TOI-269 Overview

TOI-269 0.40 R_⦿ 3607.00 K

TOI-269 b

0.247 R_Jup

Overview Notes 1 Parameters Nearby Data Bibliography 4 Legend Expand All

TOI-269 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-269
TOI-269 b	3.7 d	2.77 R_⨁	Transit	2021	Cointepas et al. 2021	Confirmed Planet

Exoplanet Archive Notes (1)

TOI-269 b

Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Cointepas et al. 2021)

TOI-269 Stellar Parameters (3 Solutions)

RA: 05h03m23.11s

Dec: -54d10m39.80s

Distance: 57.0225+0.0757-0.0756
pc

Parallax: 17.508000±0.023093 mas

Ecliptic Latitude: -75.85225 deg

Ecliptic Longitude: 54.15679 deg

Galactic Latitude: -37.32334 deg

Galactic Longitude: 261.96005 deg

Total Proper Motion: 123.6176738±0.0430354 mas/yr

Proper Motion (RA): 26.4720000±0.0432139 mas/yr

Proper Motion (Dec): -120.7500000±0.0430268 mas/yr

Photometry: m_V
14.370±0.114; m_TESS
12.2958000±0.0074126; m_J
10.909±0.026; m_H
10.304±0.022; m_Ks
10.100±0.023; m_W1
9.928001±0.023000; m_W2
9.803001±0.020000; m_W3
9.710±0.032; m_W4
9.023; m_Gaia
13.425800±0.000369; m_B
15.985±0.032

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

Source	Cointepas et al. 2021	TICv8	ExoFOP
T_eff (K)	3514±70	3546.0±157.0	3607
R_✶ (R_⦿)	0.398±0.012	0.397924±0.011947	0.39792400598526±0.01194700000000
log g (log₁₀(cm/s²))	4.831±0.029	4.8285700±0.0033732	4.438
Metallicity (dex)	-0.29±0.12 [Fe/H]	---	---
γ (km/s)	37.22864±0.00082	---	---
ρ_✶ (g/cm³)	8.98+0.83-0.81	8.706932±0.329192	---
M_✶ (M_⦿)	0.3917±0.0095	0.3891350±0.0203323	---
CAII LOG RHK	-5.320±0.142	---	---
Sp. T	M2 V	---	---
L_✶ (log₁₀(L_⦿))	---	-1.64675+0.09285-0.11825	---

TOI-269 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Cointepas et al. 2021	Kokori et al. 2023	ExoFOP
T_eq (K)	531±25	---	533.842951113194
S (S_⨁)	19.0+4.0-3.3	---	19.1944225996782
P (days)	3.6977104±0.0000037	3.6977155±0.0000037	3.69771670923474±0.00000224766020
R_p (R_⨁)	2.77±0.12	---	2.94204395869894±0.21325822000000
R_p (R_Jup)	0.247±0.011	---	0.262472033580978±0.019025656811060
δ (%)	---	---	0.475567072943792±0.012293876000000
T₁₄ (hours)	---	---	0.930826340882136±0.072568740000000
T_C (days)	2458381.84668±0.00033 (BJD-TDB)	2458747.91977±0.00036 (BJD-TDB)	2458381.84554900±0.00024341 (BJD)
a/R_✶	---	18.53+0.66-1.33	---
ω (deg)	74±15	74.0±15.0	---
e	0.425+0.082-0.086	0.425+0.082-0.086	---
i (deg)	88.14+0.78-0.90	88.14+0.78-0.90	---
R_p/R_✶	0.0638+0.0020-0.0021	0.0638±0.0020	---
b	0.55+0.12-0.22	---	---
M_p (M_⨁)	8.80±1.40	---	---
M_p (M_Jup)	0.0277±0.0044	---	---
ρ (g/cm³)	2.28+0.48-0.42	---	---
K (m/s)	7.6±1.2	---	---
a (au)	0.0345±0.0015	---	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 1 Associated Literature Data

Bibliography (4 References)

ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 Reference Overview
TOI-269 b: an eccentric sub-Neptune transiting a M2 dwarf revisited with ExTrA
Cointepas et al. 2021 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-269.json

TOI-269

Catalog Parameters

05h03m23.11s

Dec

dec

-54d10m39.80s

elat

-75.85225

elon

54.15679

glat

-37.32334

glon

261.96005

m_V

sy_vmag

14.370±0.114

m_TESS

sy_tmag

12.2958000±0.0074126

m_J

sy_jmag

10.909±0.026

m_H

sy_hmag

10.304±0.022

m_Ks

sy_kmag

10.100±0.023

sy_kepmag

no_data

m_W1

sy_w1mag

9.928001±0.023000

m_W2

sy_w2mag

9.803001±0.020000

m_W3

sy_w3mag

9.710±0.032

m_W4

sy_w4mag

9.023

sy_icmag

no_data

m_Gaia

sy_gaiamag

13.425800±0.000369

m_B

sy_bmag

15.985±0.032

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

123.6176738±0.0430354

μ_δ

sy_pmdec

-120.7500000±0.0430268

μ_α

sy_pmra

26.4720000±0.0432139

sy_plx

17.508000±0.023093

Distance

sy_dist

57.0225+0.0757-0.0756

Set Parameters

R_✶

st_rad

0.39792400598526±0.01194700000000

T_eff

st_teff

3607