K2-284 Overview
K2-284
0.61
R⦿
4140.00
K
K2-284 b
0.248
RJup
- Other Data
- Bibliography 8
- Exoplanet Archive Notes 1
- Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| K2-284 | K2-284 b | Transit | 2018 | David et al. 2018 | Confirmed Planet |
K2-284 b
- Planet parameters drawn from Table 3, model Fit 2 in ref. Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (David et al. 2018)
- RA
- 05h16m33.79s
- Dec
- +20d15m17.65s
- Distance
-
107.272+0.502-0.497pc
- Parallax
- 9.2934600±0.0430569 mas
- Ecliptic Latitude
- -2.80098 deg
- Ecliptic Longitude
- 79.80354 deg
- Galactic Latitude
- -10.25307 deg
- Galactic Longitude
- 183.72406 deg
- Total Proper Motion
- 52.3005010±0.0650686 mas/yr
- Proper Motion (RA)
- 25.0003000±0.0822522 mas/yr
- Proper Motion (Dec)
- -45.9383000±0.0590269 mas/yr
- Photometry
-
mV13.265±0.206
-
mTESS12.0394±0.0062
-
mJ10.868±0.024
-
mH10.206±0.025
-
mKs10.058±0.018
-
mKep12.811
-
mW19.975±0.023
-
mW210.007±0.020
-
mW39.902±0.060
-
mW48.961
-
mGaia12.8598±0.0011
-
mB14.713±0.006
-
mg---
-
mi---
-
mr---
-
Mission
- K2 : Observed in Campaign 13
| Source | TICv8 | David et al. 2018 | Gaia DR2 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|
|
Teff
(K)
|
4072.000+127.277-120.096
|
4140±50 |
4089.5500+164.3860-95.0927
|
4072.0±123.7 | ||
|
L✶
(log10(L⦿))
|
-0.9826932+0.0362284-0.0306806
|
-1.01+0.02-0.02
|
-1.010191+0.003156-0.003179
|
--- | ||
|
Metallicity
(dex)
|
--- | 0.0±0.1 [Fe/H] | --- | --- | ||
|
γ
(km/s)
|
--- | 16.96±0.19 | 18.472888046858291±1.842027839509325 | --- | ||
|
v sin i
(km/s)
|
--- | 3.54±0.50 | --- | --- | ||
|
Age
(Gyr)
|
--- |
0.120+0.640-0.020
|
--- | --- | ||
|
ρ✶
(g/cm3)
|
3.2978657+0.9894387-1.1942794
|
3.91+1.07-0.88
|
--- | --- | ||
|
M✶
(M⦿)
|
0.6370000+0.0652827-0.0979249
|
0.63±0.01 | --- | --- | ||
|
R✶
(R⦿)
|
0.6481720+0.0647739-0.0564724
|
0.607±0.022 |
0.6225956+0.0299961-0.0471886
|
0.65±0.06 | ||
|
log g
(log10(cm/s2))
|
4.6188300+0.0998104-0.1189530
|
4.67±0.01 | --- | 4.62±0.11 | ||
|
Prot
(days)
|
--- | 8.88±0.40 | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | David et al. 2018 | Kokori et al. 2023 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|
|
a/R✶
|
16.84+0.62-0.70
|
16.84+0.62-0.70
|
--- | ||
|
Teq
(K)
|
653+16-14
|
--- | 919 | ||
|
b
|
0.28±0.19 | --- | --- | ||
|
S
(S⨁)
|
42.6±1.8 | --- | 118.638 | ||
|
ω
(deg)
|
180.2+126.4-129.6
|
180.2+126.4-129.6
|
--- | ||
|
e
|
0.0780+0.1080-0.0550
|
0.0780+0.1080-0.0550
|
--- | ||
|
i
(deg)
|
89.00+0.65-0.62
|
89.00+0.65-0.62
|
--- | ||
|
P
(days)
|
4.795069±0.000086 | 4.7948599±0.0000050 | 4.7948642±0.0000063 | ||
|
Rp
(R⨁)
|
2.78+0.14-0.12
|
--- | 3.398500±0.328165 | ||
|
Rp
(RJup)
|
0.248+0.012-0.011
|
--- | 0.3031944±0.0292770 | ||
|
Rp/R✶
|
0.0420+0.0013-0.0011
|
0.0420±0.0013 | --- | ||
|
a
(au)
|
0.04771±0.00025 | --- | --- | ||
|
T14
(hours)
|
2.147+0.050-0.045
|
--- | 2.245±0.325 | ||
|
TC
(days)
|
2457859.11316+0.00043-0.00042
|
2458146.80246±0.00062 | 2460251.750696±0.003060 | ||
|
δ
(%)
|
--- | --- | 0.2280000±0.0109093 |
- Known Objects
- 1 Confirmed Planets
- 1 K2 Targets
- 3 2MASS Point Source Catalog
- Data Files
- 1 K2 Time Series
- 1 Associated Literature Data
-
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Discovery of a Transiting Adolescent Sub-Neptune Exoplanet with K2
David et al. 2018 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | 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
- External Link
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