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LTT 3780 Overview

LTT 3780 0.38 R⦿ 3358.00 K
LTT 3780 b
0.118 RJup
LTT 3780 c
0.213 RJup
LP 729-55 0.17 R⦿ 2978.00 K
Architecture
LTT 3780
LTT 3780
LTT 3780 b
LTT 3780 c
LP 729-55
Other Data
Bibliography 10
Exoplanet Archive Notes 1
LTT 3780 Nearby Data 3
LP 729-55 Nearby Data 3
Discovery Data
Host Planet Method Year Reference Disposition
LTT 3780 LTT 3780 b Transit 2020 Cloutier et al. 2020 Confirmed Planet
LTT 3780 LTT 3780 c Transit 2020 Cloutier et al. 2020 Confirmed Planet
LTT 3780
  • This reference contains discussion regarding the stellar multiplicity of this system. (Cloutier et al. 2020)
RA
10h18m34.78s
Dec
-11d43m04.08s
Distance
21.9814+0.0403-0.0402
pc
Parallax
45.4644000±0.0826889 mas
Ecliptic Latitude
-20.67837 deg
Ecliptic Longitude
161.03995 deg
Galactic Latitude
36.30503 deg
Galactic Longitude
254.20063 deg
Total Proper Motion
421.9000381±0.1111113 mas/yr
Proper Motion (RA)
-341.409000±0.114169 mas/yr
Proper Motion (Dec)
-247.870000±0.105066 mas/yr
Photometry
mV
13.140±0.035
mTESS
10.5848000±0.0073852
mJ
9.007±0.030
mH
8.439±0.065
mKs
8.204001±0.021000
mW1
---
mW2
---
mW3
---
mW4
---
mGaia
11.846500±0.000477
mB
14.678±0.043
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Bonfanti et al. 2024
 Nowak et al. 2020
 Cloutier et al. 2020
 TICv8 Gaia DR2 ExoFOP-TESS TOI
 ExoFOP-TESS TOI
 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3358±92 3360±51 3331±157 3331.0±157.0
3857.6133+103.1300-183.0000
 3329±72 3329±72
L✶
(log10(L⦿))
-1.78+0.05-0.06
-1.78+0.01-0.01
 ---
-1.80894+0.09681-0.12477
 --- --- ---
Metallicity
(dex)
0.060±0.110 [Fe/H] 0.090±0.160 [Fe/H]
0.28+0.11-0.13
[Fe/H] 		--- --- --- ---
γ
(km/s)
0.27±0.34 --- --- --- --- --- ---
Age
(Gyr)
3.10+6.20-0.98
 --- --- --- --- --- ---
ρ✶
(g/cm3)
9.78±1.18 9.60±1.00 --- 9.74546660±0.32807790 --- --- ---
M✶
(M⦿)
0.381+0.024-0.034
 0.379±0.016 0.401±0.012 0.3620230±0.0202675 --- --- ---
R✶
(R⦿)
0.380±0.012 0.382±0.012 0.374±0.011 0.3741390±0.0111845 --- 0.374139010906219±0.011184500000000 0.374139010906219±0.011184500000000
log g
(log10(cm/s2))
4.85±0.11 4.81±0.04 4.896±0.029 4.8507400±0.0016343 --- 4.949570±0.423263 4.949570±0.423263
v sin i
(km/s)
--- <3.0 <1.3 --- --- --- ---
Sp. T
--- M3.5 V M4 V --- --- --- ---
Prot
(days)
--- --- 104±15 --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Source Bonfanti et al. 2024
 Luque & Pallé 2022
 Nowak et al. 2020
 Cloutier et al. 2020
 ExoFOP-TESS TOI
 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
6.79+0.29-0.25
 ---
6.77+0.22-0.21
7.03+0.23-0.21
 ---
Teq
(K)
903±26 ---
1000.0+98.0-100.0
 892±44 830.890481743322
b
0.462+0.063-0.094
0.51+0.09-0.11
0.518+0.059-0.089
0.35+0.20-0.23
 ---
S
(S⨁)
111+13-12
 ---
116+11-10
106+22-19
 112.640906660106
ω
(deg)
90
-11.50+115.60-92.70
 251±66 --- ---
Mp
(M⨁)
2.46±0.19 2.47±0.24
2.34+0.24-0.23
2.62+0.48-0.46
 ---
Mp
(MJup)
0.00774±0.00060 0.00777±0.00076
0.00736+0.00076-0.00072
0.00824+0.00151-0.00145
 ---
e
0
0.032+0.027-0.018
0.0640+0.0750-0.0460
 0 ---
i
(deg)
86.10+0.92-0.68
 ---
85.90+0.59-0.50
87.1+1.8-1.7
 ---
P
(days)
0.76837931+0.00000039-0.00000042
 0.76837883±0.00000052 0.7683770±0.0000014
0.768448+0.000055-0.000053
 0.768390381110759±0.000009604465000
ρ
(g/cm3)
5.8+1.0-0.8
5.91+1.08-0.89
5.24+0.94-0.81
6.1+1.8-1.5
 ---
Rp
(R⨁)
1.325+0.057-0.058
 1.32±0.06 1.35±0.06
1.332+0.072-0.075
 1.14064469559338±1.51436340000000
Rp
(RJup)
0.1182+0.0051-0.0052
 0.118±0.005 0.120±0.005
0.1188+0.0064-0.0067
 0.101761678971700±0.135102686009621
Rp/R✶
0.03212+0.00068-0.00072
