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K2-180 Overview

  • Star: K2-180
    • Stellar Radius: 0.68 Solar Radius
    • Stellar Effective Temperature: 5263.00 K
    • Planet: K2-180 b
      • Disposition Confirmed
      • Planet Radius 0.220 Jupiter Radius

K2-180 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-180
K2-180 b 8.87 d 2.47 R⨁ Transit 2018 Mayo et al. 2018 Confirmed Planet
K2-180 b
RA
08h25m51.45s
Dec
+10d14m47.68s
Distance
203.896+1.742-1.712
pc
Parallax
4.8759800±0.0412297 mas
Ecliptic Latitude
-8.71935 deg
Ecliptic Longitude
126.27261 deg
Galactic Latitude
25.58211 deg
Galactic Longitude
214.28896 deg
Total Proper Motion
131.9404907±0.0614532 mas/yr
Proper Motion (RA)
97.0976000±0.0722584 mas/yr
Proper Motion (Dec)
-89.3328000±0.0454933 mas/yr
Photometry
mV 12.557±0.046
mTESS 11.8964±0.0060
mJ 11.146±0.023
mH 10.747±0.026
mKs 10.677±0.026
mKep 12.393
mW1 10.619±0.023
mW2 10.667±0.023
mW3 10.599±0.099
mW4 8.927
mGaia 12.4039±0.0002
mB 13.334±0.009
mg 15.3888000±0.0109563
mi 14.5213000±0.0095595
mr 14.9587000±0.0103022
mu 15.2991000±0.0065822
mz 13.684600±0.008919
Abundances
(Hypatia Catalog)
[Fe/H] -0.64±0.04 dex
[Mg/H] -0.45±0.07 dex
Mission
K2: Observed in Campaigns 5, 18
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source Howard et al. 2025 Thygesen et al. 2023 Castro-González et al. 2022 TICv8 Korth et al. 2019 Livingston et al. 2018 Gaia DR2 Mayo et al. 2018 Kruse et al. 2019 Petigura et al. 2018 ExoFOP Pope et al. 2016
Teff
(K)
5166.0±100.0 5365.0±92.0
5306+45-40
5368.000+123.457-130.564
 5110±107 5358±65
5375.50+27.25-21.25
 5263.0±50.0 --- --- 5368.00±127.01 ---
Metallicity
(dex)
-0.710±0.045 [Fe/H]
-0.578+0.079-0.080
[Fe/H]
-0.50+0.07-0.06
[Fe/H] 		--- -0.65±0.10 [Fe/H] -0.54±0.06 [Fe/H] --- -0.59±0.08 [Fe/H] --- --- --- ---
M✶
(M⦿)
0.67±0.02
0.735+0.035-0.029
0.72+0.04-0.03
0.9300000+0.1238710-0.1163040
 0.71±0.03 0.72±0.03 ---
0.730322 +0.020348-0.021723
--- --- --- ---
R✶
(R⦿)
0.638±0.020
0.719+0.025-0.023
 0.72±0.01
0.6974390+0.0389663-0.0389432
 0.69±0.02 0.72±0.01
0.68674410+0.00546190-0.00691003
0.681111 +0.021030-0.016198
0.6867 +0.0069-0.0055
0.65 0.697439014911652±0.038954700000000 ---
log g
(log10(cm/s2))
4.630±0.081
4.591+0.034-0.033
 4.57±0.03
4.7195400+0.0955389-0.0784182
 4.3±0.2 4.58±0.03 --- 4.7±0.1 --- --- 4.7195400±0.0869785 ---
L✶
(log10(L⦿))
---
-0.413+0.015-0.016
 ---
-0.4390428+0.0123907-0.0156368
 --- ---
-0.45003998+0.00528910-0.00535428
 --- --- --- --- ---
ρ✶
(g/cm3)
---
2.79+0.31-0.28
 ---
3.8648273+1.0237722-0.8190668
 3.039±0.393
3.375+2.044-1.462
 --- --- --- --- --- ---
γ
(km/s)
--- --- --- --- -76.855±0.001 --- --- --- --- --- --- ---
v sin i
(km/s)
0.10±1.00 --- --- --- 2.1±1.0 --- --- --- --- --- --- ---
Age
(Gyr)
---
7.50+4.40-4.70
 --- ---
9.50+4.00-5.60
 --- --- --- --- --- --- ---
Sp. T
--- --- --- --- K2 V --- --- --- --- --- --- ---
Prot
(days)
--- --- --- --- 15.7±7.5 --- --- --- --- --- --- ---
S Index
0.2003 --- --- --- --- --- --- --- --- --- --- ---
CAII LOG RHK
-4.916 --- --- --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
