K2-387 Overview
-
Star:
K2-387
- Stellar Radius: 0.58 Solar Radius
- Stellar Effective Temperature: 3706.00 K
-
Planet:
K2-387 b
- Disposition Confirmed
- Planet Radius 0.653 Jupiter Radius
K2-387 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| K2-387 | ||||||
| K2-387 b | 28.74 d | 7.32 R⨁ | Transit | 2022 | Christiansen et al. 2022 | Confirmed Planet |
- RA
- 01h17m46.04s
- Dec
- +11d22m06.57s
- Distance
- 266.318±3.722 pc
- Parallax
- 3.7268100±0.0520753 mas
- Ecliptic Latitude
- 2.92623 deg
- Ecliptic Longitude
- 22.2242 deg
- Galactic Latitude
- -50.97688 deg
- Galactic Longitude
- 133.21362 deg
- Total Proper Motion
- 20.0672612±0.0776034 mas/yr
- Proper Motion (RA)
- 2.093130±0.111697 mas/yr
- Proper Motion (Dec)
- -19.9578000±0.0771447 mas/yr
- Photometry
- mV 16.147±0.297
- mTESS 14.4498000±0.0077036
- mJ 13.150±0.027
- mH 12.437±0.023
- mKs 12.286±0.024
- mKep 15.540
- mW1 12.183±0.023
- mW2 12.175±0.024
- mW3 12.189±0.354
- mW4 9.087
- mGaia 15.4948±0.0006
- mB 17.718±0.194
- mg 17.1483000±0.0047775
- mi 14.7663000±0.0045757
- mr 15.6964000±0.0044987
- mu 19.8276000±0.0406685
- mz 14.4117000±0.0046616
- Mission
- K2: Observed in Campaign 8
| Source | Christiansen et al. 2022 | TICv8 | Kruse et al. 2019 | Petigura et al. 2018 | ||
|---|---|---|---|---|---|---|
|
Teff
(K)
|
3572±138 | 3706.0±157.0 | --- | --- | ||
|
L✶
(log10(L⦿))
|
--- |
-1.23884+0.09099-0.11525
|
--- | --- | ||
|
ρ✶
(g/cm3)
|
--- | 4.0888064±0.2351111 | --- | --- | ||
|
M✶
(M⦿)
|
0.570+0.051-0.048
|
0.5737120±0.0208325 | --- | --- | ||
|
R✶
(R⦿)
|
0.585±0.018 | 0.5826680±0.0182027 |
0.664 +0.098-0.020
|
0.35 | ||
|
log g
(log10(cm/s2))
|
4.660±0.046 | 4.6659200±0.0113668 | --- | --- | ||
|
Metallicity
(dex)
|
0.126±0.235 [Fe/H] | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Christiansen et al. 2022 | Kruse et al. 2019 | Petigura et al. 2018 | ||
|---|---|---|---|---|---|
|
a/R✶
|
55.42+2.09-2.10
|
64.7 +9.9-10.3
|
--- | ||
|
b
|
0.711+0.030-0.034
|
--- |
0.36 +0.26-0.25
|
||
|
P
(days)
|
28.735327+0.000992-0.000994
|
28.7342±0.0011 |
28.735998 +0.001688-0.001636
|
||
|
Rp
(R⨁)
|
7.322+0.268-0.264
|
8.22 +1.31-0.60
|
4.0±1.6 | ||
|
Rp
(RJup)
|
0.6532+0.0239-0.0236
|
0.733 +0.117-0.05
|
0.36±0.14 | ||
|
Rp/R✶
|
0.1146±0.0020 |
0.1134 +0.0067-0.0076
|
0.1049 +0.0088-0.0038
|
||
|
TC
(days)
|
2457401.9787±0.0011
(JD)
|
2457401.9793±0.0011
(BJD)
|
2457401.97827 +0.002251-0.002265
(BJD)
|
||
|
δ
(%)
|
--- |
1.398 +0.032-0.033
|
--- | ||
|
T14
(hours)
|
--- |
3.28800+0.14400-0.16800
|
2.99040+0.14880-0.11040
|
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
-
Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18
Christiansen et al. 2022 Reference Overview -
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 -
Planet Candidates from K2 Campaigns 5─8 and Follow-up Optical Spectroscopy
Petigura et al. 2018 Reference Overview -
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
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- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
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