LHS 1478 Overview
-
Star:
LHS 1478
- Stellar Radius: 0.26 Solar Radius
- Stellar Effective Temperature: 3414.00 K
-
Planet:
LHS 1478 b
- Disposition Confirmed
- Planet Radius 0.105 Jupiter Radius
LHS 1478 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| LHS 1478 | ||||||
| LHS 1478 b | 1.95 d | 1.17 R⨁ | Transit | 2021 | Soto et al. 2021 | Confirmed Planet |
- RA
- 02h57m21.33s
- Dec
- +76d33m05.06s
- Distance
- 18.2276±0.0110 pc
- Parallax
- 54.8329000±0.0328048 mas
- Ecliptic Latitude
- 55.85982 deg
- Ecliptic Longitude
- 72.75515 deg
- Galactic Latitude
- 15.4832 deg
- Galactic Longitude
- 130.17165 deg
- Total Proper Motion
- 798.2974712±0.0513015 mas/yr
- Proper Motion (RA)
- 691.0360000±0.0509689 mas/yr
- Proper Motion (Dec)
- -399.685000±0.052283 mas/yr
- Photometry
- mV 13.304±0.040
- mTESS 11.0548000±0.0072747
- mJ 9.615±0.026
- mH 9.028±0.029
- mKs 8.767±0.022
- mGaia 12.259800±0.000277
- mB 14.971±0.085
- mg 15.2522000±0.0045924
- mi 14.8547000±0.0121264
- mr 12.9473000±0.0019177
- mu 16.7301000±0.0090612
- mz 12.3572000±0.0107384
| Source | August et al. 2025 | Soto et al. 2021 | TICv8 | ExoFOP | ||
|---|---|---|---|---|---|---|
|
Teff
(K)
|
3415+82-63
|
3381±54 |
3414.0+157.0-157.0
|
3414±157 | ||
|
R✶
(R⦿)
|
0.2462+0.0080-0.0079
|
0.246±0.008 | 0.2601870±0.0078434 | 0.26018700003624±0.00784341000000 | ||
|
log g
(log10(cm/s2))
|
5.017+0.030-0.029
|
4.87±0.06 | 4.9729200±0.0116277 | 4.9729200±0.0116277 | ||
|
L✶
(log10(L⦿))
|
-2.13+0.03-0.02
|
-2.15+0.01-0.01
|
-2.08168+0.09537-0.12238
|
--- | ||
|
Metallicity
(dex)
|
-0.38+0.20-0.19
[Fe/H]
|
-0.13±0.19 [Fe/H] | --- | --- | ||
|
v sin i
(km/s)
|
--- | <2 | --- | --- | ||
|
ρ✶
(g/cm3)
|
21.7+2.3-2.0
|
22.2±2.5 | 18.5667075±0.0626143 | --- | ||
|
M✶
(M⦿)
|
0.2301±0.0054 | 0.236±0.012 | 0.2319670±0.0201494 | --- | ||
|
Sp. T
|
--- | m3 V | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | August et al. 2025 | Soto et al. 2021 | ExoFOP | ||
|---|---|---|---|---|---|
|
a/R✶
|
16.35+0.55-0.52
|
16.119+0.088-0.094
|
--- | ||
|
Tp
(days)
|
2458786.738+0.019-0.710
(BJD-TDB)
|
--- | --- | ||
|
Teq
(K)
|
597.3+11.0-7.0
|
595±10 | 560.782779062696 | ||
|
b
|
0.647+0.054-0.200
|
0.717+0.012-0.013
|
--- | ||
|
S
(S⨁)
|
20.9+1.5-1.1
|
--- | 23.3722044042806 | ||
|
ω
(deg)
|
86.20+4.50-130.00
|
--- | --- | ||
|
Mp
(M⨁)
|
2.27±0.45 |
2.33+0.20-0.20
|
--- | ||
|
Mp
(MJup)
|
0.00714±0.00142 | 0.00733±0.00063 | --- | ||
|
e
|
0.0380+0.1600-0.0330
|
--- | --- | ||
|
i
(deg)
|
87.69+0.41-0.22
|
87.452+0.052-0.048
|
--- | ||
|
P
(days)
|
1.94953941±0.00000050 |
1.9495378+0.0000040-0.0000041
|
1.94954033783942±0.00000324748400 | ||
|
ρ
(g/cm3)
|
7.7+2.0-1.7
|
6.67+1.03-0.89
|
--- | ||
|
Rp
(R⨁)
|
1.174±0.055 |
1.242+0.051-0.049
|
1.39292173370646±0.07070660600000 | ||
|
Rp
(RJup)
|
0.1047±0.0049 |
0.1108+0.0045-0.0044
|
0.124268367569449±0.006308031737444 | ||
|
Rp/R✶
|
0.0439+0.0010-0.0015
|
0.0462+0.0011-0.0010
|
--- | ||
|
K
(m/s)
|
3.12±0.62 |
3.13+0.23-0.25
|
--- | ||
|
a
(au)
|
0.01872±0.00015 |
0.01848+0.00061-0.00063
|
--- | ||
|
δ
(%)
|
0.1927+0.0092-0.0130
|
--- | 0.208924441152356±0.008666906000000 | ||
|
T14
(hours)
|
0.7133±0.0120 | 0.705±0.011 | 0.806061814694175±0.048716640000000 | ||
|
TC
(days)
|
2459492.48743±0.00015
(BJD-TDB)
|
2458786.75425±0.00042
(BJD)
|
2459767.3731060±0.0012409
(BJD)
|
Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
Hot Rocks Survey I: A possible shallow eclipse for LHS 1478 b
August et al. 2025 Reference Overview -
Mass and density of the transiting hot and rocky super-Earth LHS 1478 b (TOI-1640 b)
Soto et al. 2021 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
ExoFOP TOI Table
ExoFOP
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
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