K2 Names
K2 Planets and Candidates
Transit
Source Thygesen et al. 2023 Howard et al. 2025 Castro-González et al. 2022 Korth et al. 2019 Livingston et al. 2018 Mayo et al. 2018 Kruse et al. 2019 Petigura et al. 2018 ExoFOP Pope et al. 2016
b
0.33+0.17-0.20
 ---
0.46+0.33-0.31
 0.4±0.2
0.42+0.32-0.28
 --- ---
0.63 +0.38-0.43
--- 0
P
(days)
8.865663+0.000011-0.000010
 8.8656±0.0004
8.8656511+0.0000151-0.0000152
 8.8665±0.0003
8.867209+0.001068-0.001016
8.865932 +0.000322-0.000326
8.86638 +0.00044-0.00041
8.867259 +0.001170-0.001599
8.86528860869203±0.00018843426000 8.866
Rp/R✶
0.03141+0.00069-0.00055
 ---
0.0320+0.0031-0.0011
 0.0297±0.0008
0.0294+0.0024-0.0017
0.032441 +0.002584-0.001259
0.0335 +0.0024-0.0046
0.0615 +0.0829-0.0279
--- 0.032056
δ
(%)
0.09870+0.00440-0.00340
 --- --- 0.12±0.05 --- --- 0.1189±0.0032 --- 0.169994422117774±0.036267640000000 0.1028
T14
(hours)
2.8488+0.0480-0.0456
 --- --- 2.98±0.07 --- ---
2.95200+0.12000-0.16800
0.300000+1.180800-0.199200
 3.29045177249489±0.56824654000000 2.67888
TC
(days)
2457489.15660+0.00078-0.00076
(BJD-TDB)
2457143.3945±0.0023
(BJD)
2457143.3959512+0.0012311-0.0011967
(BJD)
2457143.390±0.002
(BJD)
2457143.38934+0.00448-0.00453
(BJD)
2457143.3955 +0.001619-0.001587
2457143.3922 +0.0018-0.0022
(BJD)
2457143.35797 +0.019987-0.011485
(BJD)
2459235.70675800±0.00846432
(BJD)
2457143.397
(BJD)
a/R✶
22.63+0.82-0.79
 ---
21.93+2.36-6.55
 22.2±1.9
24.12+2.86-6.05
21.600908 +2.815460-6.289899
19.7 +7.1-4.0
--- --- ---
Teq
(K)
797.5+8.4-8.5
 672.0±17.0
802+55-41
 729±49 731±11 --- --- --- 691.337612714714 ---
Rp
(R⨁)
2.466+0.110-0.096
2.13+0.11-0.05
2.52+0.24-0.10
 2.24±0.12 2.31±0.16
2.41012773202 +0.205917892961-0.109730591442
2.51 +0.18-0.35
4.4 +5.9-2.0
4.28539694162051±6.51906440000000 ---
Rp
(RJup)
0.2200+0.0098-0.0086
0.190+0.010-0.004
0.225+0.021-0.009
 0.200±0.011 0.206±0.014
0.2150171944 +0.0183707639-0.0097895077
0.224 +0.016-0.031
0.39 +0.53-0.18
0.382318165791873±0.581592972142418 ---
a
(au)
0.0756+0.0012-0.0010
 ---
0.0734+0.0080-0.0219
 0.075±0.001 0.0753±0.0010 --- --- --- --- ---
ω
(deg)
130.0+120.0-110.0
 --- --- 90 --- --- --- --- --- ---
Mp
(M⨁)
11.4+2.4-2.2
 9.40±2.20 --- 11±2 --- --- --- --- --- ---
Mp
(MJup)
0.0359+0.0075-0.0068
 0.0296±0.0069 --- 0.036±0.006 --- --- --- --- --- ---
e
0.0750+0.0800-0.0510
 --- --- 0 --- --- --- --- --- ---
i
(deg)
89.15+0.51-0.38
 --- --- 88.9±0.7 ---
88.729678 +0.950108-1.682103
--- --- --- ---
ρ
(g/cm3)
4.16+1.10-0.92
4.6+1.4-1.2
 --- 5.6±1.9 --- --- --- --- --- ---
K
(m/s)
4.36+0.90-0.82
 --- --- 4.4±0.7 --- --- --- --- --- ---
S
(S⨁)
---
48.3+5.2-4.7
 --- 67±14 --- --- --- --- 53.9860738232294 ---
Print
Known Objects
1 Confirmed Planets
2 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 Time Series
1 Associated Literature Data
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  • Candidate
  • False Positive Planet
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  • Aliases
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  • Kepler | K2
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