 0.0317±0.0011
0.0324+0.0011-0.0010
0.0330+0.0014-0.0016
 ---
K
(m/s)
3.24±0.20 3.31±0.28 --- 3.41±0.63 ---
a
(au)
0.01195+0.00028-0.00029
 ---
0.01203+0.00054-0.00053
 0.01211±0.00012 ---
δ
(%)
0.1032+0.0044-0.0045
 --- ---
0.1087+0.0098-0.0103
 0.0903993321409456±0.0092978640000000
T14
(hours)
0.7883±0.0120 ---
0.818+0.044-0.022
0.805+0.049-0.072
 1.0241241543017±0.4534768500000
TC
(days)
2459606.58098+0.00032-0.00040
 2458543.91229±0.00037
2458543.91281+0.00048-0.00052
 2458543.9115±0.0011 2459988.46815800±0.00104875
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Source Bonfanti et al. 2024
 Kokori et al. 2023
 Luque & Pallé 2022
 Nowak et al. 2020
 Cloutier et al. 2020
 ExoFOP-TESS TOI
 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
43.0+1.8-1.6
 51.2±0.9 ---
42.9+1.4-1.3
44.6+1.5-1.3
 ---
i
(deg)
88.958+0.074-0.068
89.18+0.47-0.22
 ---
89.08+0.11-0.13
89.18+0.47-0.22
 ---
P
(days)
12.252284±0.000013 12.252208±0.000027 12.252196±0.000035
12.252131+0.000072-0.000064
12.2519+0.0028-0.0030
 12.2534308202424±0.0015667251000
Rp/R✶
0.0579+0.0012-0.0011
 0.0570±0.0035 0.0560±0.0027 0.0580±0.0016
0.0570+0.0035-0.0033
 ---
TC
(days)
2459600.54227+0.00066-0.00065
 2458608.11003±0.00045 2458546.8490±0.0010
2458546.8492+0.0016-0.0017
 2458546.8484±0.0014 2459992.612785±0.001068
Teq
(K)
359±10 --- ---
397+39-40
 353±18 330.104812693489
b
0.794+0.023-0.027
 ---
0.810+0.031-0.035
0.756+0.034-0.031
0.650+0.150-0.360
 ---
S
(S⨁)
2.76+0.33-0.31
 --- ---
2.88+0.28-0.25
2.63+0.56-0.48
 2.80626336081376
ω
(deg)
-66.0+110.0-50.0
 ---
1.900+127.700-119.900
 250±36
124+87-147
 ---
Mp
(M⨁)
8.04+0.50-0.48
 ---
7.02+0.69-0.67
6.29+0.63-0.61
8.60+1.60-1.30
 ---
Mp
(MJup)
0.0253+0.0016-0.0015
 ---
0.0221+0.0022-0.0021
0.0198+0.0020-0.0019
0.0271+0.0050-0.0041
 ---
e
0.024+0.032-0.017
 ---
0.030+0.029-0.017
0.115+0.070-0.065
0.060+0.150-0.140
 ---
ρ
(g/cm3)
3.24+0.55-0.43
 ---
3.03+0.66-0.54
2.45+0.44-0.37
3.9+1.0-0.9
 ---
Rp
(R⨁)
2.39+0.10-0.11
 ---
2.33+0.14-0.13
 2.42±0.10
2.30+0.16-0.15
 2.29679436951479±0.39371803000000
Rp
(RJup)
0.213+0.009-0.010
 ---
0.208+0.012-0.012
 0.216±0.009
0.205+0.014-0.013
 0.204906621840717±0.035125230432416
K
(m/s)
4.22±0.16 --- 3.73±0.30 ---
4.44+0.82-0.68
 ---
a
(au)
0.0757±0.0018 --- --- 0.0762±0.0034
0.07673+0.00075-0.00077
 ---
δ
(%)
0.3355+0.0140-0.0130
 --- --- ---
0.324+0.041-0.037
 0.372963470906205±0.032846353000000
T14
(hours)
1.540+0.028-0.027
 --- --- 1.79±0.21
1.392+0.050-0.049
 1.36994903785515±0.13741581000000
Print
RA
10h18m35.84s
Dec
-11d43m06.05s
Distance
22.0671+0.0531-0.0529
pc
Parallax
45.287900±0.108062 mas
Ecliptic Latitude
-20.6772 deg
Ecliptic Longitude
161.04447 deg
Galactic Latitude
36.30761 deg
Galactic Longitude
254.20504 deg
Total Proper Motion
422.1985566±0.1445139 mas/yr
Proper Motion (RA)
-341.379000±0.149318 mas/yr
Proper Motion (Dec)
-248.419000±0.134976 mas/yr
Photometry
mV
15.96±0.20
mTESS
12.9999000±0.0076676
mJ
11.079±0.023
mH
10.576±0.023
mKs
10.223±0.021
mW1
---
mW2
---
mW3
---
mW4
---
mGaia
14.485500±0.000764
mB
---
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source TICv8
Teff
(K)
2978.0±157.0
L✶
(log10(L⦿))
-2.6734+0.1048-0.1383
ρ✶
(g/cm3)
38.9695727±1.9605045
M✶
(M⦿)
0.1431590±0.0200442
R✶
(R⦿)
0.1730160±0.0052017
log g
(log10(cm/s2))
5.1177100±0.0350876
Print
Known Objects
2 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
Known Objects
2 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
2 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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