GJ 433 Overview

GJ 433 0.47 R_⦿ 3600.00 K

GJ 433 b

GJ 433 d

GJ 433 c

Overview Notes 4 Parameters Ancillary 2 Nearby Data Bibliography 19 Legend Expand All

GJ 433 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
GJ 433
GJ 433 b	7.37 d	> 6.04 M_⨁	Radial Velocity	2013	Delfosse et al. 2013	Confirmed Planet
GJ 433 d	36.06 d	> 5.22 M_⨁	Radial Velocity	2020	Feng et al. 2020	Confirmed Planet
GJ 433 c	5094.11 d	> 32.42 M_⨁	Radial Velocity	2014	Tuomi et al. 2014	Confirmed Planet

Exoplanet Archive Notes (4)

GJ 433 c

Minimum earth mass lower limit of 45 M_⊕ in ref. (Tuomi et al. 2014)
Orbit semi-major axis lower limit of 3.6 AU in ref. (Tuomi et al. 2014)
Orbital period lower limit of 1900 days in ref. (Tuomi et al. 2014)
Radial velocity amplitude lower limit of 2.90 m/s in ref. (Tuomi et al. 2014)

GJ 433 Stellar Parameters (10 Solutions)

RA: 11h35m26.86s

Dec: -32d32m37.07s

Distance: 9.06456±0.00367 pc

Parallax: 110.2910000±0.0443567 mas

Ecliptic Latitude: -31.96531 deg

Ecliptic Longitude: 188.89828 deg

Galactic Latitude: 27.65117 deg

Galactic Longitude: 284.88498 deg

Total Proper Motion: 853.6175037±0.0342211 mas/yr

Proper Motion (RA): -70.7678000±0.0531268 mas/yr

Proper Motion (Dec): -850.6790000±0.0340537 mas/yr

Photometry: m_V
9.81±0.10; m_TESS
7.8074200±0.0072494; m_J
6.471±0.018; m_H
5.856±0.036; m_Ks
5.623±0.021; m_W1
5.447±0.206; m_W2
5.213±0.054; m_W3
5.340±0.015; m_W4
5.204±0.035; m_Ic
7.650±0.021; m_Gaia
8.891380±0.000374; m_B
11.200±0.069

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; Stellar Hosts

Source	Feng et al. 2020	TICv8	Gaia DR2	Stassun et al. 2017	Turnbull 2015	Tuomi et al. 2014	Delfosse et al. 2013	Wright et al. 2004	Nidever et al. 2002	Hawley et al. 1996
S Index	---	---	---	---	---	---	---	0.830±0.108	---	---
T_eff (K)	---	3605.0±157.0	3780.8027+199.9250-235.3030	3461±150	3618	3472	3600	---	---	---
L_✶ (log₁₀(L_⦿))	---	-1.47464+0.09161-0.11624	---	---	-1.523 +0.637-0.368	-1.7	-1.469	---	---	---
Metallicity (dex)	---	---	---	-0.17 [Fe/H]	---	---	-0.22 [Fe/H]	---	---	---
M_✶ (M_⦿)	0.48	0.4669900±0.0202881	---	0.59±0.22	0.42	0.48	0.48	---	---	---
Sp. T	---	---	---	---	M2V	M1.5 V	M1.5	---	---	M1.5
R_✶ (R_⦿)	---	0.4693760±0.0139551	---	0.50±0.04	0.47	---	---	---	---	---
log g (log₁₀(cm/s²))	---	4.7643300±0.0069522	---	4.81±0.14	---	---	---	---	---	---
γ (km/s)	---	---	17.525979276834573±0.210932475530166	---	---	---	---	---	18.0	---
ρ_✶ (g/cm³)	---	6.3666487±0.2914745	---	---	---	---	---	---	---	---

