LHS 1678 Overview

LHS 1678 0.34 R⦿ 3450.00 K
LHS 1678 b
0.061 RJup
LHS 1678 c
0.084 RJup
LHS 1678 d
0.088 RJup
LHS 1678 B
Architecture
LHS 1678
LHS 1678
LHS 1678 b
LHS 1678 c
LHS 1678 d
LHS 1678 B
Discovery Data
Host Planet Method Year Reference Disposition
LHS 1678 LHS 1678 b Transit 2021 Silverstein et al. 2022 Confirmed Planet
LHS 1678 LHS 1678 c Transit 2021 Silverstein et al. 2022 Confirmed Planet
LHS 1678 LHS 1678 d Transit 2024 Silverstein et al. 2024 Confirmed Planet
LHS 1678 LHS 1678 b LHS 1678 c
RA
04h32m42.96s
Dec
-39d47m27.15s
Distance
19.8782±0.0094 pc
Parallax
50.2773000±0.0236008 mas
Ecliptic Latitude
-60.56612 deg
Ecliptic Longitude
54.46078 deg
Galactic Latitude
-42.91686 deg
Galactic Longitude
243.29836 deg
Total Proper Motion
996.9452302±0.0500662 mas/yr
Proper Motion (RA)
239.4100000±0.0414089 mas/yr
Proper Motion (Dec)
-967.7720000±0.0505479 mas/yr
Photometry
mV
12.6±0.2
mTESS
10.4276000±0.0073249
mJ
9.020001±0.032000
mH
8.501±0.047
mKs
8.264±0.029
mGaia
11.540300±0.000509
Source Silverstein et al. 2022 TICv8 ExoFOP-TESS TOI ExoFOP-TESS TOI ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3490±50 3563.0±157.0 3450±111 3450±111 3450±111
R
(R⦿)
0.329±0.010 0.3381900±0.0104196 0.338189989328384±0.010419600000000 0.338189989328384±0.010419600000000 0.338189989328384±0.010419600000000
log g
(log10(cm/s2))
--- 4.8856500±0.0009483 4.890440±0.492117 4.890440±0.492117 4.890440±0.492117
L
(log10(L⦿))
-1.84+0.01-0.01
-1.77972+0.09311-0.11867
--- --- ---
γ
(km/s)
11.4667±0.0259 --- --- --- ---
v sin i
(km/s)
0.53 --- --- --- ---
Age
(Gyr)
7+2-3
--- --- --- ---
ρ
(g/cm3)
13.9±1.5 11.68388±0.33442 --- --- ---
M
(M⦿)
0.345±0.014 0.3205560±0.0204311 --- --- ---
CAII LOG RHK
-6.087±0.548 --- --- --- ---
Sp. T
M2.0 V --- --- --- ---
Prot
(days)
64±22 --- --- --- ---
Status
Confirmed Planet
Detected By
Transit
Source Silverstein et al. 2024 Silverstein et al. 2022 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R
8.08+0.29-0.28
8.16+0.29-0.30
---
b
0.21+0.16-0.14
0.24±0.16 ---
S
(S)
94.30+9.10-8.10
93.20+9.30-8.40
112.397139084467
ω
(deg)
-23.0+140.0-103.0
6.00+126.00-132.00
---
e
0.033+0.035-0.023
<0.25 ---
i
(deg)
88.53+1.02-1.14
87.55+1.60-1.43
---
P
(days)
0.8602325+0.0000013-0.0000011
0.8602322±0.0000068 0.860240578952471±0.000010231897000
Rp
(R)
0.685+0.037-0.035
0.696±0.044 0.971879488175763±0.563762660000000
Rp
(RJup)
0.0611+0.0033-0.0031
0.0621±0.0039 0.0867054297074276±0.0502956223307620
Rp/R
0.01905+0.00087-0.00080
0.0192±0.0010 ---
a
(au)
0.01239+0.00056-0.00057
0.01251+0.00059-0.00056
---
T14
(hours)
0.801+0.046-0.049
0.774+0.068-0.085
0.512434461523044±0.160438200000000
TC
(days)
2458998.15553+0.00070-0.00071
