Overview System Parameters Nearby Data Legend

Architecture: SPECULOOS-3; SPECULOOS-3

Other Data: Bibliography 2; Nearby Data 3

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
SPECULOOS-3	SPECULOOS-3 b	Transit	2024	Gillon et al. 2024	Confirmed Planet

SPECULOOS-3 Stellar Parameters (2 Solutions)

RA: 20h49m27.18s

Dec: +33d36m44.58s

Distance: ---

Parallax: ---

Ecliptic Latitude: 48.82156 deg

Ecliptic Longitude: 328.45986 deg

Galactic Latitude: -6.46517 deg

Galactic Longitude: 76.092 deg

Total Proper Motion: 459.3±8.0 mas/yr

Proper Motion (RA): -203.0±8.0 mas/yr

Proper Motion (Dec): -412.0±8.0 mas/yr

Photometry: m_V
17.8±0.2; m_TESS
13.7314000±0.0079491; m_J
11.501±0.023; m_H
10.867±0.021; m_Ks
10.541±0.016; m_Gaia
15.402300±0.000561

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

Source	Gillon et al. 2024	TICv8
T_eff (K)	2800±29	2822.0±157.0
L_✶ (log₁₀(L_⦿))	-3.08+0.01-0.01	-3.0401+0.1082-0.1445
ρ_✶ (g/cm³)	77.1±3.5	71.03396±7.81204
M_✶ (M_⦿)	0.1009±0.0024	0.1015610±0.0200066
R_✶ (R_⦿)	0.1230±0.0022	0.1263210±0.0036961
log g (log₁₀(cm/s²))	5.265±0.014	5.2418400±0.0612637
Metallicity (dex)	0.070±0.100 [Fe/H]	---
γ (km/s)	17.816±0.019	---
v sin i (km/s)	4.2±0.4	---
Age (Gyr)	6.6+1.8-2.4	---
Sp. T	M6.5+/-0.5	---

SPECULOOS-3 b Planetary Parameters (1 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service; Transit

Source	Gillon et al. 2024
a/R_✶	12.81±0.20
T_eq (K)	553±8
b	0.124±0.085
S (S_⨁)	15.54±0.42
i (deg)	89.44±0.39
P (days)	0.71912603±0.00000057
R_p (R_⨁)	0.977±0.022
R_p (R_Jup)	0.0872±0.0020
R_p/R_✶	0.07273±0.00080
a (au)	0.007330±0.000055
δ (%)	0.5291±0.0116
T₁₄ (hours)	0.4560±0.0038
T_C (days)	2459790.58344±0.00032

Nearby Data (3 Data Types within 30 arcseconds)

Known Objects: 1 Confirmed Planets; 9 2MASS Point Source Catalog

Data Files: 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

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