TOI-1691 Overview

TOI-1691 1.00 R_⦿ 5759.00 K

TOI-1691 b

0.327 R_Jup

Overview Parameters Nearby Data Bibliography 5 Legend Expand All

TOI-1691 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-1691
TOI-1691 b	16.74 d	3.66 R_⨁	Transit	2024	Polanski et al. 2024	Confirmed Planet

TOI-1691 Stellar Parameters (4 Solutions)

RA: 18h09m36.99s

Dec: +86d51m37.23s

Distance: 111.445+0.370-0.367
pc

Parallax: 8.944200±0.029466 mas

Ecliptic Latitude: 69.69721 deg

Ecliptic Longitude: 89.61674 deg

Galactic Latitude: 27.6549 deg

Galactic Longitude: 119.44578 deg

Total Proper Motion: 163.9767936±0.0501550 mas/yr

Proper Motion (RA): -25.645100±0.047562 mas/yr

Proper Motion (Dec): 161.9590000±0.0502183 mas/yr

Photometry: m_V
10.134±0.004; m_TESS
9.52636±0.00610; m_J
8.935±0.026; m_H
8.613±0.053; m_Ks
8.535±0.024; m_W1
8.489±0.023; m_W2
8.531±0.020; m_W3
8.444±0.023; m_W4
8.306±0.210; m_Gaia
9.97302±0.00025; m_B
10.787±0.062

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

Source	Crossfield et al. 2025	TICv8	MacDougall et al. 2023	ExoFOP
T_eff (K)	5759±187	5759.000+208.709-164.895	5642+81-75	5759.000±186.802
L_✶ (log₁₀(L_⦿))	---	-0.00026347951+0.03848902112-0.02451864895	-0.0306+0.0258-0.0244	---
ρ_✶ (g/cm³)	---	1.435302+0.381433-0.274575	1.3043+0.0985-0.0921	---
M_✶ (M_⦿)	1.03±0.14	1.031000+0.159127-0.127255	0.9581+0.0358-0.0340	---
R_✶ (R_⦿)	1.000±0.050	1.0042200+0.0480769-0.0513101	1.0090+0.0185-0.0183	1.00±0.05
log g (log₁₀(cm/s²))	---	4.4476700+0.0767339-0.0829030	4.409±0.025	4.4476700±0.0798184
Metallicity (dex)	---	---	0.0520+0.0550-0.0590 [Fe/H]	---
Age (Gyr)	---	---	6.6+2.3-2.2	---

TOI-1691 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

Tools: Planetary Systems; Transit Prediction Service; TOI; Transit

Source	Crossfield et al. 2025	Polanski et al. 2024	ExoFOP
T_eq (K)	---	703.493349372543+12.717849324626-12.042712010442	834
b	---	0.259466666514876+0.271392365192221-0.184254226595704	---
ω (deg)	---	90	---
M_p (M_⨁)	---	14.6+5.4-5.3	---
M_p (M_Jup)	---	0.0459+0.0170-0.0167	---
e	---	0	---
P (days)	16.736888935+0.000018196-0.000018237	16.73690±0.00003	16.7368995±0.0000400
ρ (g/cm³)	---	1.76+0.68-0.80	---
R_p (R_⨁)	3.660+0.236-0.207	3.56505067742522+0.10707322854425-0.08697536187551	2.880150±0.155867
R_p (R_Jup)	0.3265+0.0211-0.0185	0.318053065915728+0.009552450076415-0.007759435420878	0.2569502±0.0139055
R_p/R_✶	0.03335+0.00129-0.00067	0.0323932967404582+0.0007716674035887-0.0005273536302905	---
K (m/s)	---	3.8±1.4	---
a (au)	0.129365+0.005726-0.006268	0.126±0.003	---
T₁₄ (hours)	4.9804+0.0541-0.0412	4.97090327421114+0.06966353908614-0.05126153783390	4.561±0.813
T_C (days)	2459922.72550+0.00073-0.00071 (BJD-TDB)	2458818.091±0.001 (BJD)	2460458.3064870±0.0021106 (BJD)
S (S_⨁)	59.13+12.31-10.20	---	80.3869
δ (%)	---	---	0.098900000±0.002978760

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 1 Associated Literature Data

Bibliography (5 References)

OrCAS: Origins, Compositions, and Atmospheres of Sub-Neptunes. I. Survey Definition
Crossfield et al. 2025 Reference Overview
The TESS-Keck Survey. XX. 15 New TESS Planets and a Uniform RV Analysis of All Survey Targets
Polanski et al. 2024 Reference Overview
The TESS-Keck Survey. XV. Precise Properties of 108 TESS Planets and Their Host Stars
MacDougall et al. 2023 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
ExoFOP TOI Table
ExoFOP

Legend

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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Debug Info

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/39/TOI-1691.json

TOI-1691

Catalog Parameters

18h09m36.99s

Dec

dec

+86d51m37.23s

elat

69.69721

elon

89.61674

glat

27.6549

glon

119.44578

m_V

sy_vmag

10.134±0.004

m_TESS

sy_tmag

9.52636±0.00610

m_J

sy_jmag

8.935±0.026

m_H

sy_hmag

8.613±0.053

m_Ks

sy_kmag

8.535±0.024

sy_kepmag

no_data

m_W1

sy_w1mag

8.489±0.023

m_W2

sy_w2mag

8.531±0.020

m_W3

sy_w3mag

8.444±0.023

m_W4

sy_w4mag

8.306±0.210

sy_icmag

no_data

m_Gaia

sy_gaiamag

9.97302±0.00025

m_B

sy_bmag

10.787±0.062

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

163.9767936±0.0501550

μ_δ

sy_pmdec

161.9590000±0.0502183

μ_α

sy_pmra

-25.645100±0.047562

sy_plx

8.944200±0.029466

Distance

sy_dist

111.445+0.370-0.367

Set Parameters

R_✶

st_rad

1.0042200+0.0480769-0.0513101

T_eff

st_teff

5759.000+208.709-164.895