TOI-4638 Overview

TOI-4638 0.89 R_⦿ 5700.00 K

TOI-4638.01

0.262 R_Jup

Overview Parameters Nearby Data Bibliography 3 Legend Expand All

TOI-4638 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-4638
TOI-4638.01	10.28 d	2.93 R_⨁	Transit	2024	Crossfield et al. 2025	Confirmed Planet

TOI-4638 Stellar Parameters (3 Solutions)

RA: 00h51m16.96s

Dec: +12d47m16.75s

Distance: 168.248+1.761-1.724
pc

Parallax: 5.9155600±0.0610885 mas

Ecliptic Latitude: 6.71909 deg

Ecliptic Longitude: 16.76832 deg

Galactic Latitude: -50.08374 deg

Galactic Longitude: 122.87293 deg

Total Proper Motion: 14.3398811±0.0697445 mas/yr

Proper Motion (RA): 5.33979±0.12585 mas/yr

Proper Motion (Dec): -13.3086000±0.0556566 mas/yr

Photometry: m_V
11.657±0.028; m_TESS
10.7434±0.0061; m_J
10.103±0.022; m_H
9.771±0.022; m_Ks
9.696±0.018; m_W1
9.650±0.022; m_W2
9.699±0.020; m_W3
9.719±0.050; m_W4
8.531; m_Gaia
11.209700±0.000677; m_B
12.063±0.391; m_g
15.1939000±0.0116207; m_i
15.0995000±0.0133359; m_r
14.6637000±0.0115353; m_u
14.444700±0.007911; m_z
13.3852000±0.0134239

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

Source	Crossfield et al. 2025	TICv8	ExoFOP
T_eff (K)	5700±131	5700.000+132.448-128.792	5700.00±130.62
L_✶ (log₁₀(L_⦿))	---	-0.1185840+0.0199369-0.0172511	---
ρ_✶ (g/cm³)	---	1.998936+0.440251-0.413526	---
M_✶ (M_⦿)	1.02±0.13	1.015000+0.174592-0.087239	---
R_✶ (R_⦿)	0.895±0.044	0.8945630+0.0432633-0.0447116	0.894563019275665±0.043987400000000
log g (log₁₀(cm/s²))	---	4.5413100+0.0817671-0.0771303	4.5413100±0.0794487

TOI-4638.01 Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Transit

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

Source	Crossfield et al. 2025	ExoFOP
T_eq (K)	---	779.830052136514
S (S_⨁)	87.810+15.300-12.970	87.4018995879787
P (days)	10.283918787+0.000092782-0.000098731	10.2829582517974±0.0020126419000
R_p (R_⨁)	2.933+0.376-0.245	2.71867163484988±1.23063960000000
R_p (R_Jup)	0.2617+0.0335-0.0219	0.242544055308248±0.109790500397596
δ (%)	---	0.0865124645705015±0.0097147950000000
T₁₄ (hours)	3.7225+0.2108-0.1752	3.53489155847534±0.61531710000000
T_C (days)	2459449.3508+0.0039-0.0032 (BJD-TDB)	2459449.35356300±0.00546264 (BJD)
R_p/R_✶	0.0299+0.0037-0.0019	---
a (au)	0.093013+0.003839-0.004185	---

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 (3 References)

OrCAS: Origins, Compositions, and Atmospheres of Sub-Neptunes. I. Survey Definition
Crossfield 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-4638.json

TOI-4638

Catalog Parameters

00h51m16.96s

Dec

dec

+12d47m16.75s

elat

6.71909

elon

16.76832

glat

-50.08374

glon

122.87293

m_V

sy_vmag

11.657±0.028

m_TESS

sy_tmag

10.7434±0.0061

m_J

sy_jmag

10.103±0.022

m_H

sy_hmag

9.771±0.022

m_Ks

sy_kmag

9.696±0.018

sy_kepmag

no_data

m_W1

sy_w1mag

9.650±0.022

m_W2

sy_w2mag

9.699±0.020

m_W3

sy_w3mag

9.719±0.050

m_W4

sy_w4mag

8.531

sy_icmag

no_data

m_Gaia

sy_gaiamag

11.209700±0.000677

m_B

sy_bmag

12.063±0.391

m_g

sy_gmag

15.1939000±0.0116207

m_i

sy_imag

15.0995000±0.0133359

m_r

sy_rmag

14.6637000±0.0115353

m_u

sy_umag

14.444700±0.007911

m_z

sy_zmag

13.3852000±0.0134239

sy_pm

14.3398811±0.0697445

μ_δ

sy_pmdec

-13.3086000±0.0556566

μ_α

sy_pmra

5.33979±0.12585

sy_plx

5.9155600±0.0610885

Distance

sy_dist

168.248+1.761-1.724

Set Parameters

R_✶

st_rad

0.8945630+0.0432633-0.0447116

T_eff

st_teff

5700.000+132.448-128.792