LTT 1445 Overview

LTT 1445 B 0.38 R⦿
LTT 1445 C 0.20 R⦿
LTT 1445 A 0.26 R⦿ 3340.00 K
LTT 1445 A c
0.102 RJup
LTT 1445 A b
0.105 RJup
Discovery Data
Host Planet Method Year Reference Disposition
LTT 1445 A LTT 1445 A c Transit 2022 Winters et al. 2021 Confirmed Planet
LTT 1445 A LTT 1445 A b Transit 2019 Winters et al. 2019 Confirmed Planet
LTT 1445
  • This reference contains discussion regarding the stellar multiplicity of this system. (Winters et al. 2019)
LTT 1445 A
  • Some stellar parameter values may be biased due to companion blend (WDS Catalog)
RA
03h01m51.08s
Dec
-16d35m30.67s
Distance
17.94686 pc
Parallax
---
Ecliptic Latitude
-32.25696 deg
Ecliptic Longitude
37.35574 deg
Galactic Latitude
-58.07432 deg
Galactic Longitude
200.48285 deg
Total Proper Motion
432.6014332±8.0000000 mas/yr
Proper Motion (RA)
-338.0±8.0 mas/yr
Proper Motion (Dec)
-270.0±8.0 mas/yr
Photometry
mV
10.6±0.2
mTESS
8.554±0.058
mJ
7.110±0.019
mH
6.56±0.02
mKs
6.285±0.020
mW1
---
mW2
---
mW3
---
mW4
---
mIc
---
mGaia
---
mB
---
mg
---
mi
---
mr
---
mu
---
mz
---
Source TICv8 Winters et al. 2019
ρ
(g/cm3)
9.26434930±2.08007180 ---
M
(M⦿)
0.3741010±0.0562906 0.215±0.014
R
(R⦿)
0.384692±0.047432 0.236±0.027
log g
(log10(cm/s2))
4.8408300±0.0417957 ---
RA
---
Dec
---
Distance
---
Parallax
---
Ecliptic Latitude
---
Ecliptic Longitude
---
Galactic Latitude
---
Galactic Longitude
---
Total Proper Motion
---
Proper Motion (RA)
---
Proper Motion (Dec)
---
Photometry
mV
---
mTESS
---
mJ
---
mH
---
mKs
---
mW1
---
mW2
---
mW3
---
mW4
---
mIc
---
mGaia
---
mB
---
mg
---
mi
---
mr
---
mu
---
mz
---
Source Winters et al. 2019
M
(M⦿)
0.161±0.014
R
(R⦿)
0.197±0.027
RA
03h01m50.99s
Dec
-16d35m40.18s
Distance
6.869290±0.003805 pc
Parallax
145.5470000±0.0800058 mas
Ecliptic Latitude
-32.25934 deg
Ecliptic Longitude
37.35434 deg
Galactic Latitude
-58.07573 deg
Galactic Longitude
200.48712 deg
Total Proper Motion
456.5121099±0.1425326 mas/yr
Proper Motion (RA)
-369.196000±0.140193 mas/yr
Proper Motion (Dec)
-268.510000±0.146854 mas/yr
Photometry
mV
10.590±0.046
mTESS
8.8429400±0.0078993
mJ
7.294±0.024
mH
6.774±0.038
mKs
6.496±0.021
mW1
---
mW2
---
mW3
---
mW4
---
mIc
---
mGaia
10.046900±0.001234
mB
12.304±0.048
mg
15.3786000±0.0119816
mi
9.3169000±0.0008559
mr
10.6150000±0.0007149
mu
15.7983000±0.0069061
mz
11.0226000±0.0083714
Source Oddo et al. 2023 Winters et al. 2021 Winters et al. 2019 TICv8 Gaia DR2 Turnbull 2015 Hawley et al. 1996 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3340±150 3340±150 3337±150 3384.0±157.0
3785.0203+253.8297-222.0703
3697 --- 3562±83
Metallicity
(dex)
-0.34±0.09 [Fe/H] -0.34±0.09 [Fe/H] -0.34±0.08 [Fe/H] --- --- --- --- ---
M
(M⦿)
0.257±0.014 0.257±0.014 0.256±0.014 0.2494390±0.0201557 --- 0.30 --- ---
R
(R⦿)
0.265±0.011
0.265+0.011-0.010
0.276+0.024-0.019
0.2759530±0.0082828 --- 0.24 --- 0.275952994823456±0.008282760000000
