K2-180 | NASA Exoplanet Archive

Host	Planet	Method	Year	Reference	Disposition
K2-180	K2-180 b	Transit	2018	Mayo et al. 2018	Confirmed Planet

Exoplanet Archive Notes (1)

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K2-180 b

Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Korth et al. 2019)

K2-180 Stellar Parameters (11 Solutions)

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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: m_V
12.557±0.046; m_TESS
11.8964±0.0060; m_J
11.146±0.023; m_H
10.747±0.026; m_Ks
10.677±0.026; m_Kep
12.393; m_W1
10.619±0.023; m_W2
10.667±0.023; m_W3
10.599±0.099; m_W4
8.927; m_Gaia
12.4039±0.0002; m_B
13.334±0.009; m_g
15.3888000±0.0109563; m_i
14.5213000±0.0095595; m_r
14.9587000±0.0103022; m_u
15.2991000±0.0065822; m_z
13.684600±0.008919

Mission: K2 : Observed in Campaigns 5, 18

Tools: ExoFOP Target Overview Page; IRSA Finding Chart; TOI; K2 Names; K2 Planets and Candidates; K2 Targets; Stellar Hosts; K2 Time Series

Source	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-TESS TOI	Pope et al. 2016	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	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	---
L_✶ (log₁₀(L_⦿))	-0.413+0.015-0.016	---	-0.4390428+0.0123907-0.0156368	---	---	-0.45003998+0.00528910-0.00535428	---	---	---	---	---
Metallicity (dex)	-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]	---	---	---	---
Age (Gyr)	7.50+4.40-4.70	---	---	9.50+4.00-5.60	---	---	---	---	---	---	---
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	---	---	---	---	---	---
M_✶ (M_⦿)	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_⦿)	0.719+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))	4.591+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	---
γ (km/s)	---	---	---	-76.855±0.001	---	---	---	---	---	---	---
v sin i (km/s)	---	---	---	2.1±1.0	---	---	---	---	---	---	---
Sp. T	---	---	---	K2 V	---	---	---	---	---	---	---
P_rot (days)	---	---	---	15.7±7.5	---	---	---	---	---	---	---

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K2-180 b Planetary Parameters (9 Solutions)

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Status: Confirmed Planet
Detected By: Radial Velocity, Transit

Tools: Transit Prediction Service; TOI; K2 Names; K2 Planets and Candidates; Transit

Source	Thygesen et al. 2023	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-TESS TOI	Pope et al. 2016	Show Candidate Solutions >>	<< Hide Candidate Solutions
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	---	---	---
i (deg)	89.15+0.51-0.38	---	88.9±0.7	---	88.729678 +0.950108-1.682103	---	---	---	---
P (days)	8.865663+0.000011-0.000010	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
R_p (R_⨁)	2.466+0.110-0.096	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	---
R_p (R_Jup)	0.2200+0.0098-0.0086	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	---
R_p/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
T_C (days)	2457489.15660+0.00078-0.00076	2457143.3959512+0.0012311-0.0011967	2457143.390±0.002	2457143.38934+0.00448-0.00453	2457143.3955 +0.001619-0.001587	2457143.3922 +0.0018-0.0022	2457143.35797 +0.019987-0.011485	2459235.70675800±0.00846432	2457143.397
T_eq (K)	797.5+8.4-8.5	802+55-41	729±49	731±11	---	---	---	691.337612714714	---
S (S_⨁)	---	---	67±14	---	---	---	---	53.9860738232294	---
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
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
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	---	---	---	---	---	---
M_p (M_⨁)	11.4+2.4-2.2	---	11±2	---	---	---	---	---	---
M_p (M_Jup)	0.0359+0.0075-0.0068	---	0.036±0.006	---	---	---	---	---	---
e	0.0750+0.0800-0.0510	---	0	---	---	---	---	---	---
ρ (g/cm³)	4.16+1.10-0.92	---	5.6±1.9	---	---	---	---	---	---
K (m/s)	4.36+0.90-0.82	---	4.4±0.7	---	---	---	---	---	---