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GJ 480 Overview

  • Star: GJ 480
    • Stellar Radius: 0.45 Solar Radius
    • Stellar Effective Temperature: 3509.00 K
    • Planet: GJ 480 b
      • Disposition Confirmed

GJ 480 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
GJ 480
GJ 480 b 9.55 d > 8.8 M⨁ Radial Velocity 2020 Feng et al. 2020 Confirmed Planet
RA
12h38m51.22s
Dec
+11d41m42.25s
Distance
14.23580±0.01515 pc
Parallax
70.216400±0.074279 mas
Ecliptic Latitude
14.57791 deg
Ecliptic Longitude
184.20048 deg
Galactic Latitude
74.2865 deg
Galactic Longitude
291.48636 deg
Total Proper Motion
1182.6515022±0.1711173 mas/yr
Proper Motion (RA)
-1155.700000±0.172518 mas/yr
Proper Motion (Dec)
-251.04200±0.13813 mas/yr
Photometry
mV 11.49±0.10
mTESS 9.1075600±0.0073119
mJ 7.581±0.019
mH 6.939±0.036
mKs 6.691±0.036
mIc 8.982
mGaia 10.324900±0.000749
mB 13.002
mg 12.5061000±0.0010482
mi 9.7555600±0.0005129
mr 11.00610±0.00064
mu 15.3961000±0.0056763
mz 9.3265400±0.0009832
Abundances
(Hypatia Catalog)
[Fe/H] 0.04±0.04 dex
[Mg/H] 0.20±0.07 dex
[Si/H] 0.07±0.05 dex
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Ould-Elhkim et al. 2025 Feng et al. 2020 TICv8 Gaia DR2 Turnbull 2015 Hawley et al. 1996 Duncan et al. 1991
Teff
(K)
3509±31 --- 3381.0±157.0
3584.77+335.76-264.77
 3350 --- ---
L✶
(log10(L⦿))
-1.562±0.002 ---
-1.61155+0.09684-0.12482
 ---
-1.523 +0.727-0.523
--- ---
Metallicity
(dex)
0.26±0.10 [m/H] --- --- --- --- --- ---
M✶
(M⦿)
0.45±0.02 0.45±0.02 0.4527460±0.0208388 --- 0.41 --- ---
R✶
(R⦿)
0.449±0.008 --- 0.4558150±0.0142819 --- 0.52 --- ---
log g
(log10(cm/s2))
4.88±0.06 --- 4.7763500±0.0072205 --- --- --- ---
Prot
(days)
50.3±0.9 --- --- --- --- --- ---
S Index
--- --- --- --- --- --- 1.1728±0.1541
Sp. T
--- M3.5 Ve --- --- M4 M3 ---
ρ✶
(g/cm3)
--- --- 6.7399143±0.3235622 --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Planetary Systems
Source Ould-Elhkim et al. 2025 Feng et al. 2020
Tp
(days)
--- 2454562.1±2.3
(JD)
ω
(deg)
--- 151±92
Mp sin i
(M⨁)
8.8±0.7 13.2±1.7
Mp sin i
(MJup)
0.028±0.002 0.0415±0.0053
e
0 0.10±0.07
P
(days)
9.5536±0.0006 9.567±0.005
K
(m/s)
4.5±0.3 6.80±0.87
a
(au)
0.068±0.001 0.068±0.001
Teq
(K)
406±6 ---
TC
(days)
2458446.0±0.1
(JD)
---
Print
Literature Stellar Spectra (1 File)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical Clubb et al. 2009
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     136 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
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