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Kepler-1448 Overview

Kepler-1448 0.88 R⦿ 5854.00 K
Kepler-1448 b
0.144 RJup
Architecture
Kepler-1448
Kepler-1448
Kepler-1448 b
Other Data
Bibliography 14
Exoplanet Archive Notes 1
Nearby Data 7
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-1448 Kepler-1448 b Transit 2016 Morton et al. 2016 Confirmed Planet
Kepler-1448 b
  • Orbital period, transit mid-point, transit duration, Rp/Rs and their errors taken from DR24 KOI table. Planet radius error propagated from stellar radius error in ref. and Rp/Rs error. (Morton et al. 2016)
RA
19h11m28.18s
Dec
+50d35m44.10s
Distance
768.9030±10.2315 pc
Parallax
1.2717900±0.0171742 mas
Ecliptic Latitude
71.66813 deg
Ecliptic Longitude
308.25673 deg
Galactic Latitude
17.63876 deg
Galactic Longitude
81.3597 deg
Total Proper Motion
3.7797692±0.0356751 mas/yr
Proper Motion (RA)
-2.7997700±0.0320764 mas/yr
Proper Motion (Dec)
-2.5392800±0.0396122 mas/yr
Photometry
mV
14.592±0.115
mTESS
13.9250±0.0066
mJ
13.380±0.032
mH
12.948±0.031
mKs
12.932±0.034
mKep
14.411
mW1
12.875±0.026
mW2
12.916±0.026
mW3
12.734
mW4
9.406
mGaia
14.379600±0.000293
mB
14.661±0.036
mg
---
mi
---
mr
---
mz
---
Mission
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Kepler Names
KOI
Kepler Stellar Data
Kepler Positional Probabilities
Q1-Q17 DR25 False Positive Probabilities
Kepler Certified False Positive
Q1-Q16 DR25 TCE
Stellar Hosts
Kepler Time Series
Kepler TCE Time Series
Source TICv8 Berger et al. 2018 Gaia DR2 Morton et al. 2016 Latham et al. 2005 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5783.0900±35.1563 6089±213
5761.00+268.25-132.00
5774.000+89.881-66.695
 5854 ---
6075 +180-198
6075 +151-187
6075 +151-187
6075.00 +151.00-187.00
Metallicity
(dex)
-0.0302340±0.0337078 [M/H] --- ---
-0.160+0.176-0.210
[Fe/H] 		-0.086 [Fe/H] --- -0.12±0.3 [Fe/H]
-0.120 +0.220-0.300
[Fe/H]
-0.120 +0.220-0.300
[Fe/H]
-0.120 +0.220-0.300
[Fe/H]
R✶
(R⦿)
0.91981
0.886+0.068-0.061
0.9067288+0.0430241-0.0788885
0.9300+0.1170-0.0830
 0.878 ---
0.969 +0.315-0.084
0.969 +0.39-0.085
0.969 +0.39-0.085
0.9690 +0.3900-0.0850
log g
(log10(cm/s2))
4.5277 --- ---
4.490+0.054-0.102
 4.58 ---
4.486 +0.054-0.216
4.486 +0.043-0.288
4.486 +0.043-0.288
4.486 +0.043-0.288
L✶
(log10(L⦿))
-0.06926904 ---
-0.088358990+0.016119714-0.016741170
 --- --- --- --- --- --- ---
Age
(Gyr)
--- --- ---
3.55+3.85-1.93
 --- --- --- --- --- ---
M✶
(M⦿)
1.04 --- ---
0.9500+0.0580-0.0730
 --- --- 1.048±0.139
1.048 +0.169-0.126
1.048 +0.169-0.126
1.0480 +0.1690-0.1260
ρ✶
(g/cm3)
1.8841060 --- --- --- --- ---
4.00699 +3.13921-1.38211
3.52728 +0.43288-1.11844
3.52728 +0.43288-1.11844
3.52728 +0.43288-1.11844
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
Kepler Names
KOI
Transit
Source Morton et al. 2016 GajdoĊĦ et al. 2019 Berger et al. 2018 Holczer et al. 2016 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
P
(days)
12.27065865±5.885e-05 12.2705481176±0.0000665044 --- 12.27078741±0.00000948 12.27057043±6.863e-05 12.27057043±6.863e-05 12.27065865±5.885e-05 12.27065865±5.885e-05 12.27065865±5.885e-05
δ
(%)
--- --- --- 0.0319 --- 0.02955±0.00182 0.03165±0.00165 0.03165±0.00165 0.03165±0.00165
T14
(hours)
3.106±0.11 --- --- 3.2154 --- 3.002±0.13 3.106±0.11 3.106±0.11 3.106±0.11
TC
(days)
2454970.57044±0.00380 2454970.57239000±0.00442979 --- 2454970.560490±0.008589 2454970.574±0.00489 2454970.574±0.00489 2454970.57±0.0038 2454970.57±0.0038 2454970.57±0.0038
a/R✶
--- --- --- --- --- 31.7±12.4 30.39±3.7 30.39±3.7 30.39±3.7
Teq
(K)
--- --- --- --- --- 811 811 811 811
b
--- --- --- --- ---
0.026 +0.422-0.026
0.1375 +0.2907-0.1375
0.1375 +0.2907-0.1375
0.1375 +0.2907-0.1375
