K2-189 Overview

K2-189 0.87 R_⦿ 5468.00 K

K2-189 b

0.136 R_Jup

K2-189 c

0.223 R_Jup

Overview Notes System Parameters Nearby Data Legend

Architecture: K2-189; K2-189

Other Data: Bibliography 11; Exoplanet Archive Notes 6; Nearby Data 5

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
K2-189	K2-189 b	Transit	2018	Mayo et al. 2018	Confirmed Planet
K2-189	K2-189 c	Transit	2018	Mayo et al. 2018	Confirmed Planet

Exoplanet Archive Notes (6)

K2-189

Multiple stellar densities are derived in ref. (Livingston et al. 2018)

K2-189 b

Authors determine orbital period half that of previous literature value (Livingston et al. 2018)
Misidentified as EPIC 212394689.01 in reference (Mayo et al. 2018)
Candidate identifier changed to match previous publication. (Mayo et al. 2018)

K2-189 c

Misidentified as EPIC 212394689.02 in reference (Mayo et al. 2018)
Candidate identifier changed to match previous publication. (Mayo et al. 2018)

K2-189 Stellar Parameters (9 Solutions)

RA: 13h34m29.15s

Dec: -15d02m11.46s

Distance: 242.113+1.940-1.910
pc

Parallax: 4.1017300±0.0325947 mas

Ecliptic Latitude: -4.82414 deg

Ecliptic Longitude: 207.37463 deg

Galactic Latitude: 46.56042 deg

Galactic Longitude: 318.13687 deg

Total Proper Motion: 60.2307097±0.0556926 mas/yr

Proper Motion (RA): 28.4205000±0.0666025 mas/yr

Proper Motion (Dec): -53.1038000±0.0521489 mas/yr

Photometry: m_V
12.398±0.033; m_TESS
11.7537±0.0060; m_J
11.038±0.022; m_H
10.701±0.025; m_Ks
10.589±0.021; m_Kep
12.206; m_W1
10.550±0.023; m_W2
10.606±0.021; m_W3
10.558±0.075; m_W4
9.344; m_Gaia
12.253800±0.000208; m_B
13.016±0.470

Mission: K2 : Observed in Campaign 6

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

Source	TICv8	Livingston et al. 2018	Gaia DR2	Mayo et al. 2018	Kruse et al. 2019	Kruse et al. 2019	Petigura et al. 2018	Pope et al. 2016	Barros et al. 2016	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	5468.000+115.881-128.869	5519±67	5357.5000+32.1665-105.0000	5503.0±50.0	---	---	---	---	---
L_✶ (log₁₀(L_⦿))	-0.2185497+0.0141479-0.0146208	---	-0.23882641+0.00534749-0.00541415	---	---	---	---	---	---
ρ_✶ (g/cm³)	2.0723460+0.4338529-0.4744150	---	---	---	---	---	---	---	---
M_✶ (M_⦿)	0.95600000+0.15122500-0.08823960	0.94±0.03	---	0.927528 +0.023874-0.027470	---	---	---	---	---
R_✶ (R_⦿)	0.8664050+0.0609196-0.0289146	0.87±0.01	0.8816883+0.0356030-0.0104927	0.862285 +0.037806-0.026861	0.882 +0.010-0.036	0.882 +0.010-0.036	0.88	---	---
log g (log₁₀(cm/s²))	4.5430800+0.0770380-0.0817071	4.53±0.02	---	4.61±0.1	---	---	---	---	---
Metallicity (dex)	---	-0.0±0.1 [Fe/H]	---	-0.01±0.08 [Fe/H]	---	---	---	---	---
γ (km/s)	---	---	15.957005802216978±1.278028820155934	---	---	---	---	---	---

K2-189 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	Livingston et al. 2018	Mayo et al. 2018	Kruse et al. 2019	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	7.95+0.81-1.89	14.947174 +2.317404-4.976550	8.0 +2.6-1.1
T_eq (K)	1197±18	---	---
b	0.41+0.32-0.29	---	---
P (days)	2.588309+0.000221-0.000207	5.176300 +0.000407-0.000428	2.58819 +0.00014-0.00013
R_p (R_⨁)	1.52±0.09	1.51234354251 +0.15220172371-0.0956746599487	1.587 +0.098-0.238
R_p (R_Jup)	0.136±0.008	0.1349222538 +0.0135785283-0.0085355215	0.1416 +0.0087-0.0212
R_p/R_✶	0.0159+0.0011-0.0007	0.016079 +0.001457-0.000885	0.01650 +0.00100-0.00239
a (au)	0.0361±0.0004	---	---
T_C (days)	2457222.14350+0.00277-0.00280	2457253.20439 +0.001858-0.001749	2457219.5578 +0.0020-0.0021
δ (%)	---	---	0.03 +0.0014-0.0015
T₁₄ (hours)	---	---	2.22000+0.09360-0.11280
i (deg)	---	88.113365 +1.351186-2.824007	---

K2-189 c Planetary Parameters (6 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	Livingston et al. 2018	Mayo et al. 2018	Kruse et al. 2019	Petigura et al. 2018	Barros et al. 2016	Pope et al. 2016	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	18.17+1.37-3.63	17.032614 +2.861320-7.251072	17.0 +7.3-2.5	---	---	---
P (days)	6.679195+0.000383-0.000390	6.679340 +0.000245-0.000236	6.67913±0.00017	6.679224 +0.000371-0.000381	6.67773603	6.679
R_p (R_⨁)	2.50±0.12	2.48429818 +0.31526235783-0.138100141989	2.58 +0.14-0.41	2.6 +0.3-0.2	---	---
R_p (R_Jup)	0.223±0.011	0.2216342386 +0.0281258237-0.0123204694	0.230 +0.012-0.037	0.23 +0.03-0.02	---	---
R_p/R_✶	0.0262+0.0014-0.0008	0.026413 +0.003145-0.001216	0.0268 +0.0015-0.0041	0.0271 +0.0022-0.0009	---	0.025593
δ (%)	---	---	0.0784±0.0018	---	0.066±0.003	0.0655
T₁₄ (hours)	---	---	2.70000+0.07440-0.15120	2.70960+0.08880-0.07920	2.98600+0.23500-0.23500	2.42712
T_C (days)	2457223.41768+0.00243-0.00242	2457223.4181 +0.001444-0.001611	2457223.4198±0.0011	2457223.41757 +0.002322-0.002303	2457230.104786	2457223.42
T_eq (K)	872±13	---	---	---	---	---
b	0.37+0.30-0.26	---	---	0.46 +0.30-0.31	---	0.123
a (au)	0.0680±0.0007	---	---	---	---	---
i (deg)	---	88.183460 +1.306319-3.348375	---	---	---	---

Nearby Data (5 Data Types within 30 arcseconds)

Known Objects: 2 Confirmed Planets; 1 K2 Targets; 1 2MASS Point Source Catalog

Data Files: 1 K2 Time Series; 2 Associated Literature Data

Bibliography (11 References)

System

Star

Confirmed

Candidate

False Positive Planet

Controversial

False Positive

Aliases

Data Access

Transit Prediction Service

Time Series

Kepler | K2

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