GJ 720 Overview

GJ 720 B 0.30 R⦿ 3311.00 K
GJ 720 A 0.61 R⦿ 3849.00 K
GJ 720 A b
Architecture
GJ 720
GJ 720 B
GJ 720 A
GJ 720 A b
Discovery Data
Host Planet Method Year Reference Disposition
GJ 720 A GJ 720 A b Radial Velocity 2021 González-Álvarez et al. 2021 Confirmed Planet
RA
18h35m27.96s
Dec
+45d45m46.55s
Distance
15.5489+0.0099-0.0098
pc
Parallax
64.2842000±0.0405619 mas
Ecliptic Latitude
68.67352 deg
Ecliptic Longitude
287.19738 deg
Galactic Latitude
21.71119 deg
Galactic Longitude
74.42165 deg
Total Proper Motion
582.0956888±0.0897901 mas/yr
Proper Motion (RA)
456.3220000±0.0862362 mas/yr
Proper Motion (Dec)
361.3940000±0.0951823 mas/yr
Photometry
mV
13.026±0.008
mTESS
10.4910000±0.0073603
mJ
8.886±0.043
mH
8.314±0.017
mKs
8.075±0.020
mIc
---
mGaia
11.765600±0.000525
mB
14.563±0.079
Source González-Álvarez et al. 2021 TICv8
Teff
(K)
--- 3311.0±157.0
L
(log10(L⦿))
---
-2.01902+0.09720-0.12543
ρ
(g/cm3)
--- 14.674036±0.232067
M
(M⦿)
--- 0.2735640±0.0201653
R
(R⦿)
--- 0.2973210±0.0088856
log g
(log10(cm/s2))
--- 4.9286800±0.0061055
Sp. T
M2.5 V ---
RA
18h35m19.06s
Dec
+45d44m44.17s
Distance
15.5575±0.0061 pc
Parallax
64.2488000±0.0249522 mas
Ecliptic Latitude
68.6608 deg
Ecliptic Longitude
287.11923 deg
Galactic Latitude
21.73083 deg
Galactic Longitude
74.39563 deg
Total Proper Motion
580.2814772±0.0520300 mas/yr
Proper Motion (RA)
452.1860000±0.0493673 mas/yr
Proper Motion (Dec)
363.6680000±0.0558976 mas/yr
Photometry
mV
9.84±0.10
mTESS
8.1351810±0.0073379
mJ
6.881±0.020
mH
6.260±0.021
mKs
6.082±0.016
mIc
8.000±0.025
mGaia
9.104960±0.000491
mB
11.163±0.073
Source González-Álvarez et al. 2021 TICv8 Turnbull 2015 Hawley et al. 1996 Duncan et al. 1991
Teff
(K)
3837±69 3827.0±157.0 3849 --- ---
L
(log10(L⦿))
-1.2170±0.0964
-1.17328+0.08769-0.10999
-1.155 +0.234-0.544
--- ---
M
(M⦿)
0.57±0.06 0.5792260±0.0201435 0.51 --- ---
R
(R⦿)
0.56±0.06 0.5892470±0.0172714 0.61 --- ---
Sp. T
M0.5 V --- M2 M0 ---
ρ
(g/cm3)
--- 3.991359±0.212457 --- --- ---
log g
(log10(cm/s2))
4.71±0.05 4.6603200±0.0103571 --- --- ---
Metallicity
(dex)
-0.14±0.09 [Fe/H] --- --- --- ---
v sin i
(km/s)
0.990±0.530 --- --- --- ---
Prot
(days)
36.05+1.38-1.44
--- --- --- ---
S Index
--- --- --- --- 1.5344±0.2149
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source González-Álvarez et al. 2021
Tp
(days)
2456406.81+0.43-0.42
Teq
(K)
401±32
ω
(deg)
110.22+23.97-24.28
Mp sin i
(M)
13.64+0.78-0.79
Mp sin i
(MJup)
0.04292+0.00245-0.00249
e
0.12+0.05-0.06
P
(days)
19.466±0.005
K
(m/s)
4.72±0.27
a
(au)
0.119+0.002-0.001
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     112 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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