GJ 433 b Planetary Parameters (4 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Feng et al. 2020	Stassun et al. 2017	Tuomi et al. 2014	Delfosse et al. 2013
ω (deg)	154±106	---	310	-156±54
M_p sin i (M_⨁)	6.043±0.597	6±3	5.3+2.0-1.9	5.79
M_p sin i (M_Jup)	0.01901±0.00188	0.02±0.01	0.017+0.006-0.006	0.018
e	0.04±0.03	0.080±0.080	0.050+0.160-0.050	0.08±0.08
P (days)	7.3705±0.0005	7.37090±0.00080	7.3697+0.0034-0.0036	7.3709±0.0008
K (m/s)	2.86±0.21	3.1±0.2	2.60+0.99-0.56	3.11±0.23
a (au)	0.062±0.002	0.060±0.000	0.060+0.004-0.008	0.058
T_p (days)	---	---	---	2454287±1

GJ 433 d Planetary Parameters (1 Solution)

Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Feng et al. 2020
ω (deg)	159±82
M_p sin i (M_⨁)	5.223±0.921
M_p sin i (M_Jup)	0.01643±0.00290
e	0.070±0.050
P (days)	36.059±0.016
K (m/s)	1.46±0.24
a (au)	0.178±0.006

GJ 433 c Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Feng et al. 2020	Tuomi et al. 2014
ω (deg)	242±55	340
M_p sin i (M_⨁)	32.422±6.329	45
M_p sin i (M_Jup)	0.10201±0.01991	0.14
e	0.12±0.07	0.080+0.160-0.080
P (days)	5094.105±608.617	3400
K (m/s)	1.75±0.31	2.90
a (au)	4.819±0.417	3.6

Ancillary Information (2 Unique Files)

+ GJ 433 (2 File Types, 2 Files)

Literature Time Series (2 File Types, 2 Files)

File Type	Data Points	Filter	Reference
Photometric Light Curve	94	Hp (Hipparcos)	Hipparcos and Tycho Catalogs
Radial Velocity Curve	166	Optical Spectra	Zechmeister et al. 2009

Nearby Data (within 30 arcseconds) Browse Nearby Data

Known Objects: 3 Confirmed Planets; 1 2MASS Point Source Catalog

Data Files: 4 KELT Time Series; 1 SuperWASP Time Series; 3 Associated Literature Data

Bibliography (19 References)

Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation of Three Planets around Nine Nearby M Dwarfs
Feng 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
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 Reference Overview
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 Reference Overview
Bayesian search for low-mass planets around nearby M dwarfs - estimates for occurrence rate based on global detectability statistics
Tuomi et al. 2014 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
The HARPS search for southern extra-solar planets XXXV. Super-Earths around the M-dwarf neighbors Gl433 and Gl667C
Delfosse et al. 2013 Reference Overview
The M dwarf planet search programme at the ESO VLT + UVES. A search for terrestrial planets in the habitable zone of M dwarfs
Zechmeister et al. 2009 Reference Overview
Validation of the new Hipparcos reduction
van Leeuwen et al. 2007 Reference Overview
Further observations of Hipparcos red stars and standards for UBV(RI)_C photometry
Kilkenny et al. 2007 Reference Overview
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
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 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

Legend

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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GJ 433

Catalog Parameters

11h35m26.86s

Dec

dec

-32d32m37.07s

elat

-31.96531

elon

188.89828

glat

27.65117

glon

284.88498

m_V

sy_vmag

9.81±0.10

m_TESS

sy_tmag

7.8074200±0.0072494

m_J

sy_jmag

6.471±0.018

m_H

sy_hmag

5.856±0.036

m_Ks

sy_kmag

5.623±0.021

sy_kepmag

no_data

m_W1

sy_w1mag

5.447±0.206

m_W2

sy_w2mag

5.213±0.054

m_W3

sy_w3mag

5.340±0.015

m_W4

sy_w4mag

5.204±0.035

m_Ic

sy_icmag

7.650±0.021

m_Gaia

sy_gaiamag

8.891380±0.000374

m_B

sy_bmag

11.200±0.069

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

853.6175037±0.0342211

μ_δ

sy_pmdec

-850.6790000±0.0340537

μ_α

sy_pmra

-70.7678000±0.0531268

sy_plx

110.2910000±0.0443567

Distance

sy_dist

9.06456±0.00367

Set Parameters

R_✶

st_rad

0.47

T_eff

st_teff

3600