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LHS 3844 Overview

LHS 3844 0.19 R⦿ 3756.29 K
LHS 3844 b
0.115 RJup

LHS 3844 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
LHS 3844
LHS 3844 b 0.46 d 1.29 R⨁ Transit 2019 Vanderspek et al. 2019 Confirmed Planet
RA
22h41m59.09s
Dec
-69d10m19.59s
Distance
14.8846±0.0113 pc
Parallax
67.1548000±0.0505991 mas
Ecliptic Latitude
-54.1259 deg
Ecliptic Longitude
304.88165 deg
Galactic Latitude
-43.90616 deg
Galactic Longitude
318.24947 deg
Total Proper Motion
800.1786051±0.0857318 mas/yr
Proper Motion (RA)
334.3570000±0.0828197 mas/yr
Proper Motion (Dec)
-726.9740000±0.0863352 mas/yr
Photometry
mV
15.240±0.032
mTESS
11.9238000±0.0076985
mJ
10.046±0.023
mH
9.477±0.023
mKs
9.145001±0.023000
mW1
8.944±0.023
mW2
8.757±0.020
mW3
8.519±0.022
mW4
8.658±0.334
mIc
11.88±0.02
mGaia
13.392500±0.000738
mB
16.942±0.041
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Nagel et al. 2026 TICv8 Vanderspek et al. 2019 Gaia DR2 ExoFOP
Teff
(K)
3080±50 3004.0±157.0 3036±77
3756.290+327.230-214.623
 3043±63
L✶
(log10(L⦿))
-2.57+0.06-0.07
-2.5833+0.1043-0.1375
-2.57+0.06-0.07
 --- ---
ρ✶
(g/cm3)
31.888+0.943-1.035
 33.1727899±1.2167816 31.73±0.39 --- ---
M✶
(M⦿)
0.151±0.014 0.1579090±0.0200668 0.151±0.014 --- ---
R✶
(R⦿)
0.189±0.006 0.1886240±0.0057103 0.189±0.006 --- 0.18862399458885193±0.00571031000000000
log g
(log10(cm/s2))
5.07±0.04 5.0852800±0.0291861 5.06±0.01 --- 5.097070±0.426694
Sp. T
M4.5-M5.0 --- M5 --- ---
Metallicity
(dex)
0.22±0.10 [Fe/H] --- --- --- ---
Age
(Gyr)
7.8±1.6 --- --- --- ---
Prot
(days)
130.0+16.9-13.4
 --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Nagel et al. 2026 Kokori et al. 2023 Patel & Espinoza 2022 Vanderspek et al. 2019 ExoFOP
Teq
(K)
816±14 --- --- 805±20 723.3722133357637
S
(S⨁)
73.67+5.14-4.82
 --- --- 70.1±0.5 64.70953679523667
P
(days)
0.462929709+0.000000044-0.000000042
 0.46292964±0.00000033 0.4629296±0.0000001 0.46292913±0.00000190 0.4629303673466454±0.0000022194422000
Rp
(R⨁)
1.286+0.043-0.044
 --- --- 1.303±0.022 1.3560230560637±0.1167263760000
Rp
(RJup)
0.1147+0.0038-0.0039
 --- --- 0.1162±0.0020 0.12097648237218±0.01041364769234
δ
(%)
--- --- --- --- 0.450732687749478±0.011595801000000
T14
(hours)
0.5242+0.0043-0.0038
 --- --- 0.5212±0.0047 0.5409433291326444±0.0503066400000000
TC
(days)
2460178.83309+0.00010-0.00011
(BJD)
2458828.93037±0.00025
(BJD-TDB)
2459085.39295±0.00010
(BJD)
2458325.72558±0.00025
(BJD)
2458325.72412500±0.00011822
(BJD)
a/R✶
7.122+0.070-0.078
 7.11±0.03
6.75+0.37-0.64
 7.109±0.029 ---
i
(deg)
88.90+0.74-0.65
 88.5±0.5 --- 88.50±0.51 ---
Rp/R✶
0.06262+0.00066-0.00073
 0.0635±0.0009
0.0639+0.0015-0.0013
 0.0635±0.0009 ---
b
0.137+0.078-0.092
 ---
0.370+0.190-0.200
 0.186±0.064 ---
ω
(deg)
90 --- --- --- ---
Mp
(M⨁)
2.37±0.25 --- --- --- ---
Mp
(MJup)
0.00746±0.00079 --- --- --- ---
e
0 --- --- --- ---
ρ
(g/cm3)
6.15+0.60-0.61
 --- --- --- ---
K
(m/s)
6.95+0.55-0.60
 --- --- --- ---
a
(au)
0.00624+0.00019-0.00020
 --- --- 0.00622±0.00017 ---
Print
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
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