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KELT-12 Overview

KELT-12 2.37 R⦿ 5994.60 K
KELT-12 b
1.780 RJup

KELT-12 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
KELT-12
KELT-12 b 5.03 d 19.95 R⨁ Transit 2017 Stevens et al. 2017 Confirmed Planet
KELT-12 b
  • Stellar and planet parameters drawn from Table 4, model 'YY circular, e=0 fixed' in ref. (Stevens et al. 2017)
RA
17h50m33.72s
Dec
+36d34m12.63s
Distance
368.030+3.157-3.106
pc
Parallax
2.6884600±0.0229467 mas
Ecliptic Latitude
59.97843 deg
Ecliptic Longitude
266.20695 deg
Galactic Latitude
27.34278 deg
Galactic Longitude
62.18909 deg
Total Proper Motion
10.9629476±0.0454339 mas/yr
Proper Motion (RA)
-0.1363210±0.0382325 mas/yr
Proper Motion (Dec)
-10.9621000±0.0454349 mas/yr
Photometry
mV
10.585±0.006
mTESS
10.1213±0.0077
mJ
9.631±0.022
mH
9.385±0.020
mKs
9.362001±0.017000
mW1
9.322±0.023
mW2
9.351±0.020
mW3
9.324±0.033
mW4
8.766
mGaia
10.484200±0.000409
mB
11.196±0.090
mg
11.10±0.15
mi
10.31±0.05
mr
10.44±0.05
Abundances
(Hypatia Catalog)
[Fe/H] 0.34±0.04 dex
[C/H] 0.16±0.09 dex
[O/H] 0.42±0.09 dex
[Na/H] 0.28±0.04 dex
[Mg/H] 0.20±0.07 dex
[Al/H] 0.15±0.06 dex
[Si/H] 0.29±0.05 dex
[Ca/H] 0.38±0.06 dex
[Y/H] 0.39±0.08 dex
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source TICv8 Gaia DR2 Stevens et al. 2017 ExoFOP
Teff
(K)
6350.000+124.078-143.306
5994.6000+196.7500-81.8007
 6279±51 6350.0±133.7
L✶
(log10(L⦿))
0.8358192+0.0150850-0.0230351
0.81452923+0.00649636-0.00659500
0.89+0.06-0.07
 ---
γ
(km/s)
--- -23.026311246724738±0.555500638822576 -23.6±0.1 ---
R✶
(R⦿)
2.1627900+0.0750387-0.1228610
2.3680825+0.0659759-0.1481150
 2.37±0.17 2.16±0.10
Metallicity
(dex)
--- ---
0.190+0.084-0.085
[Fe/H] 		---
Age
(Gyr)
--- --- 2.2±0.1 ---
ρ✶
(g/cm3)
0.1755868+0.0482496-0.0286041
 ---
0.168+0.035-0.028
 ---
M✶
(M⦿)
1.260000+0.233993-0.128157
 ---
1.591+0.070-0.093
 ---
log g
(log10(cm/s2))
3.8684100+0.0936657-0.0723080
 ---
3.889+0.051-0.050
 3.87±0.08
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Stevens et al. 2017 Kokori et al. 2023 Patel & Espinoza 2022 ExoFOP
a/R✶
6.08+0.40-0.36
 6.1±0.4
6.46+0.30-0.26
 ---
i
(deg)
84.47+1.10-0.95
84.5+1.1-0.9
 --- ---
P
(days)
5.031623+0.000032-0.000031
 5.0316328±0.0000019
5.0316170+0.0000290-0.0000280
 5.0316347±0.0000024
Rp/R✶
0.0772+0.0019-0.0018
 0.0772±0.0019
0.0711+0.0007-0.0009
 ---
TC
(days)
2457083.660459±0.000894
(BJD-TDB)
2459020.83914±0.00021
(BJD-TDB)
2459030.90211±0.00042
(BJD)
2460505.1712140±0.0003906
(BJD)
b
0.586+0.060-0.082
 ---
0.510+0.059-0.080
 ---
Teq
(K)
1800±57 --- --- 1656
S
(S⨁)
1749+235-213
 --- --- 1248.65
Rp
(R⨁)
20.0+1.9-1.8
 --- --- 15.399900±0.707425
Rp
(RJup)
1.78+0.17-0.16
 --- --- 1.3738894±0.0631123
δ
(%)
0.596+0.029-0.028
 --- --- 0.49120000±0.00346008
T14
(hours)
5.762+0.118-0.103
 --- --- 5.265±0.234
Mp
(M⨁)
302±44 --- --- ---
Mp
(MJup)
0.950±0.140 --- --- ---
Mp sin i
(M⨁)
302±44 --- --- ---
Mp sin i
(MJup)
0.950±0.140 --- --- ---
e
0 --- --- ---
ρ
(g/cm3)
0.209+0.071-0.053
 --- --- ---
K
(m/s)
82±12 --- --- ---
a
(au)
0.06708+0.00097-0.00130
 --- --- ---
Print
Known Objects
1 Confirmed Planets
4 2MASS Point Source Catalog
Data Files
4 KELT Time Series
1 SuperWASP Time Series
1 Associated Literature Data
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