Sp. T
M3.0 --- --- --- --- M2.5V M3 ---
L
(log10(L⦿))
--- --- ---
-2.04591+0.09585-0.12318
---
-2.000 +1.000-0.903
--- ---
γ
(km/s)
--- --- -5.4323±0.0021 --- --- --- --- ---
v sin i
(km/s)
--- --- <3.4 --- --- --- --- ---
ρ
(g/cm3)
--- --- 17.3±3.9 16.7349201±0.1518594 --- --- --- ---
log g
(log10(cm/s2))
--- ---
4.967+0.061-0.075
4.9533600±0.0090908 --- --- --- 4.973890±0.060229
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Winters et al. 2021
a/R
21.56+0.78-0.82
Teq
(K)
508±25
b
0.937+0.012-0.016
S
(S)
10.9+2.4-2.0
Mp
(M)
1.54+0.20-0.19
Mp
(MJup)
0.00485+0.00063-0.00060
e
<0.223
i
(deg)
87.43+0.18-0.29
P
(days)
3.1239035+0.0000034-0.0000036
ρ
(g/cm3)
5.57+0.68-0.60
Rp
(R)
1.147+0.055-0.054
Rp
(RJup)
0.1023+0.0049-0.0048
Rp/R
0.0396+0.0018-0.0017
K
(m/s)
1.67+0.21-0.20
a
(au)
0.02661+0.00047-0.00049
δ
(%)
0.157+0.015-0.014
T14
(hours)
0.482±0.026
TC
(days)
2458412.58159+0.00059-0.00057
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Oddo et al. 2023 Kokori et al. 2023 Winters et al. 2021 Winters et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R
29.963±3.128
29.6+2.6-2.5
30.9+1.1-1.2
29.6+2.6-2.5
---
Teq
(K)
555±48 --- 424±21
433+28-27
403.740154057577
b
0.8400±0.2220 ---
0.17+0.15-0.12
0.29+0.23-0.20
---
ω
(deg)
---
221.0+120.0-76.0
---
-139+120-76
---
Mp
(M)
--- ---
2.87+0.26-0.25
2.2+1.7-2.1
---
Mp
(MJup)
--- ---
0.00903+0.00082-0.00079
0.0069+0.0053-0.0066
---
e
---
0.19+0.35-0.14
<0.110
0.19+0.35-0.14
---
i
(deg)
89.203±0.658
89.40+0.41-0.46
89.68+0.22-0.29
89.40+0.41-0.46
---
P
(days)
5.35876±0.00001 5.358777±0.000011
5.3587657+0.0000043-0.0000042
5.35882+0.00030-0.00031
5.35877595248221±0.00000754897100
ρ
(g/cm3)
--- ---
7.1+1.2-1.1
4.4+4.0-4.2
---
Rp
(R)
1.18±0.06 ---
1.305+0.066-0.061
1.38+0.13-0.12
1.44541540651259±0.29846486000000
Rp
(RJup)
0.105±0.005 ---
0.1164+0.0059-0.0054
0.123+0.012-0.011
0.128951547442007±0.026627297163604
Rp/R
0.0408±0.0010 0.0458±0.0012
0.0451+0.0014-0.0013
0.0458+0.0012-0.0011
---
K
(m/s)
--- --- 2.60±0.21
2.1+1.6-2.0
---
a
(au)
0.022±0.003 ---
0.03813+0.00068-0.00070
0.03807+0.00068-0.00071
---
δ
(%)
0.1665±0.0082 --- 0.203±0.012 0.2498±0.0168 0.27084393715462±0.01327808700000
T14
(hours)
1.392±0.133 ---
1.367+0.017-0.016
1.38±0.03 1.369776439469±0.147485540000
TC
(days)
2459152.2189±0.0005 2458905.71556±0.00071
2458412.70851+0.00040-0.00039
2458423.42629+0.00044-0.00045
2459168.2952740±0.0007279
S
(S)
--- ---
5.4+1.2-1.0
--- 6.27955370949943
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     94 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
2 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
Known Objects
2 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
Known Objects
2 Confirmed Planets
2 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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