GJ 4276 Overview
GJ 4276
0.41
R⦿
3901.57
K
GJ 4276 b
GJ 4276 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| GJ 4276 | ||||||
| GJ 4276 b | 13.35 d | > 16.57 M⨁ | Radial Velocity | 2019 | Nagel et al. 2019 | Confirmed Planet |
- RA
- 22h25m17.31s
- Dec
- +59d24m45.01s
- Distance
- 21.3362±0.0172 pc
- Parallax
- 46.8399000±0.0375272 mas
- Ecliptic Latitude
- 60.58718 deg
- Ecliptic Longitude
- 18.38667 deg
- Galactic Latitude
- 1.64262 deg
- Galactic Longitude
- 105.28992 deg
- Total Proper Motion
- 333.3662868±0.0609331 mas/yr
- Proper Motion (RA)
- 122.3690000±0.0695299 mas/yr
- Proper Motion (Dec)
- -310.0950000±0.0594827 mas/yr
- Photometry
-
mV12.903±0.069
-
mTESS10.3854000±0.0073647
-
mJ8.745±0.027
-
mH8.160±0.044
-
mKs7.887±0.021
-
mW17.736±0.025
-
mW27.628±0.020
-
mW37.529±0.023
-
mW47.583±0.138
-
mGaia11.6605±0.0006
-
mB14.391±0.070
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.01±0.04 dex
-
[Mg/H] 0.19±0.07 dex
-
[Si/H] -0.12±0.05 dex
| Source | TICv8 | Nagel et al. 2019 | Gaia DR2 | Hawley et al. 1996 |
|---|---|---|---|---|
|
Teff
(K)
|
3310.0±157.0 | 3387±51 |
3901.5698+211.0680-224.6400
|
--- |
|
Sp. T
|
--- | M4.0 | --- | M4 |
|
L✶
(log10(L⦿))
|
-1.74261+0.09717-0.12538
|
-1.71+0.01-0.01
|
--- | --- |
|
Metallicity
(dex)
|
--- | 0.12±0.16 [Fe/H] | --- | --- |
|
v sin i
(km/s)
|
--- | <2 | --- | --- |
|
Age
(Gyr)
|
--- | 6.9±1.1 | --- | --- |
|
M✶
(M⦿)
|
0.4015700±0.0202802 | 0.406±0.030 | --- | --- |
|
R✶
(R⦿)
|
0.4089700±0.0121936 | 0.407±0.015 | --- | --- |
|
log g
(log10(cm/s2))
|
4.8184500±0.0039535 | 4.97±0.07 | --- | --- |
|
Prot
(days)
|
--- | 64.3±1.2 | --- | --- |
|
ρ✶
(g/cm3)
|
8.2766109±0.3222863 | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Nagel et al. 2019 |
|---|---|
|
Tp
(days)
|
2457576.72+0.19-0.17
(BJD)
|
|
ω
(deg)
|
216.83+4.74-4.56
|
|
Mp sin i
(M⨁)
|
16.57+0.94-0.95
|
|
Mp sin i
(MJup)
|
0.05213+0.00296-0.00299
|
|
e
|
0.37±0.03 |
|
P
(days)
|
13.352±0.003 |
|
K
(m/s)
|
8.79±0.27 |
|
a
(au)
|
0.082±0.002 |
Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 5 2MASS Point Source Catalog
- Data Files
- 2 SuperWASP Time Series
- 1 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
The CARMENES search for exoplanets around M dwarfs. The enigmatic planetary system GJ 4276: one eccentric planet or two planets in a 2:1 resonance?
Nagel et al. 2019 Reference Overview -
Gaia Data Release 2
Gaia DR2 Reference Overview -
All WISE Data Release
Cutri et al. 2014 Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview -
The Palomar/MSU nearby star spectroscopic survey. II. The southern M dwarfs and investigations of magnetic activity.
Hawley et al. 1996 Reference Overview -
Preliminary Version of the Third Catalog of Nearby Stars
Gliese Catalog Reference Overview
- 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
