GJ 9689 Overview

GJ 9689 0.54 R_⦿ 3845.00 K

GJ 9689 b

Overview Notes 1 Parameters Ancillary 1 Nearby Data Bibliography 6 Legend Expand All

GJ 9689 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
GJ 9689
GJ 9689 b	18.27 d	> 9.65 M_⨁	Radial Velocity	2020	Maldonado et al. 2021	Confirmed Planet

Exoplanet Archive Notes (1)

GJ 9689 b

Equilibrium temperature value/uncertainties estimated from range given in ref. (Maldonado et al. 2021)

GJ 9689 Stellar Parameters (3 Solutions)

RA: 20h13m52.26s

Dec: +13d23m20.01s

Distance: 30.62030±0.04185 pc

Parallax: 32.6292000±0.0442634 mas

Ecliptic Latitude: 32.36134 deg

Ecliptic Longitude: 309.425 deg

Galactic Latitude: -11.48747 deg

Galactic Longitude: 54.62427 deg

Total Proper Motion: 422.3565700±0.0571255 mas/yr

Proper Motion (RA): 421.9210000±0.0571368 mas/yr

Proper Motion (Dec): 19.1766000±0.0513736 mas/yr

Photometry: m_V
11.297±0.013; m_TESS
9.5488500±0.0072543; m_J
8.309±0.029; m_H
7.633±0.021; m_Ks
7.468±0.021; m_Gaia
10.537200±0.000444; m_B
12.728±0.018

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

Source	Maldonado et al. 2021	TICv8	Turnbull 2015
T_eff (K)	3836±69	3784.0±157.0	3845
L_✶ (log₁₀(L_⦿))	-1.20±0.09	-1.17065+0.08856-0.11138	-1.222 +1.014-0.921
M_✶ (M_⦿)	0.59±0.06	0.5917780±0.0202442	0.48
R_✶ (R_⦿)	0.57±0.06	0.6045410±0.0178959	0.54
Sp. T	M0.5	---	M0V:
Metallicity (dex)	0.05±0.04 [Fe/H]	---	---
v sin i (km/s)	<1.47	---	---
Age (Gyr)	8.90±3.90	---	---
log g (log₁₀(cm/s²))	4.69±0.05	4.6473800±0.0108573	---
P_rot (days)	39.97+0.39-0.38	---	---
ρ_✶ (g/cm³)	---	3.776135±0.206470	---

GJ 9689 b Planetary Parameters (1 Solution)

Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Maldonado et al. 2021
T_p (days)	2456406.17+1.00-0.89 (BJD)
T_eq (K)	453.04+39.15-39.16
ω (deg)	173.73+20.67-22.88
M_p sin i (M_⨁)	9.650±1.410
M_p sin i (M_Jup)	0.03036±0.00444
e	0.29+0.11-0.13
P (days)	18.27±0.01
K (m/s)	3.48+0.44-0.42
a (au)	0.1139±0.0039

Ancillary Information (1 Unique File)

+ GJ 9689 (1 File Type, 1 File)

Literature Time Series (1 File Type, 1 File)

File Type	Data Points	Filter	Reference
Photometric Light Curve	101	Hp (Hipparcos)	Hipparcos and Tycho Catalogs

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 4 KELT Time Series; 1 Associated Literature Data

Bibliography (6 References)

HADES RV programme with HARPS-N at TNG. XIV. A candidate super-Earth orbiting the M-dwarf GJ 9689 with a period close to half the stellar rotation period
Maldonado et al. 2021 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog Reference Overview
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs Reference Overview

Legend

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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Debug Info

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/GJ_9689.json

GJ 9689

Catalog Parameters

20h13m52.26s

Dec

dec

+13d23m20.01s

elat

32.36134

elon

309.425

glat

-11.48747

glon

54.62427

m_V

sy_vmag

11.297±0.013

m_TESS

sy_tmag

9.5488500±0.0072543

m_J

sy_jmag

8.309±0.029

m_H

sy_hmag

7.633±0.021

m_Ks

sy_kmag

7.468±0.021

sy_kepmag

no_data

sy_w1mag

no_data

sy_w2mag

no_data

sy_w3mag

no_data

sy_w4mag

no_data

sy_icmag

no_data

m_Gaia

sy_gaiamag

10.537200±0.000444

m_B

sy_bmag

12.728±0.018

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

422.3565700±0.0571255

μ_δ

sy_pmdec

19.1766000±0.0513736

μ_α

sy_pmra

421.9210000±0.0571368

sy_plx

32.6292000±0.0442634

Distance

sy_dist

30.62030±0.04185

Set Parameters

R_✶

st_rad

0.54

T_eff

st_teff

3845