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TOI-270 Overview

TOI-270 0.38 R⦿ 3886.16 K
TOI-270 b
0.108 RJup
TOI-270 c
0.210 RJup
TOI-270 d
0.190 RJup
Architecture
TOI-270
TOI-270
TOI-270 b
TOI-270 c
TOI-270 d
Other Data
Bibliography 9
Exoplanet Archive Notes 3
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
TOI-270 TOI-270 b Transit 2019 Günther et al. 2019 Confirmed Planet
TOI-270 TOI-270 c Transit 2019 Günther et al. 2019 Confirmed Planet
TOI-270 TOI-270 d Transit 2019 Günther et al. 2019 Confirmed Planet
TOI-270 b TOI-270 c TOI-270 d
RA
04h33m39.86s
Dec
-51d57m26.62s
Distance
22.47930±0.01355 pc
Parallax
44.4565000±0.0265906 mas
Ecliptic Latitude
-71.89822 deg
Ecliptic Longitude
43.14225 deg
Galactic Latitude
-42.01396 deg
Galactic Longitude
259.77379 deg
Total Proper Motion
282.2188579±0.0506032 mas/yr
Proper Motion (RA)
82.9441000±0.0496865 mas/yr
Proper Motion (Dec)
-269.755000±0.050689 mas/yr
Photometry
mV
12.603±0.039
mTESS
10.4981000±0.0073581
mJ
9.099±0.032
mH
8.531±0.073
mKs
8.251±0.029
mW1
---
mW2
---
mW3
---
mW4
---
mGaia
11.630600±0.000476
mB
14.194±0.043
mg
---
mi
---
mr
---
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Mikal-Evans et al. 2023 Van Eylen et al. 2021 TICv8 Günther et al. 2019 Gaia DR2 ExoFOP-TESS TOI ExoFOP-TESS TOI ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
R✶
(R⦿)
0.380 0.378±0.011 0.3743580±0.0114957 0.38±0.02 --- 0.374357998371124±0.011495700000000 0.374357998371124±0.011495700000000 0.374357998371124±0.011495700000000
Sp. T
M3 V M --- M3.0 V --- --- --- ---
Teff
(K)
--- 3506±70 3532.0±157.0
3386+137-131
3886.155+173.572-97.435
 3551±74 3551±74 3551±74
L✶
(log10(L⦿))
---
-1.71+0.04-0.04
-1.70665+0.09358-0.11945
-1.8+0.0-0.1
 --- --- --- ---
Metallicity
(dex)
--- -0.20±0.12 [Fe/H] --- -0.17±0.10 [Fe/H] --- --- --- ---
ρ✶
(g/cm3)
--- 7.20±0.63 9.73511850±0.34589380
10.5+1.4-2.2
 --- --- --- ---
M✶
(M⦿)
--- 0.386±0.008 0.362274±0.020491 0.40±0.02 --- --- --- ---
log g
(log10(cm/s2))
--- 4.872±0.026 4.8505300±0.0020899 --- --- 4.839820±0.382963 4.839820±0.382963 4.839820±0.382963
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Source Van Eylen et al. 2021 Kokori et al. 2023 Günther et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
581±14 ---
528+56-32
 538.859382548355
S
(S⨁)
--- --- --- 19.9261226089862
P
(days)
3.3601538±0.0000048 3.360156±0.000012
3.360080+0.000065-0.000070
 3.36013770677629±0.00000860667700
Rp
(R⨁)
1.206±0.039 ---
1.247+0.089-0.083
 1.18437182711947±0.73766700000000
Rp
(RJup)
0.1076±0.0035 ---
0.1112+0.0079-0.0074
 0.105662759069562±0.065810355084294
δ
(%)
--- ---
0.0901+0.0092-0.0066
 0.0972958936281263±0.0058786633000000
T14
(hours)
--- ---
1.387+0.040-0.034
 1.41324497169953±0.30529118000000
TC
(days)
2458387.09505±0.00074 2458891.1154±0.0013
2458461.01464+0.00084-0.00093
 2458383.73321400±0.00070846
b
0.19±0.12 --- 0.41±0.26 ---
ω
(deg)
0.00±103.00 --- --- ---
Mp
(M⨁)
1.58±0.26 --- --- ---
Mp
(MJup)
0.00497±0.00082 --- --- ---
e
0.034±0.025 --- 0 ---
i
(deg)
89.39±0.37
88.65+0.85-1.40