2459121.168814342+0.005220000-0.003850000
2458411.47362700±0.00040477
Mp
(M)
--- <0.35 ---
Mp
(MJup)
--- <0.0011 ---
ρ
(g/cm3)
--- <6.0 ---
Teq
(K)
--- --- 830.440581380087
δ
(%)
--- --- 0.0719535770786458±0.0064780250000000
Status
Confirmed Planet
Detected By
Transit
Source Silverstein et al. 2024 Silverstein et al. 2022 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
--- --- 510.904079282393
S
(S)
13.5+1.3-1.2
13.5+1.3-1.2
16.1019503402701
P
(days)
3.6942840+0.0000048-0.0000044
3.6942470+0.0000024-0.0000021
3.69426040883462±0.00001084446500
Rp
(R)
0.941+0.051-0.050
0.9820+0.0640-0.0630
1.04284069552705±0.43906880000000
Rp
(RJup)
0.0840+0.0045-0.0045
0.08761+0.00571-0.00562
0.0930361754951590±0.0391711621021883
δ
(%)
--- --- 0.0832822592104649±0.0065355650000000
T14
(hours)
1.23+0.10-0.07
1.26+0.10-0.12
1.12785211360107±0.27371076000000
TC
(days)
2458998.45607+0.00064-0.00057
2459120.360616833+0.003990000-0.003100000
2458411.06751700±0.00086534
a/R
21.36+0.78-0.75
21.56+0.76-0.79
---
b
0.44+0.09-0.14
0.39+0.14-0.21
---
ω
(deg)
23.0+109.0-143.0
-1.00±120.00 ---
Mp
(M)
--- <1.4 ---
Mp
(MJup)
--- <0.0044 ---
e
0.039+0.040-0.025
<0.22 ---
i
(deg)
88.82+0.40-0.26
89.09+0.57-0.46
---
ρ
(g/cm3)
--- <10.6 ---
Rp/R
0.0262+0.0011-0.0012
0.0272+0.0015-0.0016
---
a
(au)
0.0327±0.0015
0.0331+0.0016-0.0015
---
Status
Confirmed Planet
Detected By
Transit
Source Silverstein et al. 2024 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
--- 462.952133709335
S
(S)
9.1+0.9-0.8
10.8558881982889
P
(days)
4.9652229+0.0000096-0.0000075
4.96520685527644±0.00001884956300
Rp
(R)
0.9810+0.0700-0.0720
0.856692464166333±2.662542800000000
Rp
(RJup)
0.08752+0.00624-0.00642
0.0764291140376692±0.2375365674418549
δ
(%)
--- 0.0633058084917184±0.0110265656000000
T14
(hours)
1.00+0.11-0.08
0.936152358432916±0.775467460000000
TC
(days)
2459000.45806+0.00090-0.00087
2458414.56293300±0.00136307
a/R
26.01+0.94-0.91
---
b
0.76+0.04-0.06
---
ω
(deg)
23.0+109.0-132.0
---
e
0.036+0.060-0.027
---
i
(deg)
88.31+0.14-0.13
---
Rp/R
0.0273+0.0017-0.0018
---
a
(au)
0.0400+0.0018-0.0017
---
RA
04h32m42.96s
Dec
-39d47m27.15s
Distance
19.8782±0.0094 pc
Parallax
---
Ecliptic Latitude
-60.56612 deg
Ecliptic Longitude
54.4608 deg
Galactic Latitude
-42.91685 deg
Galactic Longitude
243.29836 deg
Total Proper Motion
---
Proper Motion (RA)
---
Proper Motion (Dec)
---
Photometry
mV
---
mTESS
---
mJ
---
mH
---
mKs
---
mGaia
---
Known Objects
3 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
3 Associated Literature Data
Known Objects
3 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
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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