NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

iot Dra Overview

iot Dra 11.79 R⦿ 4504.00 K
iot Dra b
iot Dra c
Architecture
iot Dra
iot Dra
iot Dra b
iot Dra c
Other Data
Bibliography 19
Exoplanet Archive Notes 1
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
iot Dra iot Dra b Radial Velocity 2002 Frink et al. 2002 Confirmed Planet
iot Dra iot Dra c Radial Velocity 2022 Hill et al. 2021 Confirmed Planet
iot Dra
  • Some stellar parameter values may be biased due to companion blend (WDS Catalog)
RA
15h24m55.76s
Dec
+58d57m58.11s
Distance
31.328320±0.500546 pc
Parallax
31.92±0.51 mas
Ecliptic Latitude
71.09357 deg
Ecliptic Longitude
184.94562 deg
Galactic Latitude
48.62777 deg
Galactic Longitude
93.97119 deg
Total Proper Motion
18.1121506±0.7810250 mas/yr
Proper Motion (RA)
-8.1±0.7 mas/yr
Proper Motion (Dec)
16.2±0.8 mas/yr
Photometry
mV
3.29668±0.02300
mTESS
2.2711±1.4762
mJ
1.293±0.220
mH
0.724±0.146
mKs
0.671±0.200
mW1
-1.54
mW2
-0.467
mW3
0.740±0.045
mW4
0.624±0.009
mGaia
2.9682800±0.0051606
mB
4.467±0.016
Abundances
(Hypatia Catalog)
[Fe/H] 0.16±0.21 dex
[C/H] -0.02±0.24 dex
[O/H] 0.23±0.26 dex
[Na/H] 0.34±0.26 dex
[Mg/H] 0.20±0.18 dex
[Al/H] 0.37±0.24 dex
[Si/H] 0.37±0.18 dex
[Ca/H] 0.04±0.26 dex
[Y/H] -0.04±0.08 dex
[BaII/H] 0.02±0.11 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Hill et al. 2021 TICv8 Gaia DR2 Maldonado et al. 2015 Mortier et al. 2013 Kane et al. 2010 Butler et al. 2006 Gray et al. 2003 Santos et al. 2003 Frink et al. 2002 Garrison & Beattie 1998 Cannon & Pickering 1918
Teff
(K)
4504±62 4534.07000±6.13359
4642.0+1149.5-702.0
 4628±33 4528±111 --- 4548 --- 4750 4530±100 --- ---
L✶
(log10(L⦿))
1.722+0.017-0.018
 ---
1.82010+0.00478-0.00483
 --- --- --- --- --- --- --- --- ---
Metallicity
(dex)
0.030±0.080 [Fe/H] 0.08920060±0.02754610 [M/H] --- 0.22±0.05 [Fe/H] -0.16±0.06 [Fe/H] --- --- --- 0.09 [Fe/H] 0.29±0.2 [Fe/H] --- ---
Age
(Gyr)
2.65±0.74 --- --- --- --- --- --- --- --- --- --- ---
M✶
(M⦿)
1.54±0.09 --- --- --- 1.14±0.16 1.05 1.05 --- --- 1.05 --- ---
R✶
(R⦿)
11.79±0.24 ---
12.568771+4.877820-4.494170
 --- --- 12.88 --- --- --- --- --- ---
log g
(log10(cm/s2))
2.48±0.01 --- --- 2.74±0.12 2.49±0.26 --- --- --- 3.15 2.60±0.25 --- ---
Sp. T
K2 III --- --- --- --- --- --- K2 III --- --- K2 III K0
γ
(km/s)
--- --- -12.313011134097826±0.982286246920369 --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Hill et al. 2021 Kane et al. 2010 Butler et al. 2006 Frink et al. 2002
Tp
(days)
2455590.17±0.13 2452015.36±0.16 2452014.59±0.30 2452015.8±0.2
ω
(deg)
89.90±0.30 92.5±0.7 91.58±0.81 95.9±0.1
Mp sin i
(M⨁)
3757+133-130
 2765 2803.1±228.8 2828.6
Mp sin i
(MJup)
11.82+0.42-0.41
 8.7 8.82±0.72 8.9
e
0.7010+0.0016-0.0017
 0.713±0.008 0.7124±0.0039 0.70±0.01
i
(deg)
46+27-19
 --- --- ---
P
(days)
510.8544±0.0128 510.72±0.07 511.098±0.089 536±5
a
(au)
1.453±0.026 1.27 1.275±0.074 1.3
K
(m/s)
--- 306.0±3.8 307.6±2.3 301.0
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Hill et al. 2021
Tp
(days)
2476000+22000-13000
ω
(deg)
62.0+262.0-32.0
Mp sin i
(M⨁)
4958+4450-1621
Mp sin i
(MJup)
15.6+14.0-5.1
e
0.455+0.120-0.084
i
(deg)
86.0±19.0
P
(days)
25000+22000-13000
a
(au)
19.4+10.0-7.7
Print
Literature Time Series (2 File Types, 3 Files)
File Type Data Points Filter Reference
Photometric Light Curve     134 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     119 Optical Spectra Butler et al. 2006
Radial Velocity Curve     56 Optical Spectra Frink et al. 2002
Known Objects
2 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
Search
Browse
Download

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.