K2-268 Overview

K2-268 0.77 R_⦿ 5006.27 K

K2-268 b

0.134 R_Jup

K2-268 d

0.133 R_Jup

K2-268 e

0.119 R_Jup

K2-268 c

0.240 R_Jup

K2-268 f

0.199 R_Jup

Overview Notes System Parameters Nearby Data Legend

Architecture: K2-268; K2-268

Other Data: Bibliography 12; Exoplanet Archive Notes 3; Nearby Data 5

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
K2-268	K2-268 b	Transit	2018	Livingston et al. 2018	Confirmed Planet
K2-268	K2-268 d	Transit	2019	Kruse et al. 2019	Confirmed Planet
K2-268	K2-268 e	Transit	2019	Kruse et al. 2019	Confirmed Planet
K2-268	K2-268 c	Transit	2018	Livingston et al. 2018	Confirmed Planet
K2-268	K2-268 f	Transit	2019	Kruse et al. 2019	Confirmed Planet

Exoplanet Archive Notes (3)

K2-268

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

K2-268 b

Candidate identifier changed to match previous publication. (Kruse et al. 2019)

K2-268 d

Candidate identifier changed to match previous publication. (Kruse et al. 2019)

K2-268 Stellar Parameters (10 Solutions)

RA: 08h54m50.28s

Dec: +11d50m53.78s

Distance: 327.783+3.236-3.175
pc

Parallax: 3.0221400±0.0296087 mas

Ecliptic Latitude: -5.33795 deg

Ecliptic Longitude: 132.7793 deg

Galactic Latitude: 32.70262 deg

Galactic Longitude: 216.0731 deg

Total Proper Motion: 8.1952795±0.0497078 mas/yr

Proper Motion (RA): -8.1943800±0.0497106 mas/yr

Proper Motion (Dec): 0.1214180±0.0344947 mas/yr

Photometry: m_V
13.848±0.114; m_TESS
12.986±0.006; m_J
12.158±0.021; m_H
11.720±0.028; m_Ks
11.639±0.023; m_Kep
13.539; m_W1
11.584±0.023; m_W2
11.651±0.022; m_W3
11.810±0.281; m_W4
8.817; m_Gaia
13.562700±0.000175; m_B
14.775±0.138; m_g
15.4095000±0.0074005; m_i
15.0370000±0.0121596; m_r
13.6166000±0.0019052; m_u
16.3424000±0.0068975; m_z
13.7656000±0.0058749

Mission: K2 : Observed in Campaigns 5, 16, 18

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

Source	de Leon et al. 2021	TICv8	Livingston et al. 2018	Gaia DR2	Kruse et al. 2019	Kruse et al. 2019	Petigura et al. 2018	Nardiello et al. 2016	Pope et al. 2016	Barros et al. 2016	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	5106+70-61	5035.990+120.990-124.995	5068±51	5006.267+118.563-80.457	---	---	---	---	---	---
L_✶ (log₁₀(L_⦿))	---	-0.4294238+0.0172003-0.0166248	---	-0.47140171+0.01023574-0.01048281	---	---	---	---	---	---
R_✶ (R_⦿)	0.78±0.02	0.8012550+0.0630643-0.0389206	0.78±0.01	0.7725450+0.0254432-0.0353322	0.773 +0.035-0.025	0.773 +0.035-0.025	0.78	0.713	---	---
Metallicity (dex)	0.03±0.05 [Fe/H]	0.08480390±0.03746750 [M/H]	0.03±0.06 [Fe/H]	---	---	---	---	---	---	---
M_✶ (M_⦿)	0.84±0.02	0.8390000+0.1190600-0.0859555	0.84±0.02	---	---	---	---	---	---	---
log g (log₁₀(cm/s²))	4.58+0.02-0.03	4.5542900+0.0964259-0.0777817	4.59±0.01	---	---	---	---	---	---	---
ρ_✶ (g/cm³)	---	2.2993985+0.7002974-0.4595949	---	---	---	---	---	---	---	---
P_rot (days)	24.87±2.64	---	---	---	---	---	---	---	---	---

K2-268 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	de Leon et al. 2021	Livingston et al. 2018	Kruse et al. 2019	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	7.76+0.72-1.84	7.960+1.720-2.090	6.0 +2.6-1.2
T_eq (K)	1136+18-19	1121±14	---
b	0.42+0.33-0.30	0.43+0.33-0.30	---
P (days)	2.151676+0.000005-0.000006	2.151894+0.000393-0.000363	2.15228±0.00023
R_p (R_⨁)	1.50+0.12-0.07	1.41±0.14	1.61 +0.17-0.39
R_p (R_Jup)	0.134+0.011-0.006	0.126±0.012	0.144 +0.015-0.035
R_p/R_✶	0.0175+0.0014-0.0006	0.0167+0.0019-0.0015	0.0191 +0.0019-0.0045
a (au)	---	0.0308±0.0002	---
T_C (days)	2457143.654276+0.002437-0.002523	2457143.65197+0.00754-0.00771	2457141.4957 +0.0047-0.0045
δ (%)	---	---	0.0398 +0.0035-0.0038
T₁₄ (hours)	1.97+0.06-0.05	---	2.42400+0.21600-0.28800

