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42 Dra Overview

42 Dra B 3820.00 K
42 Dra 22.03 R⦿ 4200.00 K
42 Dra b
Architecture
42 Dra
42 Dra B
42 Dra
42 Dra b
Other Data
Bibliography 12
Exoplanet Archive Notes 1
42 Dra B Nearby Data 3
42 Dra Nearby Data 3
Discovery Data
Host Planet Method Year Reference Disposition
42 Dra 42 Dra b Radial Velocity 2008 Doellinger et al. 2009 Confirmed Planet
42 Dra
  • This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
RA
18h25m57.53s
Dec
+65d33m26.62s
Distance
89.9150+0.2010-0.2002
pc
Parallax
11.0927000±0.0246241 mas
Ecliptic Latitude
87.18346 deg
Ecliptic Longitude
342.13081 deg
Galactic Latitude
27.12758 deg
Galactic Longitude
95.41205 deg
Total Proper Motion
109.0408567±0.0580243 mas/yr
Proper Motion (RA)
105.8610000±0.0583415 mas/yr
Proper Motion (Dec)
-26.1411000±0.0525498 mas/yr
Photometry
mV
14.579±0.150
mTESS
13.0828±0.0061
mJ
11.057
mH
11.087±0.100
mKs
10.501
mW1
---
mW2
---
mW3
---
mW4
---
mGaia
14.02020±0.00073
mB
---
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source TICv8
Teff
(K)
3820.0±122.0
Print
RA
18h25m59.40s
Dec
+65d33m48.11s
Distance
90.6545±1.3227 pc
Parallax
11.006100±0.159689 mas
Ecliptic Latitude
87.18291 deg
Ecliptic Longitude
342.26846 deg
Galactic Latitude
27.12504 deg
Galactic Longitude
95.41912 deg
Total Proper Motion
108.2005422±0.3427786 mas/yr
Proper Motion (RA)
105.248000±0.342127 mas/yr
Proper Motion (Dec)
-25.104100±0.354036 mas/yr
Photometry
mV
4.8262±0.0230
mTESS
3.7535±0.0087
mJ
2.949±0.234
mH
2.197±0.196
mKs
2.085±0.216
mW1
-0.152
mW2
0.372
mW3
2.022±0.013
mW4
1.892±0.012
mGaia
4.432160±0.006238
mB
6.005±0.016
Abundances
(Hypatia Catalog)
[Fe/H] -0.36±0.21 dex
[C/H] -0.42±0.28 dex
[O/H] -0.20±0.16 dex
[Na/H] -0.25±0.22 dex
[Mg/H] -0.17±0.15 dex
[Al/H] -0.10±0.22 dex
[Si/H] -0.19±0.16 dex
[Ca/H] -0.34±0.11 dex
[Y/H] -0.45±0.08 dex
[BaII/H] -0.53±0.06 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source TICv8 Gaia DR2 Sousa et al. 2015 Doellinger et al. 2009
 Cannon & Pickering 1918
Teff
(K)
4397.53000±7.11199
4480.00+130.25-81.00
 4452±42 4200±70 ---
Metallicity
(dex)
-0.4299660±0.0140933 [M/H] --- -0.41±0.03 [Fe/H] -0.46±0.05 [Fe/H] ---
v sin i
(km/s)
--- --- --- 1.0 ---
Age
(Gyr)
--- --- 5.911±3.002 9.49±1.76 ---
M✶
(M⦿)
--- --- 1.117±0.162 0.98±0.05 ---
R✶
(R⦿)
20.2671
19.843407+0.737491-1.105400
 19.507±0.655 22.03±1.00 ---
log g
(log10(cm/s2))
--- --- 2.09±0.16 1.71±0.05 ---
Sp. T
--- --- --- K1.5 III K0
L✶
(log10(L⦿))
---
2.155039+0.007413-0.007542
 --- --- ---
γ
(km/s)
--- 31.790957375751908±0.316694301873609 --- --- ---
Print
42 Dra b Planetary Parameters (1 Solutions)
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Doellinger et al. 2009
Tp
(days)
2452757.4±3.7
ω
(deg)
218.7±10.6
Mp sin i
(M⨁)
1233.13±270.14
Mp sin i
(MJup)
3.88±0.85
e
0.38±0.06
P
(days)
479.1±6.2
K
(m/s)
110.5±7.0
a
(au)
1.19±0.01
Print
Literature Time Series (2 File Types, 2 Files)
File Type Data Points Filter Reference
Photometric Light Curve     104 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     45 Optical Spectra Doellinger et al. 2009
Known Objects
1 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
Known Objects
1 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
1 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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