GJ 3473 Overview

GJ 3473 0.36 R⦿ 3822.26 K
GJ 3473 b
0.113 RJup
GJ 3473 c
LP 544-12 0.14 R⦿ 3285.75 K
Architecture
GJ 3473
GJ 3473
GJ 3473 b
GJ 3473 c
LP 544-12
Discovery Data
Host Planet Method Year Reference Disposition
GJ 3473 GJ 3473 b Transit 2020 Kemmer et al. 2020 Confirmed Planet
GJ 3473 GJ 3473 c Radial Velocity 2020 Kemmer et al. 2020 Confirmed Planet
GJ 3473
  • This reference contains discussion regarding the stellar multiplicity of this system. (Kemmer et al. 2020)
RA
08h02m22.47s
Dec
+03d20m13.79s
Distance
27.3644±0.0376 pc
Parallax
36.5150000±0.0498293 mas
Ecliptic Latitude
-16.76322 deg
Ecliptic Longitude
122.04814 deg
Galactic Latitude
17.28798 deg
Galactic Longitude
218.15071 deg
Total Proper Motion
554.7223327±0.0704113 mas/yr
Proper Motion (RA)
-403.1680000±0.0856354 mas/yr
Proper Motion (Dec)
-381.0150000±0.0479354 mas/yr
Photometry
mV
13.740±0.027
mTESS
11.1972000±0.0073095
mJ
9.627±0.023
mH
9.063±0.022
mKs
8.829001±0.024000
mW1
8.671±0.023
mW2
8.506±0.019
mW3
8.385±0.024
mW4
8.347±0.294
mGaia
12.465000±0.000343
mB
15.241±0.053
mg
15.4319000±0.0057415
mi
11.9009000±0.0007628
mr
13.291200±0.002163
mu
16.8950000±0.0083254
mz
11.4704000±0.0040229
Source Kemmer et al. 2020 TICv8 Gaia DR2 Hawley et al. 1996 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3347±54 3329.0±157.0
3822.2551+125.4949-137.2983
--- 3332±63
L
(log10(L⦿))
-1.824+0.005-0.006
-1.85675+0.09707-0.12520
--- --- ---
Metallicity
(dex)
0.11±0.19 [Fe/H] --- --- --- ---
γ
(km/s)
-1.101±0.011 --- --- --- ---
v sin i
(km/s)
<2 --- --- --- ---
ρ
(g/cm3)
10.93+0.66-0.69
10.7392391±0.3296907 --- --- ---
M
(M⦿)
0.360±0.016 0.3394400±0.0203209 --- --- ---
R
(R⦿)
0.364±0.012 0.3545290±0.0107089 --- --- 0.354529±0.010709
log g
(log10(cm/s2))
4.81±0.06 4.8695300±0.0003832 --- --- 4.91528±0.142281
Prot
(days)
168.3±4.2 --- --- --- ---
Sp. T
--- --- --- M4 ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Kemmer et al. 2020 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
773+16-15
704.621298
S
(S)
59.4+5.0-4.5
58.256457
P
(days)
1.1980035+0.0000018-0.0000019
1.198058±0.000183
Rp
(R)
1.264+0.050-0.049
1.174415±2.004189
δ
(%)
---
0.1069383521+0.0142584630-0.0142584630
T14
(hours)
0.950+0.015-0.014
1.015767±0.617648
TC
(days)
2458492.20408+0.00043-0.00042
2459228.978094±0.002159
a/R
9.39+0.19-0.21
---
b
0.336+0.066-0.074
---
Mp
(M)
1.86±0.30 ---
Mp
(MJup)
0.00585±0.00094 ---
e
0 ---
i
(deg)
87.95+0.47-0.45
---
ρ
(g/cm3)
5.03+1.07-0.93
---
Rp
(RJup)
0.1128+0.0045-0.0044
---
Rp/R
0.03184+0.00069-0.00067
---
K
(m/s)
2.21±0.35 ---
a
(au)
0.01589±0.00062 ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Kemmer et al. 2020
Teq
(K)
329.1+6.6-6.4
S
(S)
1.95+0.17-0.15
Mp sin i
(M)
7.41+0.91-0.86
Mp sin i
(MJup)
0.0233+0.0029-0.0027
e
0
P
(days)
15.509±0.033
K
(m/s)
3.75+0.45-0.42
a
(au)
0.0876+0.0035-0.0034
RA
08h02m20.23s
Dec
+03d19m37.64s
Distance
27.504322741192926±0.094968672469665 pc
Parallax
36.357921240587785±0.125538939695611 mas
Ecliptic Latitude
-16.775 deg
Ecliptic Longitude
122.04087 deg
Galactic Latitude
17.27511 deg
Galactic Longitude
218.15556 deg
Total Proper Motion
551.769±0.177 mas/yr
Proper Motion (RA)
-399.3661780630622±0.2147868038334 mas/yr
Proper Motion (Dec)
-380.73094893114603±0.12290325916283 mas/yr
Photometry
mV
17.77±0.20
mTESS
14.3196000±0.0079696
mJ
12.224±0.024
mH
11.695±0.027
mKs
11.371±0.024
mW1
15.284±0.123
mW2
14.988±0.151
mW3
>12.028
mW4
>8.891
mGaia
15.9470825
mB
20.361±0.174
mg
---
mi
---
mr
---
mu
---
mz
---
Source TICv8 Gaia DR2 Hawley et al. 1996
Teff
(K)
2832.0±157.0
3285.75+61.25-5.75
---
Sp. T
--- --- M6
L
(log10(L⦿))
-2.9692+0.1085-0.1449
--- ---
ρ
(g/cm3)
61.5947471±5.6952753 --- ---
M
(M⦿)
0.110154±0.020023 --- ---
R
(R⦿)
0.1361050±0.0040842 --- ---
log g
(log10(cm/s2))
5.212320±0.053758 --- ---
Known Objects
2 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
Known Objects
2 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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