LTT 3780 Overview

LTT 3780 0.37 R⦿ 3857.61 K
LTT 3780 b
0.119 RJup
LTT 3780 c
0.205 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 4
Exoplanet Archive Notes 1
LTT 3780 Nearby Data 3
LP 729-55 Nearby Data 0
Discovery Data
Host Planet Method Year Reference Detection
LTT 3780 LTT 3780 b Transit 2020 Cloutier et al. 2020 Transit, Radial Velocity
LTT 3780 LTT 3780 c Transit 2020 Cloutier et al. 2020 Transit, Radial Velocity
LTT 3780
  • This reference contains discussion regarding the stellar multiplicity of this system. (Cloutier et al. 2020)
RA
10h18m34.78s
Dec
-11d43m04.08s
Distance
21.98140±0.04025 pc
Parallax
45.4644000±0.0826889 mas
Ecliptic Latitude
-20.67682 deg
Ecliptic Longitude
161.0448 deg
Galactic Latitude
36.30682 deg
Galactic Longitude
254.2011 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
Source Cloutier et al. 2020 TICv8 (TIC v6) Gaia DR2 ExoFOP-TESS TOI ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3331±157 3331.0±157.0
3857.6133+103.1300-183.0000
3329±72 3329±72
Metallicity
(dex)
0.28+0.11-0.13
[Fe/H]
--- --- --- ---
v sin i
(km/s)
<1.3 --- --- --- ---
M
(M⦿)
0.401±0.012 0.3620230±0.0202675 --- --- ---
R
(R⦿)
0.374±0.011 0.3741390±0.0111845 --- 0.3±0.054 0.3±0.054
log g
(log10(cm/s2))
4.896±0.029 4.8507400±0.0016343 --- 4.94957±0.423263 4.94957±0.423263
Sp. T
M4 V --- --- --- ---
Prot
(days)
104±15 --- --- --- ---
L
(log10(L⦿))
---
-1.80894+0.09681-0.12477
--- --- ---
ρ
(g/cm3)
--- 9.74546660±0.32807790 --- --- ---
Status
Confirmed
Source Cloutier et al. 2020 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R
7.03+0.23-0.21
---
Teq
(K)
892±44 770.585205
b
0.35+0.20-0.23
---
S
(S)
106+22-19
83.330452
Mp
(M)
2.62+0.48-0.46
---
Mp
(MJup)
0.00824+0.00151-0.00145
---
e
0 ---
i
(deg)
87.1+1.8-1.7
---
P
(days)
0.768448+0.000055-0.000053
0.768418±0.000067
ρ
(g/cm3)
6.1+1.8-1.5
---
Rp
(R)
1.332+0.072-0.075
1.134371±0.573323
Rp
(RJup)
0.1188+0.0064-0.0067
---
Rp/R
0.0330+0.0014-0.0016
---
K
(m/s)
3.41±0.63 ---
a
(au)
0.01211±0.00012 ---
δ
(%)
0.1087+0.0098-0.0103
0.1252849854±0.0105633163
T14
(hours)
0.805+0.049-0.072
0.816472±0.266768
TC
(days)
2458543.9115±0.0011 2458543.911499±0.001189
Status
Confirmed
Source Cloutier et al. 2020 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
353±18 306.14328
S
(S)
2.63+0.56-0.48
2.075964
P
(days)
12.2519+0.0028-0.0030
12.254218±0.002019
Rp
(R)
2.30+0.16-0.15
1.785398±0.730371
δ
(%)
0.324+0.041-0.037
0.3416662354±0.0283469788
T14
(hours)
1.392+0.050-0.049
1.361689±0.33205
TC
(days)
2458546.8484±0.0014 2458546.848389±0.001409
a/R
44.6+1.5-1.3
---
b
0.650+0.150-0.360
---
ω
(deg)
124+87-147
---
Mp
(M)
8.60+1.60-1.30
---
Mp
(MJup)
0.0271+0.0050-0.0041
---
e
0.060+0.150-0.140
---
i
(deg)
89.18+0.47-0.22
---
ρ
(g/cm3)
3.9+1.0-0.9
---
Rp
(RJup)
0.205+0.014-0.013
---
Rp/R
0.0570+0.0035-0.0033
---
K
(m/s)
4.44+0.82-0.68
---
a
(au)
0.07673+0.00075-0.00077
---
RA
10h18m35.84s
Dec
-11d43m06.05s
Distance
22.0671±0.0530 pc
Parallax
45.287900±0.108062 mas
Ecliptic Latitude
-20.67565 deg
Ecliptic Longitude
161.0493 deg
Galactic Latitude
36.30939 deg
Galactic Longitude
254.2055 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
Source TICv8 (TIC v6)
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
Known Objects
2 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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