TOI-5261 Overview

TOI-5261 1.04 R_⦿ 5686.00 K

TOI-5261 b

1.035 R_Jup

Overview Parameters Nearby Data Bibliography 3 Legend Expand All

TOI-5261 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-5261
TOI-5261 b	4.15 d	11.6 R_⨁	Transit	2025	Schulte et al. 2025	Confirmed Planet

TOI-5261 Stellar Parameters (3 Solutions)

RA: 20h21m50.05s

Dec: +19d26m09.05s

Distance: 377.054+7.804-7.498
pc

Parallax: 2.6249700±0.0533785 mas

Ecliptic Latitude: 37.64978 deg

Ecliptic Longitude: 313.70047 deg

Galactic Latitude: -9.83355 deg

Galactic Longitude: 60.85363 deg

Total Proper Motion: 26.6076039±0.0734878 mas/yr

Proper Motion (RA): -17.4495000±0.0756169 mas/yr

Proper Motion (Dec): -20.0868000±0.0718393 mas/yr

Photometry: m_V
12.680±0.114; m_TESS
12.1444±0.0063; m_J
11.525±0.024; m_H
11.234±0.030; m_Ks
11.156±0.020; m_W1
11.110±0.022; m_W2
11.168±0.021; m_W3
11.362±0.222; m_W4
9.074; m_Gaia
12.602300±0.000783; m_B
13.393±0.005

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

Source	Schulte et al. 2025	TICv8	ExoFOP
T_eff (K)	5790+140-120	5686.0000+97.1745-150.1110	5686.0±123.6
R_✶ (R_⦿)	1.021+0.033-0.032	1.0402400+0.0548603-0.0548884	1.04±0.05
log g (log₁₀(cm/s²))	4.436+0.031-0.033	4.4089800+0.0717513-0.0889173	4.41±0.08
L_✶ (log₁₀(L_⦿))	0.02078+0.04704-0.03941	0.0081891006+0.0225265257-0.0192039061	---
ρ_✶ (g/cm³)	1.37+0.14-0.13	1.267493+0.320893-0.249642	---
M_✶ (M_⦿)	1.037+0.053-0.057	1.012000+0.149028-0.109360	---
Metallicity (dex)	0.254+0.076-0.077 [Fe/H]	---	---
v sin i (km/s)	5.73±0.11	---	---
Age (Gyr)	4.2+3.4-2.3	---	---

TOI-5261 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Schulte et al. 2025	ExoFOP
T_eq (K)	1244+30-25	990
S (S_⨁)	---	159.592
P (days)	4.1509768±0.0000068	4.1509756±0.0000107
R_p (R_⨁)	11.60+0.47-0.46	10.880400±0.649425
R_p (R_Jup)	1.035+0.042-0.041	0.97068594±0.05793792
δ (%)	1.153±0.023	0.978000000±0.000705147
T₁₄ (hours)	2.3592+0.0336-0.0312	2.029±0.178
T_C (days)	2459716.93100±0.00036 (BJD-TDB)	2459442.9682770±0.0014521 (BJD)
a/R_✶	10.81+0.36-0.35	---
b	0.666+0.028-0.032	---
ω (deg)	32.4+5.4-4.8	---
M_p (M_⨁)	3652+137-146	---
M_p (M_Jup)	11.49+0.43-0.46	---
e	0.1585+0.0100-0.0078	---
i (deg)	86.07+0.29-0.30	---
ρ (g/cm³)	12.9+1.7-1.5	---
R_p/R_✶	0.1041±0.0013	---
K (m/s)	1424+19-21	---
a (au)	0.05134+0.00086-0.00096	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 1 Associated Literature Data

Bibliography (3 References)

Migration and Evolution of giant ExoPlanets (MEEP). II. Super-Jupiters and Lithium-rich host stars
Schulte et al. 2025 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

External Link
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Debug Info

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/39/TOI-5261.json

TOI-5261

Catalog Parameters

20h21m50.05s

Dec

dec

+19d26m09.05s

elat

37.64978

elon

313.70047

glat

-9.83355

glon

60.85363

m_V

sy_vmag

12.680±0.114

m_TESS

sy_tmag

12.1444±0.0063

m_J

sy_jmag

11.525±0.024

m_H

sy_hmag

11.234±0.030

m_Ks

sy_kmag

11.156±0.020

sy_kepmag

no_data

m_W1

sy_w1mag

11.110±0.022

m_W2

sy_w2mag

11.168±0.021

m_W3

sy_w3mag

11.362±0.222

m_W4

sy_w4mag

9.074

sy_icmag

no_data

m_Gaia

sy_gaiamag

12.602300±0.000783

m_B

sy_bmag

13.393±0.005

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

26.6076039±0.0734878

μ_δ

sy_pmdec

-20.0868000±0.0718393

μ_α

sy_pmra

-17.4495000±0.0756169

sy_plx

2.6249700±0.0533785

Distance

sy_dist

377.054+7.804-7.498

Set Parameters

R_✶

st_rad

1.04±0.05

T_eff

st_teff

5686.0±123.6