K2-9 Overview
K2-9
0.47
R⦿
4052.00
K
K2-9 b
0.201
RJup
- Other Data
- Bibliography 9
- Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| K2-9 | K2-9 b | Transit | 2015 | Montet et al. 2015 | Confirmed Planet |
- RA
- 11h45m03.29s
- Dec
- +00d00m19.47s
- Distance
-
82.9631+0.3747-0.3714pc
- Parallax
- 12.0250000±0.0537978 mas
- Ecliptic Latitude
- -1.48035 deg
- Ecliptic Longitude
- 176.56525 deg
- Galactic Latitude
- 58.53482 deg
- Galactic Longitude
- 269.75814 deg
- Total Proper Motion
- 172.8159555±0.0996424 mas/yr
- Proper Motion (RA)
- -170.752000±0.100361 mas/yr
- Proper Motion (Dec)
- 26.6291000±0.0633969 mas/yr
- Photometry
-
mV15.860±0.195
-
mTESS13.7256000±0.0073494
-
mJ12.451±0.024
-
mH11.710±0.022
-
mKs11.495±0.023
-
mKep14.957
-
mW111.348±0.022
-
mW211.214±0.021
-
mW311.354±0.193
-
mW48.812
-
mGaia14.866500±0.000584
-
mg---
-
mi---
-
mr---
-
Mission
- K2 : Observed in Campaign 1
| Source | TICv8 | Gaia DR2 | Crossfield et al. 2016 | Schlieder et al. 2016 | Montet et al. 2015 | Kruse et al. 2019 | Vanderburg et al. 2016 | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
3528.0±157.0 |
3972.660+181.254-328.660
|
4052±120 | 3390±150 |
3468+20-19
|
--- | 3765 | ||
|
M✶
(M⦿)
|
0.3024130±0.0202972 | --- | 0.519±0.082 | 0.30±0.14 |
0.24+0.05-0.03
|
--- | --- | ||
|
R✶
(R⦿)
|
0.3224790±0.0097912 | --- | 0.468±0.074 | 0.31±0.11 |
0.25+0.04-0.03
|
0.468 +0.086-0.063
|
0.52 | ||
|
log g
(log10(cm/s2))
|
4.9016700±0.0028122 | --- | 4.816±0.071 | --- | --- | --- | --- | ||
|
L✶
(log10(L⦿))
|
-1.83819+0.09341-0.11917
|
--- | --- |
-1.9+0.3-0.8
|
--- | --- | --- | ||
|
Metallicity
(dex)
|
--- | --- | --- | -0.25±0.20 [Fe/H] |
-0.46+0.12-0.10
[Fe/H]
|
--- | --- | ||
|
γ
(km/s)
|
--- | --- | --- | -31.02±0.15 | --- | --- | --- | ||
|
Age
(Gyr)
|
--- | --- | --- | >1 | --- | --- | --- | ||
|
ρ✶
(g/cm3)
|
12.7134047±0.3035652 | --- | --- | 9.880±4.250 | --- | --- | --- | ||
|
Sp. T
|
--- | --- | --- | M2.5 V | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Schlieder et al. 2016 | Crossfield et al. 2016 | Montet et al. 2015 | Kruse et al. 2019 | Vanderburg et al. 2016 | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|
|
a/R✶
|
26.30+31.80-0.74
|
--- | 74.76±6.66 |
57.4 +11.7-5.3
|
--- | ||
|
Teq
(K)
|
314+67-64
|
--- | 284±14 | --- | --- | ||
|
P
(days)
|
18.4498±0.0015 | 18.4474±0.0015 | 18.44883±0.00137 |
18.44951 +0.00057-0.00059
|
18.448653 | ||
|
Rp
(R⨁)
|
2.25+0.53-0.96
|
5.60±4.50 | 1.60±0.42 |
3.09 +0.58-0.47
|
3.33 | ||
|
Rp
(RJup)
|
0.201+0.047-0.086
|
0.500±0.401 | 0.143±0.037 |
0.276 +0.052-0.042
|
0.297 | ||
|
a
(au)
|
0.0910+0.0130-0.0160
|
0.1098±0.0058 | 0.0848±0.0050 | --- | --- | ||
|
δ
(%)
|
--- | --- | 0.283 |
0.399 +0.012-0.013
|
0.345 | ||
|
TC
(days)
|
2456822.6712+0.0025-0.0033
|
2456822.6744±0.0028 | 2456822.6723±0.0030 |
2456822.66979 +0.00100-0.00104
|
2456822.671 | ||
|
Rp/R✶
|
0.06669+0.00060-0.01307
|
0.11±0.28 | --- |
0.0605 +0.0026-0.0044
|
0.05692 | ||
|
T14
(hours)
|
2.8397+0.0074-0.5492
|
2.93±0.39 | --- |
2.41440+0.09600-0.11040
|
2.49000 | ||
|
b
|
0.9261+0.0080-0.4929
|
--- | --- | --- | 0.68 | ||
|
S
(S⨁)
|
1.36+1.59-0.81
|
4.4±1.6 | --- | --- | --- | ||
|
i
(deg)
|
87.983+1.593-0.080
|
--- | --- | --- | --- |
- 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 -
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 -
Two Small Temperate Planets Transiting Nearby M Dwarfs in K2 Campaigns 0 and 1
Schlieder et al. 2016 | 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 -
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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