K2-268 d Planetary Parameters (2 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	de Leon et al. 2021	Kruse et al. 2019	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	12.57+1.18-3.32	10.9 +3.6-1.8
P (days)	4.528598+0.000016-0.000015	4.52905 +0.00051-0.00058
R_p (R_⨁)	1.49+0.14-0.07	1.85 +0.16-0.30
R_p (R_Jup)	0.133+0.012-0.006	0.165 +0.014-0.03
R_p/R_✶	0.0173+0.0016-0.0006	0.0220 +0.0016-0.0035
δ (%)	---	0.0531 +0.003-0.0031
T₁₄ (hours)	2.57+0.12-0.10	2.83200+0.19200-0.24000
T_C (days)	2457143.974654+0.003182-0.003300	2457143.9728 +0.0049-0.0043
T_eq (K)	888+16-15	---
b	0.40+0.35-0.28	---

K2-268 e Planetary Parameters (2 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	de Leon et al. 2021	Kruse et al. 2019	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	16.93+1.89-4.06	17.1 +5.6-2.4
P (days)	6.131243+0.000032-0.000033	6.13174 +0.00059-0.00062
R_p (R_⨁)	1.33+0.11-0.08	1.72 +0.12-0.21
R_p (R_Jup)	0.119+0.010-0.007	0.153 +0.011-0.019
R_p/R_✶	0.0155+0.0013-0.0008	0.0204 +0.0011-0.0024
δ (%)	---	0.0436 +0.0026-0.0027
T₁₄ (hours)	2.54+0.14-0.13	2.44800+0.12000-0.14400
T_C (days)	2457142.343959+0.004850-0.004706	2457142.3404 +0.0037-0.0036
T_eq (K)	801±13	---
b	0.42+0.32-0.28	---

K2-268 c Planetary Parameters (7 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	de Leon et al. 2021	Livingston et al. 2018	Kruse et al. 2019	Petigura et al. 2018	Nardiello et al. 2016	Pope et al. 2016	Barros et al. 2016	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	17.17+4.82-9.46	23.41+3.40-7.38	8.4 +2.0-8.9	---	---	---	---
T_eq (K)	696+12-13	688±8	---	---	---	---	---
b	0.65+0.30-0.45	0.44+0.36-0.30	---	0.81 +0.24-0.53	---	0	---
P (days)	9.327527+0.000021-0.000020	9.326841+0.001532-0.001617	9.32705±0.00061	9.326100 +0.001564-0.001524	9.325429±0.001094	9.325	9.33155684
R_p (R_⨁)	2.69+0.77-0.21	2.69±0.24	3.63 +0.89-1.32	3.1 +4.9-0.5	2.14	---	---
R_p (R_Jup)	0.240+0.069-0.019	0.240±0.021	0.324 +0.079-0.118	0.28 +0.44-0.04	0.191	---	---
R_p/R_✶	0.0312+0.0091-0.0022	0.0318+0.0036-0.0020	0.043 +0.010-0.016	0.0368 +0.0579-0.0063	0.0275±0.0007	0.030376	---
a (au)	---	0.0819±0.0006	---	---	---	---	---
T_C (days)	2457140.846650+0.002133-0.002101	2457150.17220+0.00465-0.00453	2457140.8461±0.0027	2457150.17132 +0.004026-0.003997	2457150.18089±0.002211	2457140.855	2457150.189546
i (deg)	---	---	---	---	88.71±0.12	---	---
δ (%)	---	---	0.1239 +0.0048-0.005	---	0.081±0.007	0.0923	0.134±1426.191
T₁₄ (hours)	3.35+0.62-0.11	---	4.08000+0.43200-0.38400	2.81040+0.36000-0.30960	---	2.87688	3.95000+0.47400-0.47400

K2-268 f Planetary Parameters (2 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	de Leon et al. 2021	Kruse et al. 2019	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	41.41+3.15-8.33	36.1 +14.1-6.9
P (days)	26.270570+0.000105-0.000109	26.2678 +0.0060-0.0031
R_p (R_⨁)	2.23+0.15-0.09	2.60 +0.22-0.44
R_p (R_Jup)	0.199+0.013-0.008	0.23 +0.020-0.039
R_p/R_✶	0.0259+0.0017-0.0008	0.0309 +0.0022-0.0052
δ (%)	---	0.1025±0.0059
T₁₄ (hours)	4.62+0.13-0.11	4.84800+0.24000-0.48000
T_C (days)	2457142.191739+0.003964-0.003853	2457142.1943 +0.0043-0.0039
T_eq (K)	492+8-10	---
b	0.39+0.29-0.27	---

Nearby Data (5 Data Types within 30 arcseconds)

Known Objects: 5 Confirmed Planets; 3 K2 Targets; 1 2MASS Point Source Catalog

Data Files: 2 K2 Time Series; 5 Associated Literature Data

Bibliography (12 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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