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TOI-2540 Overview

  • Star: TOI-2540
    • Stellar Radius: 0.63 Solar Radius
    • Stellar Effective Temperature: 4039.00 K
    • Planet: TOI-2540 b
      • Disposition Confirmed
      • Planet Radius 0.204 Jupiter Radius
    • Planet: TOI-2540.02
      • Disposition Candidate
      • Planet Radius 0.204 Jupiter Radius

TOI-2540 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
TOI-2540
TOI-2540 b 12.72 d 2.29 R⨁ Transit 2026 Collier et al. 2026 Confirmed Planet
TOI-2540.02 22.08 d 2.29 R⨁ Transit 2021 TESS Project Candidate Planet
RA
05h30m14.05s
Dec
-42d41m52.61s
Distance
19.1419±0.0111 pc
Parallax
52.2124000±0.0300901 mas
Ecliptic Latitude
-65.79088 deg
Ecliptic Longitude
76.57436 deg
Galactic Latitude
-32.42219 deg
Galactic Longitude
248.1886 deg
Total Proper Motion
147.5962404±0.0530956 mas/yr
Proper Motion (RA)
33.6977000±0.0481636 mas/yr
Proper Motion (Dec)
-143.6980000±0.0533536 mas/yr
Photometry
mV 9.914±0.060
mTESS 8.2731±0.0060
mJ 7.149±0.030
mH 6.470±0.047
mKs 6.269±0.021
mW1 6.247±0.095
mW2 6.177±0.027
mW3 6.186±0.015
mW4 6.036±0.038
mGaia 9.097430±0.000516
mB 11.030±0.058
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source TICv8 Turnbull 2015 Nesterov et al. 1995 ExoFOP ExoFOP
Sp. T
--- M0V M0 --- ---
Teff
(K)
4023.000+166.681-83.389
 4039 --- 4036.3±69.7 4036.3±69.7
L✶
(log10(L⦿))
-0.9866019+0.0352368-0.0363777
-1.000 +0.279-1.000
--- --- ---
M✶
(M⦿)
0.6300000+0.0870424-0.0799322
 0.55 --- --- ---
R✶
(R⦿)
0.6610760+0.0674749-0.0675101
 0.63 --- 0.661076009273529±0.067492500000000 0.66±0.07
ρ✶
(g/cm3)
3.074338+1.437529-0.790611
 --- --- --- ---
log g
(log10(cm/s2))
4.596900+0.080344-0.160742
 --- --- 4.65±0.07 4.65±0.07
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Collier et al. 2026 ExoFOP
a/R✶
30.71+2.45-3.74
 ---
e
0 ---
P
(days)
12.718739+0.000029-0.000031
 12.7187254998559±0.0000407895750
Rp
(R⨁)
2.29+0.26-0.25
 2.59246329667352±0.29727760000000
Rp
(RJup)
0.204+0.023-0.022
 0.231284482153986±0.026521376738565
Rp/R✶
0.0316+0.0016-0.0013
 ---
TC
(days)
2458480.94373+0.00105-0.00106
(BJD)
2458480.94380400±0.00165818
(BJD)
Teq
(K)
--- 477.245330339885
S
(S⨁)
--- 12.259923280004
δ
(%)
--- 0.114417890728516±0.008733975000000
T14
(hours)
--- 3.15825622516159±0.13098216000000
Print
Status
Candidate Planet
Detected By
Transit
Tools
Transit Prediction Service
TOI
Source ExoFOP
Teq
(K)
435
S
(S⨁)
5.94816
P
(days)
22.0819969±0.0000818
Rp
(R⨁)
2.287290±0.247107
Rp
(RJup)
0.2040587±0.0220454
δ
(%)
0.101900000±0.000123485
T14
(hours)
3.073±0.771
TC
(days)
2459223.1455970±0.0021356
(BJD)
Print
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     111 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
2 SuperWASP Time Series
1 Associated Literature Data
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  • Candidate
  • False Positive Planet
  • Controversial
  • False Positive
  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
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