GJ 3090 Overview
GJ 3090
0.55
R⦿
3574.00
K
GJ 3090 b
0.194
RJup
GJ 3090 c
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| GJ 3090 | GJ 3090 b | 2.85 d | 2.18 R⨁ | Transit | 2022 | Almenara et al. 2022 | Confirmed Planet |
| GJ 3090 | GJ 3090 c | 15.94 d | > 10 M⨁ | Radial Velocity | 2026 | Lamontagne et al. 2026 | Confirmed Planet |
- RA
- 01h21m45.22s
- Dec
- -46d42m53.00s
- Distance
- 22.47510±0.02605 pc
- Parallax
- 44.4649000±0.0512046 mas
- Ecliptic Latitude
- -49.73977 deg
- Ecliptic Longitude
- 353.78726 deg
- Galactic Latitude
- -69.52189 deg
- Galactic Longitude
- 287.95198 deg
- Total Proper Motion
- 136.8908631±0.0613050 mas/yr
- Proper Motion (RA)
- -111.2060000±0.0578318 mas/yr
- Proper Motion (Dec)
- -79.8269000±0.0675376 mas/yr
- Photometry
-
mV11.403±0.026
-
mTESS9.4927500±0.0074209
-
mJ8.168±0.021
-
mH7.536±0.036
-
mKs7.294±0.026
-
mW17.053±0.038
-
mW27.113±0.019
-
mW37.045±0.016
-
mW46.941±0.082
-
mIc9.310±0.021
-
mGaia10.552100±0.000938
-
mB12.890±0.014
| Source | Lamontagne et al. 2026 | Ahrer et al. 2025 | Almenara et al. 2022 | TICv8 | Turnbull 2015 | Hawley et al. 1996 | ExoFOP | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
3707±32 | 3556±70 | 3556±70 | 3639.0±157.0 | 3574 | --- | 3703±66 | ||
|
L✶
(log10(L⦿))
|
-1.34+0.02-0.02
|
--- |
-1.34+0.02-0.02
|
-1.37308+0.09128-0.11572
|
-1.301 +0.857-0.716
|
--- | --- | ||
|
M✶
(M⦿)
|
0.519±0.013 | 0.519±0.013 | 0.519±0.013 | 0.5153560±0.0204259 | 0.45 | --- | --- | ||
|
R✶
(R⦿)
|
0.516±0.016 | 0.516±0.016 | 0.516±0.016 | 0.5177860±0.0155797 | 0.55 | --- | 0.52±0.02 | ||
|
Sp. T
|
M2 V | M2 V | M2 V | --- | M3 | M1.0 | --- | ||
|
Metallicity
(dex)
|
0.12±0.06 [Fe/H] | -0.0600±0.1200 [Fe/H] | -0.060±0.120 [Fe/H] | --- | --- | --- | --- | ||
|
Prot
(days)
|
17.95±0.15 | 17.65±0.48 | --- | --- | --- | --- | --- | ||
|
log g
(log10(cm/s2))
|
--- | 4.727±0.029 | 4.727±0.029 | 4.7218700±0.0089208 | --- | --- | 4.762290±0.061557 | ||
|
ρ✶
(g/cm3)
|
--- | --- |
5.32+0.52-0.47
|
5.233853±0.265304 | --- | --- | --- | ||
|
v sin i
(km/s)
|
--- | --- | <1.468±0.050 | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Lamontagne et al. 2026 | Ahrer et al. 2025 | Almenara et al. 2022 | ExoFOP | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|
|
a/R✶
|
--- | 12.96±0.63 | 13.18±0.42 | --- | ||
|
Teq
(K)
|
723±13 | --- | 693±18 | 610 | ||
|
b
|
0.70±0.05 | --- |
0.631+0.093-0.260
|
--- | ||
|
ω
(deg)
|
90 | --- |
137+73-57
|
--- | ||
|
Mp
(M⨁)
|
4.52±0.47 | --- | 3.34±0.72 | --- | ||
|
Mp
(MJup)
|
0.0142±0.0015 | --- | 0.0105±0.0023 | --- | ||
|
e
|
<0.25 |
0.0570+0.0720-0.0410
|
<0.32 | --- | ||
|
i
(deg)
|
86.9±0.2 | 86.86±0.35 |
87.14+0.79-0.30
|
--- | ||
|
P
(days)
|
2.85310198±0.00000082 | --- | 2.8531054±0.0000023 | 2.8531016±0.0000017 | ||
|
ρ
(g/cm3)
|
2.40+0.33-0.30
|
--- |
1.89+0.52-0.45
|
--- | ||
|
Rp
(R⨁)
|
2.18±0.06 | --- | 2.13±0.11 | 2.020680±0.114301 | ||
|
Rp
(RJup)
|
0.194±0.005 | --- | 0.190±0.010 | 0.1802733±0.0101973 | ||
|
Rp/R✶
|
--- | --- |
0.0379+0.0011-0.0014
|
--- | ||
|
K
(m/s)
|
3.15±0.32 | --- | 2.38±0.51 | --- | ||
|
a
(au)
|
0.0316±0.0003 | --- | 0.03165±0.00027 | --- | ||
|
T14
(hours)
|
--- | --- | 1.281±0.024 | 1.142±0.173 | ||
|
TC
(days)
|
2458356.15322±0.00023
(BJD)
|
2460158.812806±0.000074
(BJD-TDB)
|
2458370.41849±0.00030
(BJD-TDB)
|
2460204.9632810±0.0008831
(BJD)
|
||
|
S
(S⨁)
|
45.4±3.3 | --- | --- | 23.0419 | ||
|
δ
(%)
|
--- | --- | --- | 0.1395000±0.0120577 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
- Tools
- Planetary Systems
- Transit
| Source | Lamontagne et al. 2026 |
|---|---|
|
Teq
(K)
|
407.2±7.4 |
|
b
|
2.22±0.14 |
|
S
(S⨁)
|
4.58±0.33 |
|
ω
(deg)
|
90 |
|
Mp sin i
(M⨁)
|
10.0±1.3 |
|
Mp sin i
(MJup)
|
0.0315±0.0041 |
|
e
|
0 |
|
P
(days)
|
15.9407±0.0058 |
|
K
(m/s)
|
3.95±0.51 |
|
a
(au)
|
0.09970±0.00080 |
|
TC
(days)
|
2458350.83±0.61
(BJD)
|
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 162 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 2 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 2 KELT Time Series
- 2 SuperWASP Time Series
- 2 Associated Literature Data
-
NIRPS tightens the mass estimate of GJ 3090 b and detects a planet near the stellar rotation period
Lamontagne et al. 2026 | Reference Overview -
Escaping Helium and a Highly Muted Spectrum Suggest a Metal-enriched Atmosphere on Sub-Neptune GJ 3090 b from JWST Transit Spectroscopy
Ahrer et al. 2025 | Reference Overview -
Atmosphere of the mini-Neptune transiting the bright M dwarf GJ 3090 can be characterized
Almenara et al. 2022 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
ExoFOP TOI Table
ExoFOP -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Further observations of Hipparcos red stars and standards for UBV(RI)_C photometry
Kilkenny et al. 2007 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
The Palomar/MSU nearby star spectroscopic survey. II. The southern M dwarfs and investigations of magnetic activity.
Hawley et al. 1996 | Reference Overview
- System
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- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
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