KOI-8263 | NASA Exoplanet Archive

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
KOI-8263
KOI-8263.01	280.56 d	---	Transit	2017	Q1-Q17 DR25 KOI Table	Candidate Planet

KOI-8263 Stellar Parameters (4 Solutions)

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RA: 19h17m18.22s

Dec: +41d44m59.60s

Distance: 1736.51+85.86-78.28
pc

Parallax: 0.5470870±0.0270056 mas

Ecliptic Latitude: 62.99613 deg

Ecliptic Longitude: 302.93714 deg

Galactic Latitude: 13.2295 deg

Galactic Longitude: 73.33335 deg

Total Proper Motion: 5.9220587±0.0505463 mas/yr

Proper Motion (RA): -1.1732800±0.0443869 mas/yr

Proper Motion (Dec): -5.8046700±0.0507821 mas/yr

Photometry: m_V
15.049±0.137; m_TESS
14.6573±0.0087; m_J
14.015±0.026; m_H
13.694±0.034; m_Ks
13.653±0.043; m_Kep
15.160; m_W1
13.676±0.025; m_W2
13.719±0.035; m_W3
12.665; m_W4
9.291; m_Gaia
15.106400±0.000381; m_B
15.824±0.017; m_g
15.572; m_i
14.983; m_r
15.100; m_z
14.918

Mission

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; KOI; Kepler Stellar Data; Kepler Positional Probabilities; Q1-Q17 DR25 False Positive Probabilities; Kepler Certified False Positive; Q1-Q16 DR25 TCE; Kepler Time Series; Kepler TCE Time Series

Source	TICv8	Latham et al. 2005	Q1-Q17 DR25 Supplemental KOI Table	Q1-Q17 DR25 KOI Table
T_eff (K)	5912.0±122.0	6007	---	6292 +174-240
Metallicity (dex)	---	-0.075 [Fe/H]	---	-0.08 +0.25-0.3 [Fe/H]
R_✶ (R_⦿)	1.46104	0.967	---	1.078 +0.361-0.12
log g (log₁₀(cm/s²))	4.14217	4.50	---	4.426 +0.054-0.216
L_✶ (log₁₀(L_⦿))	0.3709583	---	---	---
ρ_✶ (g/cm³)	0.4882031	---	---	1.20227 +0.11547-0.81612
M_✶ (M_⦿)	1.08	---	---	1.129±0.156

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KOI-8263.01 Candidate Planet Parameters (2 Solutions)

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Status: Candidate Planet
Detected By: Transit

Tools: Transit Prediction Service; KOI

Source	Q1-Q17 DR25 Supplemental KOI Table	Q1-Q17 DR25 KOI Table
P (days)	280.55544±0.02526	280.55544±0.02526
T_C (days)	2455141.032±0.0404	2455141.032±0.0404
a/R_✶	---	171±16.4
T_eq (K)	---	308
b	---	0.031 +0.419-0.031
S (S_⨁)	---	2.13 +2.11-0.69
e	---	0
i (deg)	---	89.99
R_p (R_⨁)	---	2.17 +0.72-0.24
R_p (R_Jup)	---	0.194+0.064-0.021
R_p/R_✶	---	0.018404 +0.001841-0.00063
a (au)	---	.8742
δ (%)	---	0.04014±0.00484
T₁₄ (hours)	---	12.757±0.723

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Ancillary Information (7 Unique Files, 2 Candidate Records)

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+ KOI-8263 (4 File Types, 7 Files)

Kepler Detection Products (4 File Types, 7 Files)

Kepler Pipeline Data Validation Reports	q1_q17_dr25_tce
Kepler Pipeline Data Validation Summaries	q1_q17_dr25_tce
Kepler TCERT Reports	q1_q17_dr25_tce
Kepler Planet Detection Metrics	q1_q17_dr24_stellar	q1_q17_dr24_stellar	q1_q17_dr25_stellar	q1_q17_dr25_stellar

+ KOI-8263.01 (1 File Type, 1 File)

Kepler Detection Products

Kepler Pipeline Data Validation Summaries	q1_q17_dr25_tce

Kepler Object of Interest

+ KOI-8263.01 (2 Candidate Records)

