TOI-1774 Overview
TOI-1774
1.13
R⦿
5746.00
K
TOI-1774.01
0.248
RJup
HD 85426 c
?
HD 85426 d
- Architecture
- TOI-1774
- TOI-1774
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| TOI-1774 | TOI-1774.01 | 16.71 d | 2.78 R⨁ | Transit | 2021 | Giacalone et al. 2021 | Confirmed Planet |
| TOI-1774 | HD 85426 c | 35.73 d | > 10.3 M⨁ | Radial Velocity | 2026 | Lienhard et al. 2026 | Confirmed Planet |
| TOI-1774 | HD 85426 d | 89 d | > 9.5 M⨁ | Radial Velocity | 2026 | Lienhard et al. 2026 | Candidate Planet |
- RA
- 09h52m38.86s
- Dec
- +35d06m39.63s
- Distance
-
53.9740+0.2050-0.2035pc
- Parallax
- 18.4989000±0.0695851 mas
- Ecliptic Latitude
- 20.85767 deg
- Ecliptic Longitude
- 138.04326 deg
- Galactic Latitude
- 51.24051 deg
- Galactic Longitude
- 189.72088 deg
- Total Proper Motion
- 304.3564848±0.0840753 mas/yr
- Proper Motion (RA)
- 264.6730000±0.0874227 mas/yr
- Proper Motion (Dec)
- -150.270000±0.072717 mas/yr
- Photometry
-
mV8.25±0.03
-
mTESS7.6474±0.0060
-
mJ7.055±0.024
-
mH6.728±0.015
-
mKs6.684±0.021
-
mGaia8.082350±0.000285
-
mB8.913±0.025
| Source | Lienhard et al. 2026 | TICv8 | ExoFOP | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|
|
Teff
(K)
|
5746±59 |
5853.700+105.229-107.832
|
5853.700±106.531 | ||
|
Metallicity
(dex)
|
-0.02±0.05 [Fe/H] | --- | --- | ||
|
v sin i
(km/s)
|
<2 | --- | --- | ||
|
Age
(Gyr)
|
7.4+0.9-1.1
|
--- | --- | ||
|
ρ✶
(g/cm3)
|
0.967+0.038-0.031
|
1.14539+0.24483-0.20022
|
--- | ||
|
M✶
(M⦿)
|
0.9910+0.0270-0.0200
|
1.060000+0.119689-0.140411
|
--- | ||
|
R✶
(R⦿)
|
1.1303±0.0069 |
1.0927100+0.0341015-0.0548432
|
1.0927100±0.0444724 | ||
|
CAII LOG RHK
|
-4.92 | --- | --- | ||
|
log g
(log10(cm/s2))
|
4.33+0.02-0.01
|
4.3863600+0.0769771-0.0634102
|
4.3863600±0.0701936 | ||
|
Prot
(days)
|
25 | --- | --- | ||
|
L✶
(log10(L⦿))
|
--- |
0.10142914+0.01443871-0.00950186
|
--- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Lienhard et al. 2026 | Giacalone et al. 2021 | ExoFOP | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|
|
Teq
(K)
|
824±11 | --- | 747.440060941775 | ||
|
S
(S⨁)
|
--- | --- | 73.7609474825912 | ||
|
P
(days)
|
16.70988±0.00002 | 16.71 | 16.710042174913±0.003280332800 | ||
|
Rp
(R⨁)
|
2.78+0.05-0.04
|
2.90 | 2.73966156734624±0.76206260000000 | ||
|
Rp
(RJup)
|
0.248+0.004-0.004
|
0.259 | 0.244416654883369±0.067986788486486 | ||
|
δ
(%)
|
--- | --- | 0.0615287363110693±0.0046144043000000 | ||
|
T14
(hours)
|
5.41±0.03 | --- | 5.40046516776682±0.38936130000000 | ||
|
TC
(days)
|
2459674.4131±0.0005
(BJD)
|
--- |
2458872.34115500±0.00224932
(BJD)
|
||
|
a/R✶
|
24.3±0.4 | --- | --- | ||
|
b
|
0.24+0.17-0.13
|
--- | --- | ||
|
ω
(deg)
|
282+36-46
|
--- | --- | ||
|
Mp sin i
(M⨁)
|
8.5+1.3-1.4
|
--- | --- | ||
|
Mp sin i
(MJup)
|
0.027+0.004-0.004
|
--- | --- | ||
|
e
|
0.050+0.070-0.030
|
--- | --- | ||
|
i
(deg)
|
89.4+0.3-0.4
|
--- | --- | ||
|
K
(m/s)
|
2.2+0.3-0.4
|
--- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Lienhard et al. 2026 |
|---|---|
|
a/R✶
|
40.3+0.7-0.6
|
|
Teq
(K)
|
640±9 |
|
ω
(deg)
|
143+148-95
|
|
Mp sin i
(M⨁)
|
10.3+1.6-1.5
|
|
Mp sin i
(MJup)
|
0.0324+0.0050-0.0047
|
|
e
|
0.060+0.070-0.040
|
|
P
(days)
|
35.73+0.09-0.10
|
|
K
(m/s)
|
2.0±0.3 |
|
TC
(days)
|
2459608±1
(BJD)
|
- Status
- Candidate Planet
- Detected By
- Radial Velocity
- Tools
| Source | Lienhard et al. 2026 |
|---|---|
|
a/R✶
|
74+2-3
|
|
Teq
(K)
|
472+12-10
|
|
ω
(deg)
|
208+98-150
|
|
Mp sin i
(M⨁)
|
9.50+2.20-2.40
|
|
Mp sin i
(MJup)
|
0.0299+0.0069-0.0076
|
|
e
|
0.15+0.23-0.11
|
|
P
(days)
|
89±1 |
|
K
(m/s)
|
1.4±0.4 |
|
TC
(days)
|
2459548+7-11
|
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 2 Associated Literature Data
-
HARPS-N, TESS, and CHEOPS discover a transiting sub-Neptune and two outer companions around the bright solar analogue HD 85426
Lienhard et al. 2026 | Reference Overview -
Vetting of 384 TESS Objects of Interest with TRICERATOPS and Statistical Validation of 12 Planet Candidates
Giacalone 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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