K2-73 Overview

K2-73 1.05 R⦿ 5844.00 K
K2-73 b
0.230 RJup
K2-73 c
Architecture
K2-73
K2-73
K2-73 b
K2-73 c
Discovery Data
Host Planet Method Year Reference Disposition
K2-73 K2-73 b Transit 2016 Crossfield et al. 2016 Confirmed Planet
K2-73 K2-73 c Radial Velocity 2025 Howard et al. 2025 Confirmed Planet
K2-73 b
RA
22h20m06.16s
Dec
-09d03m21.92s
Distance
269.183+2.539-2.493
pc
Parallax
3.6864300±0.0344589 mas
Ecliptic Latitude
1.22851 deg
Ecliptic Longitude
333.55638 deg
Galactic Latitude
-49.98864 deg
Galactic Longitude
52.5209 deg
Total Proper Motion
50.2007714±0.0615324 mas/yr
Proper Motion (RA)
49.2720000±0.0615905 mas/yr
Proper Motion (Dec)
9.6118400±0.0599855 mas/yr
Photometry
mV
11.345±0.034
mTESS
11.2821±0.0061
mJ
10.695±0.026
mH
10.382±0.022
mKs
10.322±0.021
mKep
11.745
mW1
10.293±0.023
mW2
10.335±0.020
mW3
10.223±0.070
mW4
8.891
mGaia
11.714600±0.000289
mB
12.433±0.356
mg
12.4143000±0.0014095
mi
13.2337000±0.0047745
mr
11.8450000±0.0011792
mu
14.3929000±0.0045608
mz
12.5888000±0.0045115
Abundances
(Hypatia Catalog)
[Fe/H] 0.02±0.04 dex
[C/H] 0.03±0.09 dex
[O/H] -0.07±0.09 dex
[Na/H] -0.10±0.04 dex
[Mg/H] 0.01±0.07 dex
[Al/H] -0.09±0.06 dex
[Si/H] -0.03±0.05 dex
[Ca/H] 0.05±0.06 dex
[Y/H] 0.09±0.08 dex
Source Howard et al. 2025 TICv8 Gaia DR2 Mayo et al. 2018 Crossfield et al. 2016 Kruse et al. 2019 Barros et al. 2016 Schmitt et al. 2016 Vanderburg et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5867.0±100.0
5865.0000+128.1910-95.1484
5732.6665+70.0835-151.5170
5844.0±50.0 5922±76 --- --- --- 6634
Metallicity
(dex)
0.040±0.044 [Fe/H] 0.030±0.100 [M/H] --- 0.09±0.08 [Fe/H] --- --- --- --- ---
M
(M⦿)
1.02±0.04
1.061000+0.140148-0.112087
---
1.043192 +0.025665-0.027360
1.050±0.030 --- --- --- ---
R
(R⦿)
1.058±0.039
1.0572100+0.0533608-0.0415136
1.0788460+0.0593720-0.0259024
1.051008 +0.131147-0.070573
1.060±0.070
1.079 +0.026-0.059
--- --- 1.77
log g
(log10(cm/s2))
4.390±0.081
4.4154600+0.0897971-0.0555310
--- 4.35±0.1 4.409±0.057 --- --- --- ---
L
(log10(L⦿))
---
0.076089308+0.015768170-0.019348606
0.054040320+0.006171783-0.006260757
--- --- --- --- --- ---
γ
(km/s)
--- --- -38.40547541026231±0.93157576652786 --- --- --- --- --- ---
ρ
(g/cm3)
---
1.2658929+0.3389744-0.1732521
--- --- --- --- --- --- ---
v sin i
(km/s)
2.0±1.0 --- --- --- --- --- --- --- ---
S Index
0.1586 --- --- --- --- --- --- --- ---
CAII LOG RHK
-4.999 --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Howard et al. 2025 Mayo et al. 2018 Crossfield et al. 2016 Kruse et al. 2019 Barros et al. 2016 Schmitt et al. 2016 Vanderburg et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
b
--- --- --- --- ---
0.28 +0.57-1.01
0.20
P
(days)
7.49556±0.00029
7.495692 +0.000279-0.000283
7.49543±0.00059 7.49569±0.00025 7.49491004
7.495 +0.0084-0.0069
7.4956613
Rp
(R)
2.58+0.13-0.06
2.6253911509 +0.362051901362-0.190863836641
2.45±0.21
2.71 +0.11-0.29
--- --- 4.74
Rp
(RJup)
0.230+0.012-0.005
0.2342217103 +0.0323001072-0.0170277310
0.219±0.019
0.242 +0.0098-0.026
--- --- 0.423
Rp/R
---
0.022901 +0.001345-0.000638
0.0210±0.0012
0.02300 +0.00080-0.00212
---
0.0239 +0.0035-0.0021
0.02273
δ
(%)
--- --- ---
0.0589 +0.0012-0.0013
0.058±0.001 --- 0.0603
T14
(hours)
--- --- 3.620±0.085
3.59040+0.06720-0.08880
3.83000+0.13500-0.13500
3.52800+0.07200-0.12000
3.51000
TC
(days)
2456987.6726±0.0012
2456980.17657 +0.001433-0.001327
2456987.6741±0.0023 2456980.1755±0.0012 2456987.675542
2456987.6728 +0.0013-0.0018
2456980.177
S
(S)
209.0+23.0-21.0
--- 213±30 --- --- --- ---
a
(au)
--- --- 0.07619±0.00072 --- --- --- ---
a/R
---
15.108184 +1.394212-3.187118
---
14.9 +3.3-1.4
---
11.8 +3.6-3.7
---
i
(deg)
---
88.443035 +1.107666-1.798170
--- --- ---
86.7 +2.4-2.9
---
Teq
(K)
968.0±25.0 --- --- --- --- --- ---
Mp
(M)
9.20+3.80-3.70
--- --- --- --- --- ---
Mp
(MJup)
0.0289+0.0120-0.0116
--- --- --- --- --- ---
ρ
(g/cm3)
2.8+1.3-1.2
--- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Source Howard et al. 2025
Teq
(K)
186.1+6.6-7.2
S
(S)
0.285±0.042
Mp sin i
(M)
1142.0+53.0-45.0
Mp sin i
(MJup)
3.5931+0.1668-0.1416
P
(days)
1000.00±100.00
TC
(days)
2456905.0+62.0-99.0
Known Objects
2 Confirmed Planets
1 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 Time Series
2 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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