K2-399 Overview
K2-399
1.66
R⦿
5690.18
K
Χ
K2-399 b
0.540
RJup
- Other Data
- Bibliography 8
- Exoplanet Archive Notes 1
- Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| K2-399 | K2-399 b | Transit | 2022 | Christiansen et al. 2022 | False Positive Planet |
K2-399 b
- Confirmed planet signal refuted in ref. (Lillo-Box et al. 2024)
- RA
- 10h32m17.63s
- Dec
- +02d14m16.24s
- Distance
-
515.491+12.347-11.793pc
- Parallax
- 1.9115800±0.0450671 mas
- Ecliptic Latitude
- -6.4651 deg
- Ecliptic Longitude
- 158.88577 deg
- Galactic Latitude
- 48.43336 deg
- Galactic Longitude
- 243.70386 deg
- Total Proper Motion
- 19.5754556±0.0656201 mas/yr
- Proper Motion (RA)
- -1.1092900±0.0678185 mas/yr
- Proper Motion (Dec)
- -19.5440000±0.0656129 mas/yr
- Photometry
-
mV12.478±0.092
-
mTESS11.8690±0.0067
-
mJ11.258±0.024
-
mH10.945±0.022
-
mKs10.930±0.023
-
mKep12.310
-
mW110.840±0.023
-
mW210.885±0.021
-
mW310.821±0.104
-
mW48.902
-
mGaia12.314700±0.000256
-
mB13.140±0.028
-
Mission
- K2 : Observed in Campaign 14
| Source | Christiansen et al. 2022 | TICv8 | Zink et al. 2021 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|
|
Teff
(K)
|
5690±38 |
5690.180+166.129-116.199
|
5690.0±38.0 | 5690.2±141.2 | ||
|
L✶
(log10(L⦿))
|
--- |
0.4154098+0.0234329-0.0263500
|
--- | --- | ||
|
Metallicity
(dex)
|
0.252±0.036 [Fe/H] | 0.252±0.036 [M/H] | 0.252±0.036 [Fe/H] | --- | ||
|
ρ✶
(g/cm3)
|
--- |
0.3112939+0.0911814-0.0617700
|
--- | --- | ||
|
M✶
(M⦿)
|
0.783+0.131-0.114
|
1.010000+0.122234-0.130327
|
0.783+0.131-0.114
|
--- | ||
|
R✶
(R⦿)
|
1.541+0.048-0.047
|
1.6599900+0.1097120-0.0908362
|
1.5410+0.0480-0.0470
|
1.65998995304108±0.10027400000000 | ||
|
log g
(log10(cm/s2))
|
3.956±0.063 |
4.0021800+0.0675354-0.0997157
|
3.9560±0.0630 | 4.00±0.08 | ||
|
Sp. T
|
--- | --- | F9 | --- |
- Status
- False Positive Planet
- Detected By
- Transit
| Source | Christiansen et al. 2022 | Zink et al. 2021 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|
|
a/R✶
|
1.89±0.09 | 1.89±0.09 | --- | ||
|
b
|
0.974+0.012-0.008
|
0.974+0.012-0.008
|
--- | ||
|
P
(days)
|
0.759978±0.000010 | 0.759978±0.000010 | 0.760019018134678±0.000009617417000 | ||
|
Rp
(R⨁)
|
6.049+1.047-0.481
|
6.049+1.047-0.481
|
7.29025893765956±5.47106800000000 | ||
|
Rp
(RJup)
|
0.5397+0.0934-0.0429
|
0.5397+0.0934-0.0429
|
0.650394458941263±0.488096834710403 | ||
|
Rp/R✶
|
0.0359+0.0060-0.0030
|
0.0359+0.0060-0.0030
|
--- | ||
|
TC
(days)
|
2457906.2191±0.0006 |
2457906.219131+0.000632-0.000569
|
2459525.79545200±0.00048457 | ||
|
Teq
(K)
|
--- | --- | 2529.02453793063 | ||
|
S
(S⨁)
|
--- | --- | 9667.9228083512 | ||
|
δ
(%)
|
--- | --- | 0.186558865175868±0.013774420000000 | ||
|
T14
(hours)
|
--- | 1.1 | 0.638738039740502±0.210888330000000 |
- Known Objects
- 1 K2 Targets
- 1 2MASS Point Source Catalog
- Data Files
- 1 K2 Time Series
-
K2-399 b is not a planet. The Saturn that wandered through the Neptune desert is actually a hierarchical eclipsing binary
Lillo-Box et al. 2024 | Reference Overview -
Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18
Christiansen et al. 2022 | Reference Overview -
Scaling K2. IV. A Uniform Planet Sample for Campaigns 1-8 and 10-18
Zink et al. 2021 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
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