S
(S⨁)
--- ---
86.645+3.608-3.473
 --- ---
102.25 +99.53-27.55
102.25 +119.63-27.15
102.25 +119.63-27.15
102.25 +119.63-27.15
e
--- --- --- --- --- 0 0 0 0
i
(deg)
--- --- --- --- --- 89.95 89.95 89.95 89.95
Rp
(R⨁)
1.61+0.21-0.16
 ---
1.524+0.133-0.121
 --- ---
1.67 +0.54-0.15
1.73 +0.69-0.15
1.73 +0.69-0.15
1.73 +0.69-0.15
Rp
(RJup)
0.144+0.019-0.014
 ---
0.1360+0.0119-0.0108
 --- ---
0.149+0.048-0.013
0.154+0.062-0.013
0.154+0.062-0.013
0.154+0.062-0.013
Rp/R✶
0.016319 +0.000533-0.000635
--- --- --- ---
0.015746 +0.00068-0.000608
0.016319 +0.000533-0.000635
0.016319 +0.000533-0.000635
0.016319 +0.000533-0.000635
a
(au)
--- --- --- --- --- .1058 .1058 .1058 .1058
Print
Kepler Detection Products (4 File Types, 15 Files)
Kepler Pipeline Data Validation Reports q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Pipeline Data Validation Summaries q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler TCERT Reports q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Planet Detection Metrics q1_q17_dr24_stellar q1_q17_dr24_stellar q1_q17_dr25_stellar q1_q17_dr25_stellar
Kepler Detection Products
Kepler Pipeline Data Validation Summaries q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Object of Interest
KepID 12055539 12055539 12055539 12055539 12055539
KOI Name K03261.01 K03261.01 K03261.01 K03261.01 K03261.01
Kepler Name Kepler-1448 b Kepler-1448 b Kepler-1448 b Kepler-1448 b Kepler-1448 b
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED
Vetting Status Done Done Done Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31 2015-09-24 2014-12-18 2014-12-04
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE NOT DISPOSITIONED CANDIDATE
Not Transit-Like False Positive Flag 0 0 0 0 0
Stellar Eclipse False Positive Flag 0 0 0 0 0
Centroid Offset False Positive Flag 0 0 0 0 0
Ephemeris Match Indicates Contamination False Positive Flag 0 0 0 0 0
Disposition Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi
Orbital Period [days] 12.27057043±6.863e-05 12.27057043±6.863e-05 12.27065865±5.885e-05 12.27065865±5.885e-05 12.27065865±5.885e-05
Transit Epoch [BKJD] 137.57434±0.00489 137.57434±0.00489 137.57044±0.0038 137.57044±0.0038 137.57044±0.0038
Transit Epoch [BJD] 2454970.574±0.00489 2454970.574±0.00489 2454970.57±0.0038 2454970.57±0.0038 2454970.57±0.0038
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi
Number of Planets 1 1 1 1 1
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce q1_q12_tce
Link to DV Report kplr012055539-20160209194854_dvr.pdf kplr012055539-20160209194854_dvr.pdf kplr012055539-20141002224145_dvr.pdf kplr012055539-20130815195353_dvr.pdf kplr012055539-20121029204534_dvr.pdf
RA [decimal degrees] 287.86740000000003 287.86740000000003 287.86740000000003 287.86740000000003 287.86740000000003
Dec [decimal degrees] 50.595580999999996 50.595580999999996 50.595580999999996 50.595580999999996 50.595580999999996
Kepler-band [mag] 14.411000000000001 14.411000000000001 14.411000000000001 14.411000000000001 14.411000000000001
g'-band [mag] 14.838000000000001 14.838000000000001 14.838000000000001 14.838000000000001 14.838000000000001
r'-band [mag] 14.358 14.358 14.358 14.358 14.358
i'-band [mag] 14.229000000000001 14.229000000000001 14.229000000000001 14.229000000000001 14.229000000000001
z'-band [mag] 14.207 14.207 14.207 14.207 14.207
J-band [mag] 13.38 13.38 13.38 13.38 13.38
H-band [mag] 12.948 12.948 12.948 12.948 12.948
K-band [mag] 12.932 12.932 12.932 12.932 12.932
Disposition Score --- 1.0 --- --- ---
Comment --- CENT_KIC_POS KIC_OFFSET --- ---
Eccentricity --- 0 0 0 0
Impact Parameter ---
0.026 +0.422-0.026
0.1375 +0.2907-0.1375
0.1375 +0.2907-0.1375