88.65+0.85-1.40
 ---
ρ
(g/cm3)
4.97±0.94 --- --- ---
Rp/R✶
0.02920±0.00069 0.0300±0.0015
0.0300+0.0015-0.0011
 ---
K
(m/s)
1.27±0.21 --- --- ---
a
(au)
0.03197±0.00022 ---
0.0306+0.0033-0.0057
 ---
a/R✶
---
17.48+1.49-3.24
17.48+1.49-3.24
 ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Atmospheric Spectroscopy
Source Van Eylen et al. 2021 Kokori et al. 2023 Günther et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
488±12 ---
424+20-19
 452.870922604814
b
0.28±0.11 ---
0.22+0.17-0.14
 ---
ω
(deg)
10±90 --- --- ---
Mp
(M⨁)
6.15±0.37 --- --- ---
Mp
(MJup)
0.0194±0.0012 --- --- ---
e
0.027±0.021 --- 0 ---
i
(deg)
89.36±0.24
89.53+0.30-0.42
89.53+0.30-0.42
 ---
P
(days)
5.6605731±0.0000031 5.6605746±0.0000046 5.660172±0.000035 5.66056931603069±0.00000385838100
ρ
(g/cm3)
2.60±0.26 --- --- ---
Rp
(R⨁)
2.355±0.064 --- 2.42±0.13 2.40708723087558±0.11973171000000
Rp
(RJup)
0.2101±0.0057 --- 0.216±0.012 0.214746308812502±0.010681766094931
Rp/R✶
0.05701±0.00071 0.05825±0.00079
0.05825+0.00079-0.00058
 ---
K
(m/s)
4.16±0.24 --- --- ---
a
(au)
0.04526±0.00031 ---
0.0472+0.0030-0.0033
 ---
TC
(days)
2458389.50285±0.00029 2458734.79487±0.00029 2458463.08481±0.00025 2459198.9614540±0.0005277
a/R✶
---
27.01+0.60-1.58
27.01+0.60-1.58
 ---
δ
(%)
--- ---
0.3394+0.0094-0.0068
 0.385610608521182±0.006609782000000
T14
(hours)
--- ---
1.658+0.015-0.012
 1.66317040312773±0.05289611600000
S
(S⨁)
--- --- --- 9.94074078795448
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Atmospheric Spectroscopy
Source Van Eylen et al. 2021 Kokori et al. 2023 Mikal-Evans et al. 2023 Günther et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
---
41.56+0.70-0.83
41.80+0.61-0.59
41.56+0.70-0.83
 ---
i
(deg)
89.73±0.16
89.69+0.16-0.12
 89.68±0.12
89.69+0.16-0.12
 ---
P
(days)
11.379573±0.000013 11.379568±0.000012 11.38014
11.38014+0.00011-0.00010
 11.3795653396307±0.0000151483900
Rp/R✶
0.05163±0.00069 0.05143±0.00074
0.05278+0.00095-0.00118
 0.05143±0.00074 ---
TC
(days)
2458389.68186±0.00059 2458776.58464±0.00037
2459129.34868+0.00691-0.00544
2458469.33834+0.00052-0.00046
 2458389.67933600±0.00058492
b
0.19±0.11 ---
0.233+0.089-0.085
0.224+0.083-0.110
 ---
e
0.032±0.023 --- 0 0 ---
Rp
(R⨁)
2.133±0.058 --- 2.19±0.07 2.13±0.12 2.25394644828569±0.10260336000000
Rp
(RJup)
0.1903±0.0052 --- 0.195±0.006 0.190±0.011 0.201083979766839±0.009153674428220
δ
(%)
--- ---
0.2786+0.0101-0.0124
 0.2645±0.0078 0.31470461739044±0.00761777340000
Teq
(K)
387±10 --- --- 340±14 358.827662999979
S
(S⨁)
--- --- --- --- 3.91800213353912
T14
(hours)
--- --- --- 2.148±0.018 2.23503053745909±0.07614999000000
ω
(deg)
-6.0±90.0 --- --- --- ---
Mp
(M⨁)
4.78±0.43 --- --- --- ---
Mp
(MJup)
0.0150±0.0014 --- --- --- ---
ρ
(g/cm3)
2.72±0.33 --- --- --- ---
K
(m/s)
2.56±0.23 --- --- --- ---
a
(au)
0.07210±0.00050 --- --- 0.0733±0.0042 ---
Print
Known Objects
3 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
4 KELT Time Series
3 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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