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K2-22 Overview

  • Star: K2-22 B
  • Star: K2-22
    • Stellar Radius: 0.57 Solar Radius
    • Stellar Effective Temperature: 3830.00 K
    • Planet: K2-22 b
      • Disposition Confirmed
      • Planet Radius 0.205 Jupiter Radius

K2-22 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-22 B
K2-22
K2-22 b 0.38 d 2.3 R⨁ Transit 2015 Sanchis-Ojeda et al. 2015 Confirmed Planet
K2-22
  • This reference contains discussion regarding the stellar multiplicity of this system. (Sanchis-Ojeda et al. 2015)
  • This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
RA
---
Dec
---
Distance
---
Parallax
---
Ecliptic Latitude
---
Ecliptic Longitude
---
Galactic Latitude
---
Galactic Longitude
---
Total Proper Motion
---
Proper Motion (RA)
---
Proper Motion (Dec)
---
Photometry
mV ---
mTESS ---
mJ ---
mH ---
mKs ---
mKep ---
mW1 ---
mW2 ---
mW3 ---
mW4 ---
mGaia ---
mB ---
mg ---
mi ---
mr ---
mu ---
mz ---
Mission
K2:
Tools
Planetary Systems
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
RA
11h17m55.85s
Dec
+02d37m08.53s
Distance
243.8360±2.7975 pc
Parallax
4.0728600±0.0466921 mas
Ecliptic Latitude
-1.75392 deg
Ecliptic Longitude
169.30243 deg
Galactic Latitude
56.81595 deg
Galactic Longitude
256.5319 deg
Total Proper Motion
27.5146256±0.0811984 mas/yr
Proper Motion (RA)
-27.1082000±0.0815074 mas/yr
Proper Motion (Dec)
-4.7117000±0.0702056 mas/yr
Photometry
mV 15.565±0.046
mTESS 13.9558000±0.0129533
mJ 12.726±0.024
mH 12.088±0.030
mKs 11.924±0.026
mKep 14.928
mW1 11.723±0.022
mW2 11.703±0.022
mW3 11.802±0.284
mW4 9.028
mGaia 14.953700±0.000777
mB 17.042±0.000
mg 16.44±0.05
mi 14.38±0.05
mr 15.01±0.05
mu 19.07±0.05
mz 14.05±0.05
Mission
K2: Observed in Campaign 1
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source Adams et al. 2021 TICv8 Gaia DR2 Dressing et al. 2017 Crossfield et al. 2016 Sanchis-Ojeda et al. 2015 Kruse et al. 2019 Adams et al. 2016 Vanderburg et al. 2016
Teff
(K)
3879±90 3882.0±157.0
3886.4766+262.9330-70.4766
3879.177734+94.550926-87.361542
 3865±101 3830±100 --- 3830.0 3892
Metallicity
(dex)
0.0320±0.1200 [Fe/H] --- --- --- --- 0.030±0.080 [Fe/H] --- 0.03 [Fe/H] ---
M✶
(M⦿)
--- 0.5990580±0.0206858 --- 0.595292±0.059529 0.421±0.078 0.60±0.07 --- --- ---
R✶
(R⦿)
0.58±0.03 0.6136160±0.0189357
0.64023614+0.02386710-0.07856830
0.581569+0.029881-0.030613
 0.382±0.069 0.57±0.06
0.640 +0.079-0.024
0.54±0.07 0.57
log g
(log10(cm/s2))
4.70±0.04 4.6397400±0.0118101 --- --- 4.886±0.071 4.65±0.12 --- 4.65 ---
Sp. T
--- --- --- --- --- M0 V --- --- ---
L✶
(log10(L⦿))
---
-1.11329+0.08796-0.11043
-1.074401+0.010921-0.011203
 --- --- --- --- --- ---
ρ✶
(g/cm3)
--- 3.6554822±0.2125440 --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
NExoList: JWST
Atmospheric Spectroscopy
Source Adams et al. 2021 Dressing et al. 2017 Crossfield et al. 2016 Sanchis-Ojeda et al. 2015 Kruse et al. 2019 Adams et al. 2016 Vanderburg et al. 2016
b
--- --- ---
0.65+0.08-0.13
 --- --- 0.50
P
(days)
0.381073±0.000024 0.381078±0.000003 1.143201±0.000012 0.381078±0.000001
0.3810654 +0.0000019-0.0000018
0.381087±0.000041 0.38107852
Rp
(R⨁)
2.3±0.1
4.75+0.35-0.36
 3.00±0.57 <2.5±0.4
5.40 +0.73-0.46
4.31±0.98 4.61
Rp
(RJup)
0.21±0.01
0.424+0.031-0.032
 0.268±0.051 <0.22±0.04
0.48 +0.065-0.041
 0.385±0.087 0.411
Rp/R✶
0.03660+0.00140-0.00083
0.074860+0.003861-0.004134
 0.0710±0.0025 ---
0.0774 +0.0044-0.0059
0.0731 +0.014-0.004
0.07119
δ
(%)
--- --- --- ---
0.624 +0.015-0.017
--- 0.558
T14
(hours)
--- --- 0.651±0.038 0.80±0.05
0.58560+0.01440-0.02400
 --- 0.73000
TC
(days)
2456846.94318+0.00031-0.00036
(HJD)
2456867.139±0.000
(BJD)
2456809.21678±0.00049
(BJD-TDB)
2456811.1208±0.0006
(BJD)
2456810.35561±0.00018
(BJD)
2456867.13946 +0.00031-0.00032
(BJD)
2456810.358
(BJD)
a/R✶
3.00+0.08-0.20
 3.19±0.19 --- 3.3±0.2
4.51 +0.55-0.68
4.2 +0.6-1.7
---
Teq
(K)
--- --- --- 2100 --- --- ---
Mp
(M⨁)
--- --- --- <445 --- --- ---
Mp
(MJup)
--- --- --- <1.4 --- --- ---
a
(au)
--- 0.00900±0.00000 0.016040±0.000000 0.0088±0.0008 --- --- ---
i
(deg)
90.6+8.0-7.0
77.48+4.40-2.37
 --- --- ---
83.0 +5.0-13.6
---
S
(S⨁)
---
737.9+242.8-196.7
 114±45 --- --- --- ---
ω
(deg)
---
46.7000000+90.8969540-144.3427490
 --- --- --- --- ---
e
---
0.190000+0.221175-0.152914
 --- --- --- --- ---
Print
Known Objects
1 Confirmed Planets
1 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 Time Series
1 Associated Literature Data
Known Objects
1 Confirmed Planets
1 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 Time Series
1 Associated Literature Data
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