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K2-274 Overview

  • Star: K2-274
    • Stellar Radius: 0.72 Solar Radius
    • Stellar Effective Temperature: 5038.67 K
    • Planet: K2-274 b
      • Disposition Confirmed
      • Planet Radius 0.186 Jupiter Radius
    • Planet: EPIC 212008766.02
      • Disposition Candidate
      • Planet Radius 0.387 Jupiter Radius

K2-274 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-274
K2-274 b 14.13 d 2.08 R⨁ Transit 2018 Livingston et al. 2018 Confirmed Planet
EPIC 212008766.02 > 74.8 d 4.34 R⨁ Transit 2022 Castro-González et al. 2022 Candidate Planet
RA
08h37m07.77s
Dec
+20d23m57.30s
Distance
228.327+4.823-4.631
pc
Parallax
4.3533300±0.0899408 mas
Ecliptic Latitude
1.78867 deg
Ecliptic Longitude
126.41796 deg
Galactic Latitude
32.01486 deg
Galactic Longitude
204.79384 deg
Total Proper Motion
30.4691288±0.0845317 mas/yr
Proper Motion (RA)
-15.66250±0.12756 mas/yr
Proper Motion (Dec)
-26.1353000±0.0621939 mas/yr
Photometry
mV 13.181±0.114
mTESS 12.3198±0.0066
mJ 11.507±0.021
mH 11.051±0.021
mKs 10.986±0.019
mKep 12.802
mW1 10.916±0.022
mW2 10.979±0.021
mW3 10.617±0.168
mW4 8.232
mGaia 12.885200±0.000295
mB 14.119±0.160
mg 15.9492000±0.0160511
mi 12.6884000±0.0017052
mr 15.732200±0.013508
mu 16.1444000±0.0096596
mz 13.8097000±0.0094239
Abundances
(Hypatia Catalog)
[Fe/H] -0.10±0.04 dex
[Mg/H] -0.13±0.07 dex
Mission
K2: Observed in Campaigns 5, 18
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source Castro-González et al. 2022 TICv8 Livingston et al. 2018 Gaia DR2 Castro-González et al. 2022 Kruse et al. 2019 Mayo et al. 2018 Petigura et al. 2018 Libralato et al. 2016 Pope et al. 2016 Barros et al. 2016
Teff
(K)
5044+43-42
5024.3700+134.2800-78.9998
 5065±60
5038.6665+23.3335-78.4815
5044+43-42
 --- 5098.0±50.0 --- --- --- ---
L✶
(log10(L⦿))
---
-0.5090275+0.0189653-0.0275451
 ---
-0.52033020+0.01150693-0.01182013
 --- --- --- --- --- --- ---
R✶
(R⦿)
0.70±0.01
0.7344730+0.0363276-0.0498633
 0.74±0.01
0.72086895+0.02299210-0.00663045
 0.70±0.01
0.7209 +0.0066-0.0230
0.747608 +0.025584-0.020542
0.74 0.794 --- ---
Metallicity
(dex)
-0.16+0.03-0.04
[Fe/H] 		-0.132829±0.027097 [M/H] -0.13±0.05 [Fe/H] ---
-0.16+0.03-0.04
[Fe/H] 		--- -0.15±0.08 [Fe/H] --- --- --- ---
ρ✶
(g/cm3)
---
2.9889445+0.7663167-0.6130150
2.980+1.410-1.090
 --- --- --- --- --- --- --- ---
M✶
(M⦿)
0.79±0.01
0.8400000+0.1048840-0.0925158
 0.81±0.02 --- 0.79±0.01 --- --- --- --- --- ---
log g
(log10(cm/s2))
4.64±0.01
4.6304000+0.0887534-0.0749147
 4.61±0.01 --- 4.64±0.01 --- 4.7±0.1 --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Castro-González et al. 2022 Livingston et al. 2018 Kruse et al. 2019 Mayo et al. 2018 Petigura et al. 2018 Libralato et al. 2016 Pope et al. 2016 Barros et al. 2016
a/R✶
29.68+1.73-5.06
31.54+2.82-6.81
27.8 +6.8-2.8
26.619559 +3.492905-9.834534
--- --- --- ---
Teq
(K)
655+0-20
 589±9 --- --- --- --- --- ---
b
0.34+0.29-0.23
0.39+0.31-0.27
 --- ---
0.50 +0.32-0.34
--- 0 ---
P
(days)
14.1330314±0.0000282
14.129714+0.002102-0.001876
14.13168 +0.00066-0.00067
14.133427 +0.001002-0.001030
14.130184 +0.002182-0.002120
14.130142±0.000844 14.129 14.11544241
Rp
(R⨁)
2.08+0.12-0.07
 2.20±0.12
2.18 +0.15-0.46
2.3212041847 +0.528050936447-0.168042866319
2.2 +0.3-0.1
2.41 --- ---
Rp
(RJup)
0.186+0.011-0.006
 0.196±0.011
0.194 +0.013-0.041
0.21 +0.05-0.01
0.20 +0.03-0.01
0.215 --- ---
Rp/R✶
0.0273+0.0016-0.0007
0.0272+0.0019-0.0010
0.0278 +0.0020-0.0058
0.028465 +0.006402-0.001907
0.0272 +0.0031-0.0012
0.0278±0.0004 0.029218 ---
a
(au)
0.09640+0.00590-0.01630
0.1064+0.0008-0.0009
 --- --- --- --- --- ---
TC
(days)
2457145.1112611+0.0013858-0.0014376
(BJD)
2457145.12109+0.00494-0.00540
(BJD)
2457145.1175±0.0016
(BJD)
2457145.11143 +0.002595-0.002547
(BJD)
2457145.11998 +0.005477-0.005595
(BJD)
2457145.117423±0.002062
(BJD)
2457145.122
(BJD)
2457145.149412
(BJD)
T14
(hours)
--- ---
3.64800+0.12000-0.16800
 ---
3.23040+0.18000-0.14880
 --- 3.39912
4.19200+0.35900-0.35900
i
(deg)
--- --- ---
88.984324 +0.730577-1.856582
--- 89.44±0.13 --- ---
δ
(%)
--- ---
0.0974 +0.0025-0.0024
--- --- 0.0942±0.0040 0.0854 0.083±0.006
Print
Status
Candidate Planet
Detected By
Transit
Tools
Transit Prediction Service
K2 Planets and Candidates
Source Castro-González et al. 2022
a/R✶
>98.40
Teq
(K)
<86
b
0.97±0.02
P
(days)
>74.8
Rp
(R⨁)
4.34+0.81-0.66
Rp
(RJup)
0.387+0.072-0.059
Rp/R✶
0.05690+0.01060-0.08700
a
(au)
>0.320
TC
(days)
2458276.8646162+0.0033673-0.0032444
(BJD)
Print
Known Objects
1 Confirmed Planets
2 K2 Targets
3 2MASS Point Source Catalog
Data Files
2 SuperWASP Time Series
1 KELT Praesepe Time Series
1 K2 Time Series
1 Associated Literature Data
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