KepID	6356506	6356506
KOI Name	K08263.01	K08263.01
Exoplanet Archive Disposition	CANDIDATE	CANDIDATE
Vetting Status	Done	Done
Date of Last Parameter Update	2018-08-16	2017-08-31
Disposition Using Kepler Data	CANDIDATE	CANDIDATE
Not Transit-Like False Positive Flag	0	0
Stellar Eclipse False Positive Flag	0	0
Centroid Offset False Positive Flag	0	0
Ephemeris Match Indicates Contamination False Positive Flag	0	0
Disposition Provenance	q1_q17_dr25_sup_koi	q1_q17_dr25_koi
Orbital Period [days]	280.55544±0.02526	280.55544±0.02526
Transit Epoch [BKJD]	308.0323±0.0404	308.0323±0.0404
Transit Epoch [BJD]	2455141.032±0.0404	2455141.032±0.0404
Parameters Provenance	q1_q17_dr25_sup_koi	q1_q17_dr25_koi
Number of Planets	1	1
TCE Delivery	q1_q17_dr25_tce	q1_q17_dr25_tce
Link to DV Report	kplr006356506-20160209194854_dvr.pdf	kplr006356506-20160209194854_dvr.pdf
RA [decimal degrees]	289.32592999999997	289.32592999999997
Dec [decimal degrees]	41.749939	41.749939
Kepler-band [mag]	15.16	15.16
g'-band [mag]	15.572000000000001	15.572000000000001
r'-band [mag]	15.1	15.1
i'-band [mag]	14.983	14.983
z'-band [mag]	14.918000000000001	14.918000000000001
J-band [mag]	14.015	14.015
H-band [mag]	13.694	13.694
K-band [mag]	13.653	13.653
Disposition Score	---	0.29100000000000004
Comment	---	CENT_FEW_DIFFS
Eccentricity	---	0
Impact Parameter	---	0.031 +0.419-0.031
Transit Duration [hrs]	---	12.757±0.723
Transit Depth [ppm]	---	401.4±48.4
Planet-Star Radius Ratio	---	0.018404 +0.001841-0.00063
Fitted Stellar Density [g/cm**3]	---	1.20227 +0.11547-0.81612
Planetary Fit Type	---	LS+MCMC
Planetary Radius [Earth radii]	---	2.17 +0.72-0.24
Orbit Semi-Major Axis [au]	---	.8742
Inclination [deg]	---	89.99
Equilibrium Temperature [K]	---	308
Insolation Flux [Earth flux]	---	2.13 +2.11-0.69
Planet-Star Distance over Star Radius	---	171±16.4
Limb Darkening Model	---	Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4	---	0.0
Limb Darkening Coeff. 3	---	0.0
Limb Darkening Coeff. 2	---	0.302
Limb Darkening Coeff. 1	---	0.319
Maximum Single Event Statistic	---	6.418247
Maximum Multiple Event Statistic	---	8.621673999999999
Transit Signal-to-Noise	---	9.3
Number of Transits	---	5
TCE Planet Number	---	1
Quarters	---	11111111111111111000000000000000
Odd-Even Depth Comparision Statistic	---	0.6584
Transit Model	---	Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary	---	kplr006356506-001-20160209194854_dvs.pdf
Stellar Effective Temperature [K]	---	6292 +174-240
Stellar Surface Gravity [log10(cm/s**2)]	---	4.426 +0.054-0.216
Stellar Metallicity [dex]	---	-0.08 +0.25-0.3
Stellar Radius [Solar radii]	---	1.078 +0.361-0.12
Stellar Mass [Solar mass]	---	1.129±0.156
Stellar Parameter Provenance	---	q1_q17_dr25_stellar
FW Offset Significance [percent]	---	0.637
FW Source α(OOT) [hrs]	---	19.28836±0.000058
FW Source δ(OOT) [deg]	---	41.74977±0.00069
FW Source Δα(OOT) [sec]	---	-1.4±2.3
FW Source Δδ(OOT) [arcsec]	---	-0.6±2.5
FW Δα(OOT) [sec]	---	0.0005±0.00083
FW Δδ(OOT) [arcsec]	---	0.0002±0.00089
PRF Δα_SQ(OOT) [arcsec]	---	0.2±0.39
PRF Δδ_SQ(OOT) [arcsec]	---	-0.29±0.79
PRF Δθ_SQ(OOT) [arcsec]	---	0.35±0.68
PRF Δα_SQ(KIC) [arcsec]	---	0.17±0.4
PRF Δδ_SQ(KIC) [arcsec]	---	-0.4±0.83
PRF Δθ_SQ(KIC) [arcsec]	---	0.43±0.77

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Kepler Objects of Interest (KOIs); 1 Threshold Crossing Events (TCEs); 7 2MASS Point Source Catalog

Data Files: 1 Kepler Time Series; 1 SuperWASP Time Series

Bibliography (6 References)

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The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Kepler KOI delivery, Q1-Q17 DR25 supplement
Q1-Q17 DR25 Supplemental KOI Table
Kepler KOI delivery, Q1-Q17 DR25
Q1-Q17 DR25 KOI Table
All WISE Data Release
Cutri et al. 2014 Reference Overview
The Kepler Input Catalog
Latham et al. 2005 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview

Legend

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System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
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Transit Prediction Service
Time Series
Kepler | K2

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KOI-8263 Overview

KOI-8263 Architecture & Discovery Information