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TOI-4640 Overview

  • Star: TOI-4640
    • Stellar Radius: 1.07 Solar Radius
    • Stellar Effective Temperature: 5743.01 K
    • Planet: TOI-4640 b
      • Disposition Confirmed
      • Planet Radius 0.254 Jupiter Radius

TOI-4640 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
TOI-4640
TOI-4640 b 2.69 d 2.84 R⨁ Transit 2026 Lafarga et al. 2026 Confirmed Planet
RA
02h32m49.28s
Dec
+10d04m20.88s
Distance
245.089+2.188-2.150
pc
Parallax
4.0515500±0.0358383 mas
Ecliptic Latitude
-4.68998 deg
Ecliptic Longitude
39.07423 deg
Galactic Latitude
-45.41198 deg
Galactic Longitude
159.83046 deg
Total Proper Motion
49.1337239±0.0639712 mas/yr
Proper Motion (RA)
36.3633000±0.0627762 mas/yr
Proper Motion (Dec)
-33.0429000±0.0653893 mas/yr
Photometry
mV 11.630±0.027
mTESS 11.0771±0.0079
mJ 10.432±0.021
mH 10.169±0.025
mKs 10.063±0.022
mW1 10.060±0.023
mW2 10.107±0.020
mW3 10.026±0.059
mW4 8.557
mGaia 11.525800±0.000401
mB 12.467±0.368
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Lafarga et al. 2026 TICv8 ExoFOP
Teff
(K)
5743.01
5978.000+126.639-118.937
 5978.000±122.788
ρ✶
(g/cm3)
1.58289247290387+0.60292059391902-0.85848607768501
1.276099+0.282517-0.243629
 ---
R✶
(R⦿)
1.06715
1.0671500+0.0481317-0.0496523
 1.06714999675751±0.04889200000000
log g
(log10(cm/s2))
4.3985
4.4230100+0.0792184-0.0743038
 4.4230100±0.0767611
L✶
(log10(L⦿))
---
0.11736776+0.01468226-0.01910281
 ---
M✶
(M⦿)
---
1.100000+0.147428-0.137902
 ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Lafarga et al. 2026 ExoFOP
Teq
(K)
--- 1378.85646585696
S
(S⨁)
--- 854.274104189157
P
(days)
2.685660152375885+0.000352427900565-0.000357715137073
 2.685722911326±0.000356904230
Rp
(R⨁)
2.843265171637852+0.269120404373475-0.259313522132718
 2.86223251836042±1.25948440000000
Rp
(RJup)
0.2536595652839203+0.0240093556743723-0.0231344427359678
 0.255351721531684±0.112363865520796
δ
(%)
--- 0.0632809774720648±0.0067051155000000
T14
(hours)
2.2493108375194515+0.1445814423646968-0.1137692221293912
 2.2391181880052±0.5002147600000
TC
(days)
2459474.61326241+0.00250231-0.00207187
(BJD)
2459447.75512600±0.00379042
(BJD)
a/R✶
8.4509066420681798+0.9596369788884028-1.9382566588577603
 ---
b
0.4198682777348145+0.3098530381411030-0.2784123846215047
 ---
i
(deg)
87.173930036449306+1.958068349595337-3.591452595162082
 ---
Rp/R✶
0.0244434292367002+0.0017027402563586-0.0016971667469557
 ---
Print
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
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  • Kepler | K2
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