K2-284 Overview

K2-284 0.61 R_⦿ 4140.00 K

K2-284 b

0.248 R_Jup

Overview Notes System Parameters Nearby Data Legend

Architecture: K2-284; K2-284

Other Data: Bibliography 8; Exoplanet Archive Notes 1; Nearby Data 5

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
K2-284	K2-284 b	Transit	2018	David et al. 2018	Confirmed Planet

Exoplanet Archive Notes (1)

K2-284 b

Planet parameters drawn from Table 3, model Fit 2 in ref. Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (David et al. 2018)

K2-284 Stellar Parameters (4 Solutions)

RA: 05h16m33.79s

Dec: +20d15m17.65s

Distance: 107.272+0.502-0.497
pc

Parallax: 9.2934600±0.0430569 mas

Ecliptic Latitude: -2.80098 deg

Ecliptic Longitude: 79.80354 deg

Galactic Latitude: -10.25307 deg

Galactic Longitude: 183.72406 deg

Total Proper Motion: 52.3005010±0.0650686 mas/yr

Proper Motion (RA): 25.0003000±0.0822522 mas/yr

Proper Motion (Dec): -45.9383000±0.0590269 mas/yr

Photometry: m_V
13.265±0.206; m_TESS
12.0394±0.0062; m_J
10.868±0.024; m_H
10.206±0.025; m_Ks
10.058±0.018; m_Kep
12.811; m_W1
9.975±0.023; m_W2
10.007±0.020; m_W3
9.902±0.060; m_W4
8.961; m_Gaia
12.8598±0.0011; m_B
14.713±0.006; m_g
---; m_i
---; m_r
---

Mission: K2 : Observed in Campaign 13

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

Source	TICv8	David et al. 2018	Gaia DR2	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	4072.000+127.277-120.096	4140±50	4089.5500+164.3860-95.0927	4072.0±123.7
L_✶ (log₁₀(L_⦿))	-0.9826932+0.0362284-0.0306806	-1.01+0.02-0.02	-1.010191+0.003156-0.003179	---
Metallicity (dex)	---	0.0±0.1 [Fe/H]	---	---
γ (km/s)	---	16.96±0.19	18.472888046858291±1.842027839509325	---
v sin i (km/s)	---	3.54±0.50	---	---
Age (Gyr)	---	0.120+0.640-0.020	---	---
ρ_✶ (g/cm³)	3.2978657+0.9894387-1.1942794	3.91+1.07-0.88	---	---
M_✶ (M_⦿)	0.6370000+0.0652827-0.0979249	0.63±0.01	---	---
R_✶ (R_⦿)	0.6481720+0.0647739-0.0564724	0.607±0.022	0.6225956+0.0299961-0.0471886	0.65±0.06
log g (log₁₀(cm/s²))	4.6188300+0.0998104-0.1189530	4.67±0.01	---	4.62±0.11
P_rot (days)	---	8.88±0.40	---	---

K2-284 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	David et al. 2018	Kokori et al. 2023	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eq (K)	653+16-14	---	919
S (S_⨁)	42.6±1.8	---	118.638
P (days)	4.795069±0.000086	4.7948599±0.0000050	4.7948642±0.0000063
R_p (R_⨁)	2.78+0.14-0.12	---	3.398500±0.328165
R_p (R_Jup)	0.248+0.012-0.011	---	0.3031944±0.0292770
δ (%)	---	---	0.2280000±0.0109093
T₁₄ (hours)	2.147+0.050-0.045	---	2.245±0.325
T_C (days)	2457859.11316+0.00043-0.00042	2458146.80246±0.00062	2460251.750696±0.003060
a/R_✶	16.84+0.62-0.70	16.84+0.62-0.70	---
b	0.28±0.19	---	---
ω (deg)	180.2+126.4-129.6	180.2+126.4-129.6	---
e	0.0780+0.1080-0.0550	0.0780+0.1080-0.0550	---
i (deg)	89.00+0.65-0.62	89.00+0.65-0.62	---
R_p/R_✶	0.0420+0.0013-0.0011	0.0420±0.0013	---
a (au)	0.04771±0.00025	---	---

Nearby Data (5 Data Types within 30 arcseconds)

Known Objects: 1 Confirmed Planets; 1 K2 Targets; 3 2MASS Point Source Catalog

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

Bibliography (8 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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