NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

GJ 3470 Overview

GJ 3470 0.50 R⦿ 3552.00 K
GJ 3470 b
0.408 RJup
Architecture
GJ 3470
GJ 3470
GJ 3470 b
Other Data
Bibliography 18
Exoplanet Archive Notes 3
Nearby Data 3
Discovery Data
Host Planet Method Year Reference Disposition
GJ 3470 GJ 3470 b Radial Velocity 2012 Bonfils et al. 2012 Confirmed Planet
GJ 3470 GJ 3470 b
RA
07h59m05.64s
Dec
+15d23m28.35s
Distance
29.4214+0.0508-0.0507
pc
Parallax
33.9601000±0.0581536 mas
Ecliptic Latitude
-5.12786 deg
Ecliptic Longitude
118.72644 deg
Galactic Latitude
21.75667 deg
Galactic Longitude
206.23529 deg
Total Proper Motion
194.3609859±0.1028126 mas/yr
Proper Motion (RA)
-185.734000±0.105966 mas/yr
Proper Motion (Dec)
-57.2632000±0.0603679 mas/yr
Photometry
mV
12.332±0.016
mTESS
10.2479000±0.0073281
mJ
8.794±0.026
mH
8.206±0.023
mKs
7.989±0.023
mW1
7.807±0.027
mW2
7.783±0.020
mW3
7.683±0.020
mW4
7.786±0.215
mIc
10.080±0.013
mGaia
11.353700±0.001255
mB
13.785±0.044
mg
15.4392000±0.0101128
mi
10.7632000±0.0004918
mr
11.8694000±0.0008937
mu
15.9337000±0.0067464
mz
10.5750000±0.0017872
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source TICv8 Kosiarek et al. 2019 Gaia DR2 Awiphan et al. 2016 Biddle et al. 2014 Fukui et al. 2013 Demory et al. 2013 Bonfils et al. 2012 Hawley et al. 1996 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3552.0±157.0 3652±50
3775.500+184.035-45.500
 3600±100 3652±50 --- 3600±100 3600±200 --- 3552±157
L✶
(log10(L⦿))
-1.44600+0.09264-0.11791
-1.5+0.0-0.0
 --- --- --- --- ---
-1.538 +0.029-0.031
--- ---
ρ✶
(g/cm3)
5.6241919±0.2744326 --- --- 3.30±0.17 6.51±1.55
5.40+0.20-0.45
4.10+0.52-0.47
 --- --- ---
M✶
(M⦿)
0.4977570±0.0203467 0.51±0.06 ---
0.539+0.047-0.043
 0.51±0.06
0.557+0.028-0.020
0.539+0.047-0.043
 0.541±0.067 --- ---
R✶
(R⦿)
0.4996980±0.0149283 0.48±0.04 --- 0.547±0.018 0.48±0.04
0.526+0.023-0.011
0.568+0.037-0.031
 0.503±0.063 --- 0.499698013067245±0.014928300000000
log g
(log10(cm/s2))
4.7376700±0.0081941 4.658±0.035 --- 4.695±0.046 4.78±0.12
4.741+0.009-0.019
 4.658±0.035 --- --- 4.74±0.01
γ
(km/s)
--- --- 26.089736737552283±0.251041932265976 --- --- --- --- 26.51691±0.00053 --- ---
Age
(Gyr)
--- 1.65±1.35 --- --- 2.5±1.5 --- --- 1.65±1.35 --- ---
Sp. T
--- M1.5 --- --- --- --- --- M1.5 M1.5 ---
Metallicity
(dex)
--- 0.20±0.10 [Fe/H] --- 0.20±0.10 [Fe/H] 0.18±0.08 [Fe/H] --- 0.20±0.10 [Fe/H] --- --- ---
Prot
(days)
--- 21.54±0.49 --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
TOI
Transit
Atmospheric Spectroscopy
Source Awiphan et al. 2016 Kokori et al. 2023 Kosiarek et al. 2019 Dragomir et al. 2015 Biddle et al. 2014 Crossfield et al. 2013 Nascimbeni et al. 2013 Fukui et al. 2013 Demory et al. 2013 Bonfils et al. 2012 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