0.1375 +0.2907-0.1375
Transit Duration [hrs] --- 3.002±0.13 3.106±0.11 3.106±0.11 3.106±0.11
Transit Depth [ppm] --- 295.5±18.2 316.5±16.5 316.5±16.5 316.5±16.5
Planet-Star Radius Ratio ---
0.015746 +0.00068-0.000608
0.016319 +0.000533-0.000635
0.016319 +0.000533-0.000635
0.016319 +0.000533-0.000635
Fitted Stellar Density [g/cm**3] ---
4.00699 +3.13921-1.38211
3.52728 +0.43288-1.11844
3.52728 +0.43288-1.11844
3.52728 +0.43288-1.11844
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC
Planetary Radius [Earth radii] ---
1.67 +0.54-0.15
1.73 +0.69-0.15
1.73 +0.69-0.15
1.73 +0.69-0.15
Orbit Semi-Major Axis [au] --- .1058 .1058 .1058 .1058
Inclination [deg] --- 89.95 89.95 89.95 89.95
Equilibrium Temperature [K] --- 811 811 811 811
Insolation Flux [Earth flux] ---
102.25 +99.53-27.55
102.25 +119.63-27.15
102.25 +119.63-27.15
102.25 +119.63-27.15
Planet-Star Distance over Star Radius --- 31.7±12.4 30.39±3.7 30.39±3.7 30.39±3.7
Limb Darkening Model --- Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0 0.0
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0
Limb Darkening Coeff. 2 --- 0.2889 0.2932 0.2932 0.2932
Limb Darkening Coeff. 1 --- 0.3511 0.3406 0.3406 0.3406
Maximum Single Event Statistic --- 3.9461906 17.844986 --- ---
Maximum Multiple Event Statistic --- 15.709525 16.176521 --- ---
Transit Signal-to-Noise --- 18.7 24.2 24.2 24.2
Number of Transits --- 109 109 --- ---
TCE Planet Number --- 1 1 1 1
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- ---
Odd-Even Depth Comparision Statistic --- 0.7994 --- --- ---
Transit Model --- Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr012055539-001-20160209194854_dvs.pdf kplr012055539-001-20141002224145_dvs.pdf kplr012055539-001-20130826182306_dvs.pdf kplr012055539-001-20121115231752_dvs.pdf
Stellar Effective Temperature [K] ---
6075 +180-198
6075 +151-187
6075 +151-187
6075.00 +151.00-187.00
Stellar Surface Gravity [log10(cm/s**2)] ---
4.486 +0.054-0.216
4.486 +0.043-0.288
4.486 +0.043-0.288
4.486 +0.043-0.288
Stellar Metallicity [dex] --- -0.12±0.3
-0.120 +0.220-0.300
-0.120 +0.220-0.300
-0.120 +0.220-0.300
Stellar Radius [Solar radii] ---
0.969 +0.315-0.084
0.969 +0.39-0.085
0.969 +0.39-0.085
0.9690 +0.3900-0.0850
Stellar Mass [Solar mass] --- 1.048±0.139
1.048 +0.169-0.126
1.048 +0.169-0.126
1.0480 +0.1690-0.1260
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16
FW Offset Significance [percent] --- 0.187 0.0 0.0 0.005
FW Source α(OOT) [hrs] --- 19.191106±0.000016 19.191114±0.000015 19.191116±0.000014 19.191116000±0.000017000
FW Source δ(OOT) [deg] --- 50.5958±0.00011 50.59588±0.00011 50.59586±0.0001 50.59585000±0.00013000
FW Source Δα(OOT) [sec] --- -1.83±0.54 -1.54±0.5 -1.5±0.48 0.09800±0.06000
FW Source Δδ(OOT) [arcsec] --- 0.81±0.39 1.08±0.39 1.02±0.36 0.02100±0.03100
FW Δα(OOT) [sec] --- -0.00023±0.00016 -0.00027±0.00015 -0.0003±0.00016 -3e-05±1.9e-05
FW Δδ(OOT) [arcsec] --- -2e-05±0.00012 -0.00014±0.00012 -0.00012±0.00012 -6.6e-06±9.6e-06
PRF ΔαSQ(OOT) [arcsec] --- 1.84±0.34 1.72±0.32 1.96±0.33 2.2000±0.3700
PRF ΔδSQ(OOT) [arcsec] --- -1.58±0.39 -1.75±0.37 -1.63±0.43 -2.1100±0.5300
PRF ΔθSQ(OOT) [arcsec] --- 2.43±0.46 2.46±0.41 2.55±0.44 3.0500±0.4600
PRF ΔαSQ(KIC) [arcsec] --- -0.46±0.23 -0.28±0.19 -0.17±0.21 -0.2500±0.1900
PRF ΔδSQ(KIC) [arcsec] --- -0.18±0.23 -0.25±0.2 -0.18±0.22 -0.7100±0.1000
PRF ΔθSQ(KIC) [arcsec] --- 0.5±0.23 0.37±0.19 0.25±0.22 0.7500±0.1100
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
4 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
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False Positive Planet
Controversial
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