KOI-8276 | NASA Exoplanet Archive

Host	Planet	Method	Year	Reference	Disposition
KOI-8276	KOI-8276.01	Transit	2017	Q1-Q17 DR25 KOI Table	Candidate Planet

KOI-8276 Stellar Parameters (4 Solutions)

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RA: 19h45m37.89s

Dec: +44d46m25.05s

Distance: 1037.190±19.695 pc

Parallax: 0.9355940±0.0181645 mas

Ecliptic Latitude: 64.04044 deg

Ecliptic Longitude: 316.16051 deg

Galactic Latitude: 9.97063 deg

Galactic Longitude: 78.44684 deg

Total Proper Motion: 3.2071204±0.0298749 mas/yr

Proper Motion (RA): 3.082110±0.029535 mas/yr

Proper Motion (Dec): -0.8866900±0.0337121 mas/yr

Photometry: m_V
14.076±0.080; m_TESS
13.5607±0.0081; m_J
12.986±0.022; m_H
12.758±0.018; m_Ks
12.693±0.023; m_Kep
13.993; m_W1
12.717±0.024; m_W2
12.759±0.024; m_W3
12.796±0.356; m_W4
9.312; m_Gaia
13.944500±0.000241; m_B
14.865±0.157; m_g
14.309; m_i
13.858; m_r
13.936; m_z
13.824

Mission

Tools: 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	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	6520.95±35.88	6333	---	6551 +149-216
L_✶ (log₁₀(L_⦿))	0.4153447	---	---	---
Metallicity (dex)	-0.022±0.034 [M/H]	-0.082 [Fe/H]	---	-0.08 +0.25-0.3 [Fe/H]
ρ_✶ (g/cm³)	0.9357525	---	---	0.27541 +1.81848-0.22919
M_✶ (M_⦿)	1.34	---	---	1.215±0.17
R_✶ (R_⦿)	1.26387	0.974	---	1.195 +0.372-0.149
log g (log₁₀(cm/s²))	4.36177	4.51	---	4.367 +0.065-0.195

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KOI-8276.01 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
a/R_✶	---	129.4±61
T_eq (K)	---	300
b	---	0.877 +0.091-0.63
S (S_⨁)	---	1.92 +1.69-0.63
e	---	0
i (deg)	---	89.61
P (days)	385.858683±0.005261	385.858683±0.005261
R_p (R_⨁)	---	3.23 +1-0.41
R_p/R_✶	---	0.024721 +0.000339-0.003734
a (au)	---	1.1068
δ (%)	---	0.05484±0.00295
T₁₄ (hours)	---	12.071±0.331
T_C (days)	2455176.648±0.00907	2455176.648±0.00907

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Ancillary Information (7 Unique Files, 2 Candidate Records)

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+ KOI-8276 (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-8276.01 (1 File Type, 1 File)

Kepler Detection Products

Kepler Pipeline Data Validation Summaries	q1_q17_dr25_tce

Kepler Object of Interest

+ KOI-8276.01 (2 Candidate Records)

KepID	8637903	8637903
KOI Name	K08276.01	K08276.01
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]	385.858683±0.005261	385.858683±0.005261
Transit Epoch [BKJD]	343.64827±0.00907	343.64827±0.00907
Transit Epoch [BJD]	2455176.648±0.00907	2455176.648±0.00907
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	kplr008637903-20160209194854_dvr.pdf	kplr008637903-20160209194854_dvr.pdf
RA [decimal degrees]	296.40787	296.40787
Dec [decimal degrees]	44.77364	44.77364
Kepler-band [mag]	13.993	13.993
g'-band [mag]	14.309000000000001	14.309000000000001
r'-band [mag]	13.936	13.936
i'-band [mag]	13.858	13.858
z'-band [mag]	13.824	13.824
J-band [mag]	12.986	12.986
H-band [mag]	12.758000000000001	12.758000000000001
K-band [mag]	12.693000000000001	12.693000000000001
Disposition Score	---	0.541
Comment	---	NO_COMMENT
Eccentricity	---	0
Impact Parameter	---	0.877 +0.091-0.63
Transit Duration [hrs]	---	12.071±0.331
Transit Depth [ppm]	---	548.4±29.5
Planet-Star Radius Ratio	---	0.024721 +0.000339-0.003734
Fitted Stellar Density [g/cm**3]	---	0.27541 +1.81848-0.22919
Planetary Fit Type	---	LS+MCMC
Planetary Radius [Earth radii]	---	3.23 +1-0.41
Orbit Semi-Major Axis [au]	---	1.1068
Inclination [deg]	---	89.61
Equilibrium Temperature [K]	---	300
Insolation Flux [Earth flux]	---	1.92 +1.69-0.63
Planet-Star Distance over Star Radius	---	129.4±61
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	---	0.3103
Limb Darkening Coeff. 1	---	0.2947
Maximum Single Event Statistic	---	4.86515
Maximum Multiple Event Statistic	---	7.5261946
Transit Signal-to-Noise	---	21.2
Number of Transits	---	3
TCE Planet Number	---	1
Quarters	---	11111111111111111000000000000000
Odd-Even Depth Comparision Statistic	---	0.7385
Transit Model	---	Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary	---	kplr008637903-001-20160209194854_dvs.pdf
Stellar Effective Temperature [K]	---	6551 +149-216
Stellar Surface Gravity [log10(cm/s**2)]	---	4.367 +0.065-0.195
Stellar Metallicity [dex]	---	-0.08 +0.25-0.3
Stellar Radius [Solar radii]	---	1.195 +0.372-0.149
Stellar Mass [Solar mass]	---	1.215±0.17
Stellar Parameter Provenance	---	q1_q17_dr25_stellar
FW Offset Significance [percent]	---	0.642
FW Source α(OOT) [hrs]	---	19.760519±0.000017
FW Source δ(OOT) [deg]	---	44.7737±0.00016
FW Source Δα(OOT) [sec]	---	-0.22±0.65
FW Source Δδ(OOT) [arcsec]	---	0.23±0.57
FW Δα(OOT) [sec]	---	0.00011±0.00038
FW Δδ(OOT) [arcsec]	---	-0.00013±0.00035
PRF Δα_SQ(OOT) [arcsec]	---	0.41±0.15
PRF Δδ_SQ(OOT) [arcsec]	---	-0.519±0.079
PRF Δθ_SQ(OOT) [arcsec]	---	0.66±0.13
PRF Δα_SQ(KIC) [arcsec]	---	0.39±0.17
PRF Δδ_SQ(KIC) [arcsec]	---	-0.516±0.092
PRF Δθ_SQ(KIC) [arcsec]	---	0.65±0.16