13.98+0.20-0.28
13.9+0.4-0.5
12.92+0.72-0.65
12.92+0.72-0.65
13.94 +0.44-0.49
14.2450+0.5698-1.3915
 ---
14.70+0.17-0.43
 --- 14.9±1.2 ---
i
(deg)
89.13+0.26-0.34
88.9+0.6-0.5
 --- ---
88.88 +0.62-0.45
88.98+0.94-1.25
88.12+0.34-0.30
 ---
88.3+0.5-0.4
 >88.8 ---
P
(days)
3.3366496+0.0000039-0.0000033
 3.33665240±0.00000014
3.336649+0.000084-0.000081
 3.3366413±0.0000060
3.3366487 +0.0000043-0.0000033
3.336665±0.000008 3.336649±0.000002 3.336649±0.000005 3.33665±0.00005 3.33714±0.00017 3.33665106328833±0.00000128701750
Rp/R✶
--- 0.0764±0.0004 --- --- 0.07642±0.00037
0.0789+0.0021-0.0019
 --- ---
0.07798+0.00046-0.00045
 0.0755±0.0031 ---
TC
(days)
2455983.70421 2456974.689880±0.000059 2455953.6630±0.0035 2456677.727712±0.000220 2455983.70472±0.00021 2456390.77580±0.00040
2456340.72559+0.00009-0.00011
 2456247.29954±0.00019 2456090.47701±0.00010 2455953.6645±0.0034 2459500.53574000±0.00011513
ω
(deg)
---
1.7+1.0-1.2
-82.5+5.7-2.3
 ---
1.70 +0.96-1.20
--- --- --- --- --- ---
e
---
0.017+0.016-0.012
0.114+0.052-0.051
 ---
0.017 +0.016-0.012
--- --- --- --- <0.051 ---
Teq
(K)
593.5±96.5 --- 615±16 --- 604±98 --- --- --- --- 615±16 595.191322613779
Mp
(M⨁)
13.9±1.5 ---
12.58+1.31-1.28
 --- 13.73±1.61 --- --- 14.1±1.3
13.9+1.5-1.4
 14.0±1.7 ---
Mp
(MJup)
0.0437±0.0047 ---
0.03958+0.00412-0.00403
 --- 0.043±0.005 --- --- 0.0444±0.0041
0.0437+0.0047-0.0044
 0.044±0.005 ---
ρ
(g/cm3)
0.80±0.13 ---
0.930+0.560-0.310
 --- 1.18±0.33 --- --- 0.940±0.120
0.72+0.13-0.12
 1.07±0.43 ---
Rp
(R⨁)
4.57±0.18 --- 3.88±0.32 --- 3.88±0.32 --- ---
4.32+0.21-0.10
4.83+0.22-0.21
 4.2±0.6 4.1305078145615±0.1541720800000
Rp
(RJup)
0.408±0.016 --- 0.346±0.029 --- 0.346±0.029 --- ---
0.385+0.019-0.009
0.431+0.020-0.019
 0.37±0.05 0.36849985963144±0.01375433539644
K
(m/s)
13.4±1.2 ---
8.21+0.47-0.46
 --- --- --- --- --- 8.9±1.1 9.01±0.75 ---
a
(au)
0.0355±0.0019 --- --- --- 0.031±0.0028 --- ---
0.03596+0.00059-0.00044
0.03557+0.00096-0.00100
 0.0348±0.0014 ---
δ
(%)
--- --- --- --- --- --- --- --- --- 0.52±0.04 0.676587043260467±0.004308213000000
b
--- --- ---
0.470+0.074-0.110
 0.29±0.14 --- --- <0.281
0.40+0.06-0.08
 --- ---
T14
(hours)
--- ---
1.918+0.024-0.024
1.918+0.024-0.024
 --- --- --- --- 1.90±0.01 --- 1.85800338420603±0.03204808000000
S
(S⨁)
--- --- --- --- --- --- --- --- --- --- 29.6583759145902
Print
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Radial Velocity Curve     61 Optical Spectra Bonfils et al. 2012
Known Objects
1 Confirmed Planets
1 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
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.