GJ 251 Overview
GJ 251
0.38
R⦿
3423.00
K
GJ 251 b
- Other Data
- Bibliography 16
- Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| GJ 251 | GJ 251 b | Radial Velocity | 2020 | Stock et al. 2020 | Confirmed Planet |
- RA
- 06h54m48.06s
- Dec
- +33d15m59.27s
- Distance
- 5.58057±0.00198 pc
- Parallax
- 179.1640000±0.0631919 mas
- Ecliptic Latitude
- 10.37791 deg
- Ecliptic Longitude
- 101.6144 deg
- Galactic Latitude
- 15.13189 deg
- Galactic Longitude
- 182.93672 deg
- Total Proper Motion
- 828.3471043±0.1298242 mas/yr
- Proper Motion (RA)
- -726.394000±0.133004 mas/yr
- Proper Motion (Dec)
- -398.134000±0.118627 mas/yr
- Photometry
-
mV9.89±0.10
-
mTESS7.6481900±0.0078748
-
mJ6.104±0.024
-
mH5.526±0.016
-
mKs5.275±0.023
-
mW15.119±0.159
-
mW24.798±0.078
-
mW34.916±0.016
-
mW44.786±0.031
-
mIc---
-
mGaia8.855180±0.001134
-
mB11.740±0.113
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.01±0.10 dex
| Source | Stock et al. 2020 | TICv8 | Gaia DR2 | Turnbull 2015 | Wright et al. 2004 | Nidever et al. 2002 | Hawley et al. 1996 | Duncan et al. 1991 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|---|
|
S Index
|
--- | --- | --- | --- | 0.760±0.099 | --- | --- | 0.7801±0.0136 | --- |
|
Teff
(K)
|
3451±51 | 3398.0±157.0 |
3683.39+247.28-199.39
|
3423 | --- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
-1.77+0.01-0.01
|
-1.78926+0.09561-0.12278
|
--- |
-1.699 +0.778-0.602
|
--- | --- | --- | --- | --- |
|
M✶
(M⦿)
|
0.360±0.015 | 0.354705±0.020304 | --- | 0.35 | --- | --- | --- | --- | --- |
|
R✶
(R⦿)
|
0.364±0.011 | 0.3677700±0.0110554 | --- | 0.38 | --- | --- | --- | --- | --- |
|
Sp. T
|
M3.0 V | --- | --- | M3.0V | --- | --- | M3 | --- | K0 |
|
Metallicity
(dex)
|
-0.030±0.160 [Fe/H] | --- | --- | --- | --- | --- | --- | --- | --- |
|
γ
(km/s)
|
22.654±0.025 | --- | --- | --- | --- | 22.9 | --- | --- | --- |
|
v sin i
(km/s)
|
<2 | --- | --- | --- | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.96±0.07 | 4.8567800±0.0012311 | --- | --- | --- | --- | --- | --- | --- |
|
Prot
(days)
|
122.1+1.9-2.2
|
--- | --- | --- | --- | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- | 10.0531894±0.3307608 | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Stock et al. 2020 |
|---|---|
|
Teq
(K)
|
351.0+1.4-1.3
|
|
S
(S⨁)
|
2.53±0.04 |
|
ω
(deg)
|
78.80+47.60-44.70
|
|
Mp sin i
(M⨁)
|
4.00±0.40 |
|
Mp sin i
(MJup)
|
0.0126±0.0013 |
|
e
|
0.10+0.09-0.07
|
|
P
(days)
|
14.238±0.002 |
|
K
(m/s)
|
2.11+0.21-0.20
|
|
a
(au)
|
0.0818+0.0011-0.0012
|
Literature Stellar Spectra
(2 Files)
| File Type | Spectrum Type | Wavelength Category | Reference |
|---|---|---|---|
| Spectra | echelle grating | Optical | California Planet Search |
| Spectra | echelle grating | Optical | California Planet Search |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 89 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 2 SuperWASP Time Series
- 1 Associated Literature Data
-
The CARMENES search for exoplanets around M dwarfs. Three temperate-to-warm super-Earths
Stock et al. 2020 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
CPS
California Planet Search -
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
Radial Velocities of 889 late-type stars
Nidever et al. 2002 | Reference Overview -
Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalog
Bakos et al. 2002 | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | 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 -
Photometry of Stars with Large Proper Motion
Weis 1996 | Reference Overview -
CA II H and K measurements made at Mount Wilson Observatory, 1966-1983
Duncan et al. 1991 | Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 | 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
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