K2-17 Overview
-
Star:
K2-17
- Stellar Radius: 0.63 Solar Radius
- Stellar Effective Temperature: 4118.41 K
-
Planet:
K2-17 b
- Disposition Confirmed
- Planet Radius 0.199 Jupiter Radius
K2-17 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| K2-17 | ||||||
| K2-17 b | 17.97 d | 2.23 R⨁ | Transit | 2015 | Montet et al. 2015 | Confirmed Planet |
- RA
- 11h53m19.12s
- Dec
- +06d24m44.34s
- Distance
-
125.106+0.663-0.657pc
- Parallax
- 7.9646300±0.0418381 mas
- Ecliptic Latitude
- 5.21796 deg
- Ecliptic Longitude
- 175.90769 deg
- Galactic Latitude
- 65.10211 deg
- Galactic Longitude
- 266.61925 deg
- Total Proper Motion
- 28.5542158±0.0590529 mas/yr
- Proper Motion (RA)
- -24.0956000±0.0641894 mas/yr
- Proper Motion (Dec)
- 15.3214000±0.0438357 mas/yr
- Photometry
- mV 13.411±0.103
- mTESS 12.2066±0.0062
- mJ 11.076±0.024
- mH 10.436±0.023
- mKs 10.308±0.021
- mKep 12.997
- mW1 10.216±0.022
- mW2 10.264±0.020
- mW3 10.122±0.071
- mW4 8.658
- mGaia 13.002300±0.000817
- mB 14.811±0.055
- mg 15.0397000±0.0044934
- mi 12.7086000±0.0016656
- mr 13.2550000±0.0028203
- mu 16.7810000±0.0080282
- mz 12.9601000±0.0050656
-
Abundances
(Hypatia Catalog) - [Fe/H] -0.40±0.04 dex
- [Mg/H] -0.38±0.07 dex
- Mission
- K2: Observed in Campaign 1
| Source | TICv8 | Gaia DR2 | Mayo et al. 2018 | Dressing et al. 2017 | Crossfield et al. 2016 | Montet et al. 2015 | Luo et al. 2018 | Kruse et al. 2019 | Vanderburg et al. 2016 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
4035.8500+114.0380-93.7609
|
4360.00+403.80-228.89
|
4382.0±50.0 |
4118.411133+133.237854-119.285591
|
4102±52 |
4320+56-47
|
--- | --- | 4151 | ||
|
M✶
(M⦿)
|
0.6310000+0.0748761-0.0851095
|
--- |
0.624878 +0.019918-0.019225
|
0.657836±0.065784 | 0.532±0.050 |
0.71+0.02-0.05
|
--- | --- | --- | ||
|
R✶
(R⦿)
|
0.7171010+0.0518593-0.0699799
|
0.5563883+0.0633630-0.0903260
|
0.600869 +0.016840-0.015203
|
0.626014+0.040506-0.035563
|
0.478±0.043 |
0.66+0.02-0.03
|
--- |
0.556 +0.090-0.063
|
0.63 | ||
|
Metallicity
(dex)
|
-0.2347520±0.0487593 [M/H] | --- | -0.35±0.08 [Fe/H] | --- | --- |
0.15+0.09-0.22
[Fe/H]
|
--- | --- | --- | ||
|
log g
(log10(cm/s2))
|
4.5269400+0.1214840-0.0798765
|
--- | 4.71±0.1 | --- | 4.798±0.050 | --- | --- | --- | --- | ||
|
L✶
(log10(L⦿))
|
-0.9104039+0.0270170-0.0331780
|
-0.996603385+0.004285544-0.004328242
|
--- | --- | --- | --- | --- | --- | --- | ||
|
γ
(km/s)
|
--- | -10.670887138179161±3.421508050831224 | --- | --- | --- | --- | --- | --- | --- | ||
|
Sp. T
|
--- | --- | --- | --- | --- | --- | K7 | --- | --- | ||
|
ρ✶
(g/cm3)
|
2.4124243+0.7987159-0.6488429
|
--- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Montet et al. 2015 | Mayo et al. 2018 | Dressing et al. 2017 | Crossfield et al. 2016 | Kruse et al. 2019 | Vanderburg et al. 2016 | ||
