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K2-272 Overview

  • Star: K2-272
    • Stellar Radius: 0.80 Solar Radius
    • Stellar Effective Temperature: 5374.00 K
    • Planet: K2-272 b
      • Disposition Confirmed
      • Planet Radius 0.279 Jupiter Radius

K2-272 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-272
K2-272 b 14.45 d 3.13 R⨁ Transit 2018 Livingston et al. 2018 Confirmed Planet
RA
08h50m29.08s
Dec
+17d32m32.59s
Distance
423.065±5.393 pc
Parallax
2.3350500±0.0299025 mas
Ecliptic Latitude
-.14617 deg
Ecliptic Longitude
130.21122 deg
Galactic Latitude
33.9644 deg
Galactic Longitude
209.30743 deg
Total Proper Motion
17.4633816±0.0399128 mas/yr
Proper Motion (RA)
12.0232000±0.0489748 mas/yr
Proper Motion (Dec)
-12.6654000±0.0294474 mas/yr
Photometry
mV 13.872±0.172
mTESS 13.1736±0.0072
mJ 12.486±0.022
mH 12.076±0.020
mKs 12.000±0.018
mKep 13.654
mW1 11.985±0.023
mW2 12.017±0.023
mW3 11.576±0.243
mW4 8.563
mGaia 13.666800±0.000209
mB 14.577±0.047
Abundances
(Hypatia Catalog)
[Fe/H] -0.32±0.04 dex
[Mg/H] -0.13±0.07 dex
Mission
K2: Observed in Campaigns 5, 16, 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 Kruse et al. 2019 Yu et al. 2018 Petigura et al. 2018 Pope et al. 2016 Barros et al. 2016
Teff
(K)
5397+105-96
 5363.5600±45.4291 5419±79
5374.0+69.0-184.0
 --- 5490±80 --- --- ---
L✶
(log10(L⦿))
--- -0.3021438 ---
-0.3155955+0.0132996-0.0137198
 --- --- --- --- ---
R✶
(R⦿)
0.83±0.03 0.817851 0.81±0.01
0.80215734+0.05788570-0.02020870
0.802 +0.020-0.058
0.802±0.012 0.74 --- ---
Metallicity
(dex)
-0.090±0.120 [Fe/H] -0.3547280±0.0439929 [M/H] -0.28±0.06 [Fe/H] --- --- --- --- --- ---
ρ✶
(g/cm3)
--- 2.3967611
2.577+1.150-0.894
 --- --- --- --- --- ---
M✶
(M⦿)
0.86±0.05 0.93 0.81±0.04 --- --- --- --- --- ---
log g
(log10(cm/s2))
4.53+0.03-0.04
 4.5812 4.53±0.03 --- --- 4.548±0.036 --- --- ---
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 Yu et al. 2018 Petigura et al. 2018 Barros et al. 2016 Pope et al. 2016
a/R✶
26.16+5.13-9.27
30.54+2.59-6.29
28.1 +8.1-3.4
--- --- --- ---
Teq
(K)
747+82-65
 655±12 --- --- --- --- ---
b
0.58+0.28-0.39
0.39+0.30-0.27
 --- ---
0.48 +0.30-0.31
--- 0.228
P
(days)
14.4536756+0.0000243-0.0000240
14.453533+0.001328-0.001360
14.45107 +0.00098-0.00095
14.454034
14.453513 +0.001727-0.001783
14.45182127 14.452
Rp
(R⨁)
3.13+0.38-0.21
 2.91±0.15
2.96 +0.15-0.34
3.2
2.7 +0.4-0.2
--- ---
Rp
(RJup)
0.279+0.034-0.019
 0.260±0.013
0.264 +0.013-0.030
 .29
0.24 +0.04-0.02
--- ---
Rp/R✶
0.0343+0.0044-0.0018
0.0329+0.0019-0.0012
0.0339 +0.0016-0.0030
---
0.0336 +0.0041-0.0019
--- 0.032178
a
(au)
0.1007+0.0199-0.0354
0.1081+0.0016-0.0017
 --- --- --- --- ---
TC
(days)
2457144.8541321+0.0014315-0.0015034
(BJD)
2457144.85864+0.00288-0.00296
(BJD)
2457144.861 +0.0024-0.0025
(BJD)
2458098.79062
(BJD)
2457144.85864 +0.004018-0.004065
(BJD)
2457144.860466
(BJD)
2457144.86
(BJD)
δ
(%)
--- ---
0.1225 +0.0039-0.004
0.1374 --- 0.118±0.005 0.1035
T14
(hours)
--- ---
3.62400+0.12000-0.14400
 2.73600
3.47040+0.18960-0.16080
3.22000+0.03700-0.03700
 3.31992
Print
Known Objects
1 Confirmed Planets
3 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 KELT Praesepe Time Series
2 K2 Time Series
1 Associated Literature Data
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  • Controversial
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  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
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