|---|---|---|---|---|---|---|---|---|
|
a/R✶
|
39.38±0.85 |
46.345919 +7.246946-14.002853
|
40.17+2.61-2.62
|
--- |
47.7 +16.8-7.2
|
--- | ||
|
Teq
(K)
|
487±10 | --- | --- | --- | --- | --- | ||
|
P
(days)
|
17.96753±0.00152 |
17.969079 +0.001383-0.001399
|
17.969029+0.001376-0.001422
|
17.9654±0.0017 |
17.96832 +0.00085-0.00090
|
17.968216 | ||
|
Rp
(R⨁)
|
2.23±0.20 |
1.94750799192 +0.206964025578-0.136038636367
|
2.03+0.18-0.16
|
1.53±0.19 |
1.78 +0.31-0.29
|
2.15 | ||
|
Rp
(RJup)
|
0.199±0.018 |
0.1737450256 +0.0184640936-0.0121365542
|
0.181+0.016-0.014
|
0.136±0.017 |
0.159 +0.028-0.026
|
0.192 | ||
|
a
(au)
|
0.1190±0.0020 | --- | 0.117±0.004 | 0.1088±0.0034 | --- | --- | ||
|
δ
(%)
|
0.099 | --- | --- | --- |
0.0915 +0.0037-0.0039
|
0.0962 | ||
|
TC
(days)
|
2456817.9462±0.0035
(BJD)
|
2456817.94377 +0.003297-0.003409
|
2456817.944±0.003
(BJD)
|
2456817.9525±0.0037
(BJD-TDB)
|
2456817.9472 +0.0021-0.0019
(BJD)
|
2456817.945
(BJD)
|
||
|
S
(S⨁)
|
--- | --- |
10.5+3.7-2.9
|
4.91±0.97 | --- | --- | ||
|
ω
(deg)
|
--- | --- |
52.0600000+83.4771780-130.8055190
|
--- | --- | --- | ||
|
e
|
--- | --- |
0.180000+0.201126-0.152247
|
--- | --- | --- | ||
|
i
(deg)
|
--- |
89.399414 +0.423618-0.819428
|
89.08+0.40-0.20
|
--- | --- | --- | ||
|
Rp/R✶
|
--- |
0.029715 +0.003046-0.001935
|
0.029808+0.001876-0.001634
|
0.0290±0.0025 |
0.0293 +0.0016-0.0034
|
0.02936 | ||
|
T14
(hours)
|
--- | --- | --- | 2.76±0.15 |
2.59200+0.12000-0.16800
|
2.76000 | ||
|
b
|
--- | --- | --- | --- | --- | 0.61 |
Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 1 K2 Targets
- 1 2MASS Point Source Catalog
- Data Files
- 1 K2 Time Series
- 1 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Detection of Hundreds of New Planet Candidates and Eclipsing Binaries in K2 Campaigns 0-8
Kruse et al. 2019 Reference Overview -
Gaia Data Release 2
Gaia DR2 Reference Overview -
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10
Mayo et al. 2018 Reference Overview -
Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7
Dressing et al. 2017 Reference Overview -
197 Candidates and 104 Validated Planets in K2’s First Five Fields
Crossfield et al. 2016 Reference Overview -
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog Reference Overview -
Planetary Candidates from the First Year of the K2 Mission
Vanderburg et al. 2016 Reference Overview -
Stellar and Planetary Properties of K2 Campaign 1 Candidates and Validation of 17 Planets, Including a Planet Receiving Earth-like Insolation
Montet et al. 2015 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 -
LAMOST DR4 catalogs
Luo et al. 2018 Reference Overview
- System
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- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
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